diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index c378fe3..6b25408 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -35,7 +35,6 @@
         "next-themes": "^0.4.6",
         "react": "^18.3.1",
         "react-dom": "^18.3.1",
-        "react-google-recaptcha": "^3.1.0",
         "react-router-dom": "^6.28.0",
         "tailwind-merge": "^3.2.0"
       },
@@ -49,7 +48,6 @@
         "@types/node": "^25.0.3",
         "@types/react": "^18.3.18",
         "@types/react-dom": "^18.3.5",
-        "@types/react-google-recaptcha": "^2.1.9",
         "@vitejs/plugin-react": "^4.3.4",
         "autoprefixer": "^10.4.20",
         "eslint": "^9.17.0",
@@ -3462,15 +3460,6 @@
         "@types/react": "^18.0.0"
       }
     },
-    "node_modules/@types/react-google-recaptcha": {
-      "version": "2.1.9",
-      "resolved": "https://registry.npmjs.org/@types/react-google-recaptcha/-/react-google-recaptcha-2.1.9.tgz",
-      "integrity": "sha512-nT31LrBDuoSZJN4QuwtQSF3O89FVHC4jLhM+NtKEmVF5R1e8OY0Jo4//x2Yapn2aNHguwgX5doAq8Zo+Ehd0ug==",
-      "dev": true,
-      "dependencies": {
-        "@types/react": "*"
-      }
-    },
     "node_modules/@types/whatwg-mimetype": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/@types/whatwg-mimetype/-/whatwg-mimetype-3.0.2.tgz",
@@ -4732,19 +4721,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/hoist-non-react-statics": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz",
-      "integrity": "sha512-/gGivxi8JPKWNm/W0jSmzcMPpfpPLc3dY/6GxhX2hQ9iGj3aDfklV4ET7NjKpSinLpJ5vafa9iiGIEZg10SfBw==",
-      "dependencies": {
-        "react-is": "^16.7.0"
-      }
-    },
-    "node_modules/hoist-non-react-statics/node_modules/react-is": {
-      "version": "16.13.1",
-      "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
-      "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ=="
-    },
     "node_modules/ignore": {
       "version": "5.3.2",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.3.2.tgz",
@@ -5336,14 +5312,6 @@
       "integrity": "sha512-nmh3lCkYZ3grZvqcCH+fjmQ7X+H0OeZgP40OierEaAptX4XofMh5kwNbWh7lBduUzCcV/8kZ+NDLCwm2iorIlA==",
       "dev": true
     },
-    "node_modules/object-assign": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
-      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/obug": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/obug/-/obug-2.1.1.tgz",
@@ -5513,21 +5481,6 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
-    "node_modules/prop-types": {
-      "version": "15.8.1",
-      "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.8.1.tgz",
-      "integrity": "sha512-oj87CgZICdulUohogVAR7AjlC0327U4el4L6eAvOqCeudMDVU0NThNaV+b9Df4dXgSP1gXMTnPdhfe/2qDH5cg==",
-      "dependencies": {
-        "loose-envify": "^1.4.0",
-        "object-assign": "^4.1.1",
-        "react-is": "^16.13.1"
-      }
-    },
-    "node_modules/prop-types/node_modules/react-is": {
-      "version": "16.13.1",
-      "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
-      "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ=="
-    },
     "node_modules/punycode": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
@@ -5549,18 +5502,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/react-async-script": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/react-async-script/-/react-async-script-1.2.0.tgz",
-      "integrity": "sha512-bCpkbm9JiAuMGhkqoAiC0lLkb40DJ0HOEJIku+9JDjxX3Rcs+ztEOG13wbrOskt3n2DTrjshhaQ/iay+SnGg5Q==",
-      "dependencies": {
-        "hoist-non-react-statics": "^3.3.0",
-        "prop-types": "^15.5.0"
-      },
-      "peerDependencies": {
-        "react": ">=16.4.1"
-      }
-    },
     "node_modules/react-dom": {
       "version": "18.3.1",
       "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-18.3.1.tgz",
@@ -5574,18 +5515,6 @@
         "react": "^18.3.1"
       }
     },
-    "node_modules/react-google-recaptcha": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/react-google-recaptcha/-/react-google-recaptcha-3.1.0.tgz",
-      "integrity": "sha512-cYW2/DWas8nEKZGD7SCu9BSuVz8iOcOLHChHyi7upUuVhkpkhYG/6N3KDiTQ3XAiZ2UAZkfvYKMfAHOzBOcGEg==",
-      "dependencies": {
-        "prop-types": "^15.5.0",
-        "react-async-script": "^1.2.0"
-      },
-      "peerDependencies": {
-        "react": ">=16.4.1"
-      }
-    },
     "node_modules/react-is": {
       "version": "17.0.2",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-17.0.2.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index 624051e..5473c98 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -39,7 +39,6 @@
     "next-themes": "^0.4.6",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
-    "react-google-recaptcha": "^3.1.0",
     "react-router-dom": "^6.28.0",
     "tailwind-merge": "^3.2.0"
   },
@@ -53,7 +52,6 @@
     "@types/node": "^25.0.3",
     "@types/react": "^18.3.18",
     "@types/react-dom": "^18.3.5",
-    "@types/react-google-recaptcha": "^2.1.9",
     "@vitejs/plugin-react": "^4.3.4",
     "autoprefixer": "^10.4.20",
     "eslint": "^9.17.0",
diff --git a/frontend/src/api/client.ts b/frontend/src/api/client.ts
index 4ae4518..7fbd63c 100644
--- a/frontend/src/api/client.ts
+++ b/frontend/src/api/client.ts
@@ -96,10 +96,6 @@ export async function translateFile(request: TranslateRequest): Promise<Translat
     formData.append('sheets', request.sheets.join(','));
   }
 
-  if (request.recaptchaToken) {
-    formData.append('recaptcha_token', request.recaptchaToken);
-  }
-
   try {
     const response = await fetch(`${API_URL}/translate`, {
       method: 'POST',
diff --git a/frontend/src/components/features/translate/TranslateForm.tsx b/frontend/src/components/features/translate/TranslateForm.tsx
index 4eebad5..17382fb 100644
--- a/frontend/src/components/features/translate/TranslateForm.tsx
+++ b/frontend/src/components/features/translate/TranslateForm.tsx
@@ -1,7 +1,7 @@
 import { useState, useCallback, useEffect, useRef } from 'react';
 import { motion, AnimatePresence } from 'framer-motion';
 import { Upload, FileSpreadsheet, Sparkles, ArrowRight, Shield, Settings2, MessageSquare, ChevronDown, Grid3X3 } from 'lucide-react';
-import { Button, Recaptcha, FloatingFeedbackButton, type RecaptchaRef } from '../../ui';
+import { Button, FloatingFeedbackButton } from '../../ui';
 import { SheetSelector } from './SheetSelector';
 import { ResultDisplay } from './ResultDisplay';
 import { ProgressIndicator } from './ProgressIndicator';
@@ -24,8 +24,6 @@ export function TranslateForm() {
   const [estimate, setEstimate] = useState<EstimateResult | null>(null);
   const [loadingEstimate, setLoadingEstimate] = useState(false);
   const [isDragging, setIsDragging] = useState(false);
-  const [recaptchaToken, setRecaptchaToken] = useState<string | null>(null);
-  const recaptchaRef = useRef<RecaptchaRef>(null);
   const containerRef = useRef<HTMLDivElement>(null);
 
   const { status, error, filename, progress, translate, downloadResult, reset } = useTranslate();
@@ -88,11 +86,6 @@ export function TranslateForm() {
     if (status !== 'idle') {
       reset();
     }
-    // Reset reCAPTCHA when file changes
-    if (fileInfo !== selectedFile) {
-      recaptchaRef.current?.reset();
-      setRecaptchaToken(null);
-    }
   }, [status, reset, selectedFile]);
 
   // Handle drag and drop
@@ -136,30 +129,10 @@ export function TranslateForm() {
   }, [handleFileSelect]);
 
   const isTranslating = status === 'uploading' || status === 'translating';
-  const recaptchaSiteKey = import.meta.env.VITE_RECAPTCHA_SITE_KEY || '';
-  // reCAPTCHA is required only if site key is configured
-  const recaptchaRequired = !!recaptchaSiteKey;
 
   const handleTranslate = useCallback(async () => {
     if (!selectedFile || !targetLanguage) return;
 
-    // If reCAPTCHA is configured, execute it first (invisible mode)
-    if (recaptchaRequired && !recaptchaToken) {
-      try {
-        if (recaptchaRef.current) {
-          recaptchaRef.current.execute();
-          return; // Wait for onChange callback to proceed
-        } else {
-          // reCAPTCHA ref not available, proceed without it (fallback)
-          console.warn('reCAPTCHA ref not available, proceeding without verification');
-        }
-      } catch (error) {
-        console.error('reCAPTCHA execution error:', error);
-        // Continue without reCAPTCHA on error
-      }
-    }
-
-    // Proceed with translation (token already obtained from reCAPTCHA onChange, or no reCAPTCHA)
     await translate({
       file: selectedFile.file,
       targetLanguage,
@@ -168,35 +141,13 @@ export function TranslateForm() {
       sheets: selectedSheets.length > 0 && selectedSheets.length < sheets.length
         ? selectedSheets
         : undefined,
-      recaptchaToken: recaptchaToken || undefined,
     });
-  }, [selectedFile, targetLanguage, sourceLanguage, context, selectedSheets, sheets.length, recaptchaToken, recaptchaRequired, translate]);
-
-  // Handle reCAPTCHA token received (for invisible mode)
-  const handleRecaptchaChange = useCallback((token: string | null) => {
-    setRecaptchaToken(token);
-    // If we have a token and form is ready, proceed with translation
-    if (token && selectedFile && targetLanguage) {
-      translate({
-        file: selectedFile.file,
-        targetLanguage,
-        sourceLanguage: sourceLanguage || undefined,
-        context: context || undefined,
-        sheets: selectedSheets.length > 0 && selectedSheets.length < sheets.length
-          ? selectedSheets
-          : undefined,
-        recaptchaToken: token,
-      });
-    }
   }, [selectedFile, targetLanguage, sourceLanguage, context, selectedSheets, sheets.length, translate]);
 
   const handleRetry = useCallback(() => {
     reset();
-    recaptchaRef.current?.reset();
-    setRecaptchaToken(null);
   }, [reset]);
 
-  // For invisible reCAPTCHA, button is enabled when form is ready (reCAPTCHA executes on click)
   const canTranslate = selectedFile && targetLanguage && !isTranslating;
 
   return (
@@ -369,17 +320,6 @@ export function TranslateForm() {
           </div>
         )}
 
-        {/* Invisible reCAPTCHA - hidden but always rendered when site key is available */}
-        {recaptchaSiteKey && (
-          <div style={{ display: 'none' }}>
-            <Recaptcha
-              ref={recaptchaRef}
-              siteKey={recaptchaSiteKey}
-              onChange={handleRecaptchaChange}
-            />
-          </div>
-        )}
-
         {/* Translate Button */}
         <Button
           disabled={!canTranslate || isTranslating}
diff --git a/frontend/src/components/ui/Recaptcha.css b/frontend/src/components/ui/Recaptcha.css
deleted file mode 100644
index 0ec9d7e..0000000
--- a/frontend/src/components/ui/Recaptcha.css
+++ /dev/null
@@ -1,48 +0,0 @@
-.recaptcha-wrapper {
-  display: flex;
-  flex-direction: column;
-  padding: 1rem;
-  background: rgba(0, 0, 0, 0.02);
-  border-radius: 0.75rem;
-  border: 1px solid var(--color-neutral-200);
-  overflow: hidden;
-}
-
-:root.dark .recaptcha-wrapper {
-  background: rgba(255, 255, 255, 0.02);
-  border-color: var(--color-neutral-700);
-}
-
-/* Invisible reCAPTCHA wrapper - completely hidden */
-.recaptcha-invisible-wrapper {
-  position: absolute;
-  width: 0;
-  height: 0;
-  overflow: hidden;
-  padding: 0;
-  border: none;
-  background: transparent;
-}
-
-.recaptcha-container {
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  min-height: 78px;
-}
-
-.recaptcha-container > div {
-  display: flex;
-  justify-content: center;
-}
-
-/* Hide invisible reCAPTCHA container */
-.recaptcha-invisible {
-  display: none;
-}
-
-/* Override Google's reCAPTCHA styling to match theme */
-.recaptcha-wrapper iframe {
-  border-radius: 0.5rem;
-}
-
diff --git a/frontend/src/components/ui/Recaptcha.tsx b/frontend/src/components/ui/Recaptcha.tsx
deleted file mode 100644
index a1882f2..0000000
--- a/frontend/src/components/ui/Recaptcha.tsx
+++ /dev/null
@@ -1,57 +0,0 @@
-import { useRef, useImperativeHandle, forwardRef } from 'react';
-import ReCAPTCHA from 'react-google-recaptcha';
-import type { ReCAPTCHA as ReCAPTCHAType } from 'react-google-recaptcha';
-import './Recaptcha.css';
-
-export interface RecaptchaRef {
-  reset: () => void;
-  getValue: () => string | null;
-  execute: () => void;
-}
-
-interface RecaptchaProps {
-  siteKey: string;
-  onChange: (token: string | null) => void;
-}
-
-export const Recaptcha = forwardRef<RecaptchaRef, RecaptchaProps>(
-  ({ siteKey, onChange }, ref) => {
-    const recaptchaRef = useRef<ReCAPTCHAType>(null);
-
-    useImperativeHandle(ref, () => ({
-      reset: () => {
-        recaptchaRef.current?.reset();
-        onChange(null);
-      },
-      getValue: () => {
-        return recaptchaRef.current?.getValue() || null;
-      },
-      execute: () => {
-        recaptchaRef.current?.execute();
-      },
-    }));
-
-    const handleChange = (token: string | null) => {
-      onChange(token);
-    };
-
-    const handleExpired = () => {
-      onChange(null);
-    };
-
-    return (
-      <div className="recaptcha-container recaptcha-invisible">
-        <ReCAPTCHA
-          ref={recaptchaRef}
-          sitekey={siteKey}
-          onChange={handleChange}
-          onExpired={handleExpired}
-          size="invisible"
-        />
-      </div>
-    );
-  }
-);
-
-Recaptcha.displayName = 'Recaptcha';
-
diff --git a/frontend/src/components/ui/index.ts b/frontend/src/components/ui/index.ts
index 2909b7c..bc95554 100644
--- a/frontend/src/components/ui/index.ts
+++ b/frontend/src/components/ui/index.ts
@@ -3,5 +3,3 @@ export { Card, CardHeader, CardContent, CardFooter } from './Card';
 export { Dropdown } from './Dropdown';
 export { FileDropzone } from './FileDropzone';
 export { FloatingFeedbackButton } from './FloatingFeedbackButton';
-export { Recaptcha } from './Recaptcha';
-export type { RecaptchaRef } from './Recaptcha';
diff --git a/frontend/src/hooks/useTranslate.ts b/frontend/src/hooks/useTranslate.ts
index c0a2761..10873c9 100644
--- a/frontend/src/hooks/useTranslate.ts
+++ b/frontend/src/hooks/useTranslate.ts
@@ -148,10 +148,6 @@ export function useTranslate(): UseTranslateReturn {
       formData.append('sheets', request.sheets.join(','));
     }
 
-    if (request.recaptchaToken) {
-      formData.append('recaptcha_token', request.recaptchaToken);
-    }
-
     // Create abort controller for timeout
     abortControllerRef.current = new AbortController();
 
diff --git a/frontend/src/types/index.ts b/frontend/src/types/index.ts
index f3f8f0b..3489542 100644
--- a/frontend/src/types/index.ts
+++ b/frontend/src/types/index.ts
@@ -10,7 +10,6 @@ export interface TranslateRequest {
   sourceLanguage?: string;
   context?: string;
   sheets?: string[];
-  recaptchaToken?: string;
 }
 
 export interface TranslateResponse {
diff --git a/src/rosetta/api/app.py b/src/rosetta/api/app.py
index fdeef7c..e711f88 100644
--- a/src/rosetta/api/app.py
+++ b/src/rosetta/api/app.py
@@ -8,7 +8,6 @@
 from pathlib import Path
 from typing import Optional
 
-import requests
 from dotenv import load_dotenv
 from fastapi import FastAPI, File, Form, HTTPException, Request, UploadFile
 from fastapi.middleware.cors import CORSMiddleware
@@ -26,10 +25,6 @@
 # Load environment variables from .env file
 load_dotenv()
 
-# reCAPTCHA configuration
-RECAPTCHA_SECRET_KEY = os.getenv("RECAPTCHA_SECRET_KEY")
-RECAPTCHA_VERIFY_URL = "https://www.google.com/recaptcha/api/siteverify"
-
 # CORS configuration - allow frontend origins
 FRONTEND_URL = os.getenv("FRONTEND_URL", "")
 CORS_ALLOW_ALL = os.getenv("CORS_ALLOW_ALL", "false").lower() == "true"
@@ -370,41 +365,6 @@ async def preview_cells(
         input_path.unlink(missing_ok=True)
 
 
-def verify_recaptcha(token: Optional[str]) -> bool:
-    """Verify reCAPTCHA token with Google's API."""
-    if not RECAPTCHA_SECRET_KEY:
-        # If no secret key is configured, skip verification (for development)
-        return True
-    
-    if not token:
-        return False
-    
-    try:
-        response = requests.post(
-            RECAPTCHA_VERIFY_URL,
-            data={
-                "secret": RECAPTCHA_SECRET_KEY,
-                "response": token,
-            },
-            timeout=5,
-        )
-        response.raise_for_status()
-        result = response.json()
-        success = result.get("success", False)
-        
-        # Log error details if verification failed
-        if not success:
-            error_codes = result.get("error-codes", [])
-            print(f"reCAPTCHA verification failed. Error codes: {error_codes}")
-            print(f"Response: {result}")
-        
-        return success
-    except Exception as e:
-        # If verification fails due to network/API issues, reject the request
-        print(f"reCAPTCHA verification error: {e}")
-        return False
-
-
 @app.post("/translate")
 async def translate(
     file: UploadFile = File(..., description="Excel file to translate"),
@@ -412,20 +372,12 @@ async def translate(
     source_lang: Optional[str] = Form(None, description="Source language (auto-detect if omitted)"),
     context: Optional[str] = Form(None, description="Additional context for accurate translations"),
     sheets: Optional[str] = Form(None, description="Comma-separated sheet names (all if omitted)"),
-    recaptcha_token: Optional[str] = Form(None, description="reCAPTCHA token for verification"),
 ) -> FileResponse:
     """Translate an Excel file.
 
     Upload an Excel file and receive the translated version.
     Preserves all formatting, formulas, images, and data validations.
     """
-    # Verify reCAPTCHA token
-    if not verify_recaptcha(recaptcha_token):
-        raise HTTPException(
-            status_code=400,
-            detail="reCAPTCHA verification failed. Please complete the reCAPTCHA challenge.",
-        )
-    
     # Validate file type
     if not file.filename:
         raise HTTPException(status_code=400, detail="No filename provided")
@@ -509,19 +461,11 @@ async def translate_stream(
     source_lang: Optional[str] = Form(None, description="Source language (auto-detect if omitted)"),
     context: Optional[str] = Form(None, description="Additional context for accurate translations"),
     sheets: Optional[str] = Form(None, description="Comma-separated sheet names (all if omitted)"),
-    recaptcha_token: Optional[str] = Form(None, description="reCAPTCHA token for verification"),
 ):
     """Translate an Excel file with real-time progress streaming via SSE.
 
     Returns Server-Sent Events with progress updates and the final translated file.
     """
-    # Verify reCAPTCHA token
-    if not verify_recaptcha(recaptcha_token):
-        raise HTTPException(
-            status_code=400,
-            detail="reCAPTCHA verification failed. Please complete the reCAPTCHA challenge.",
-        )
-
     # Validate file type
     if not file.filename:
         raise HTTPException(status_code=400, detail="No filename provided")
diff --git a/test_comprehensive_security.py b/test_comprehensive_security.py
index 2d63c37..e7f1648 100644
--- a/test_comprehensive_security.py
+++ b/test_comprehensive_security.py
@@ -7,7 +7,6 @@
 3. Error message sanitization
 4. Temp file cleanup
 5. CORS configuration
-6. reCAPTCHA validation
 """
 
 import os
@@ -336,67 +335,6 @@ def test_5_cors_configuration():
         return False
 
 
-def test_6_recaptcha_validation():
-    """Test 6: reCAPTCHA - Test with/without token."""
-    print_test("reCAPTCHA Validation")
-
-    try:
-        import requests
-        from openpyxl import Workbook
-
-        print("\n[6.1] Testing reCAPTCHA validation...")
-
-        # Create test file
-        wb = Workbook()
-        ws = wb.active
-        ws['A1'] = "Test"
-
-        with tempfile.NamedTemporaryFile(suffix='.xlsx', delete=False) as f:
-            test_file = f.name
-        wb.save(test_file)
-
-        try:
-            # Test without token
-            print("\n   [6.1.1] Testing without reCAPTCHA token...")
-            files = {'file': open(test_file, 'rb')}
-            data = {'target_lang': 'french'}
-            response = requests.post('http://localhost:8000/translate',
-                                   files=files, data=data, timeout=10)
-
-            if response.status_code == 400 and "reCAPTCHA" in response.text:
-                print("   ✅ PASS: reCAPTCHA required (production mode)")
-            elif response.status_code == 200:
-                print("   ⚠️  WARNING: reCAPTCHA bypassed (development mode)")
-                print("       Ensure RECAPTCHA_SECRET_KEY is set in production!")
-            else:
-                print(f"   Status: {response.status_code}")
-
-            # Test with invalid token
-            print("\n   [6.1.2] Testing with invalid reCAPTCHA token...")
-            files = {'file': open(test_file, 'rb')}
-            data = {'target_lang': 'french', 'recaptcha_token': 'invalid_token_12345'}
-            response = requests.post('http://localhost:8000/translate',
-                                   files=files, data=data, timeout=10)
-
-            if response.status_code == 400 and "reCAPTCHA" in response.text:
-                print("   ✅ PASS: Invalid token rejected")
-            elif response.status_code == 200:
-                print("   ⚠️  WARNING: Invalid token accepted (development mode)")
-            else:
-                print(f"   Status: {response.status_code}")
-        finally:
-            os.unlink(test_file)
-
-        print("\n✅ reCAPTCHA Validation Tests Complete")
-        return True
-
-    except Exception as e:
-        print(f"❌ Error: {e}")
-        import traceback
-        traceback.print_exc()
-        return False
-
-
 def main():
     """Run all security tests."""
     print("="*60)
@@ -408,7 +346,6 @@ def main():
     print("3. Error message sanitization")
     print("4. Temp file cleanup")
     print("5. CORS configuration")
-    print("6. reCAPTCHA validation")
     print("\nPrerequisites:")
     print("- Server running at localhost:8000")
     print("- Run with: uv run uvicorn rosetta.api:app --reload")
@@ -421,7 +358,6 @@ def main():
         "Error Message Sanitization": test_3_error_message_sanitization(),
         "Temp File Cleanup": test_4_temp_file_cleanup(),
         "CORS Configuration": test_5_cors_configuration(),
-        "reCAPTCHA Validation": test_6_recaptcha_validation(),
     }
 
     # Summary
diff --git a/tests/test_api.py b/tests/test_api.py
index b3e0923..949c205 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -91,14 +91,12 @@ def test_missing_target_lang_returns_422(self, client, sample_excel_bytes):
         )
         assert response.status_code == 422
 
-    @patch("rosetta.api.app.verify_recaptcha")
-    def test_invalid_file_type_returns_400(self, mock_verify, client):
+    def test_invalid_file_type_returns_400(self, client):
         """POST /translate with non-Excel file should return 400."""
-        mock_verify.return_value = True  # Bypass reCAPTCHA for testing
         response = client.post(
             "/translate",
             files={"file": ("test.txt", b"Hello world")},
-            data={"target_lang": "french", "recaptcha_token": "test-token"},
+            data={"target_lang": "french"},
         )
         assert response.status_code == 400
         assert "Invalid file type" in response.json()["detail"]
@@ -113,30 +111,25 @@ def test_empty_filename_returns_error(self, client, sample_excel_bytes):
         # FastAPI returns 422 for validation errors
         assert response.status_code in (400, 422)
 
-    @patch("rosetta.api.app.verify_recaptcha")
-    def test_no_translatable_content_returns_400(self, mock_verify, client, empty_excel_bytes):
+    def test_no_translatable_content_returns_400(self, client, empty_excel_bytes):
         """POST /translate with no text content should return 400."""
-        mock_verify.return_value = True  # Bypass reCAPTCHA for testing
         response = client.post(
             "/translate",
             files={"file": ("empty.xlsx", empty_excel_bytes)},
-            data={"target_lang": "french", "recaptcha_token": "test-token"},
+            data={"target_lang": "french"},
         )
         assert response.status_code == 400
         assert "No translatable content" in response.json()["detail"]
 
-    @patch("rosetta.api.app.verify_recaptcha")
     @patch("rosetta.api.app.translate_file")
-    def test_successful_translation(self, mock_translate, mock_verify, client, sample_excel_bytes):
+    def test_successful_translation(self, mock_translate, client, sample_excel_bytes):
         """POST /translate with valid file should return translated file."""
-        mock_verify.return_value = True  # Bypass reCAPTCHA for testing
-        # Mock needs to create actual output file
         mock_translate.side_effect = create_mock_translate_file(sample_excel_bytes)
 
         response = client.post(
             "/translate",
             files={"file": ("test.xlsx", sample_excel_bytes)},
-            data={"target_lang": "french", "recaptcha_token": "test-token"},
+            data={"target_lang": "french"},
         )
 
         assert response.status_code == 200
@@ -144,17 +137,15 @@ def test_successful_translation(self, mock_translate, mock_verify, client, sampl
         assert response.headers["x-cells-translated"] == "2"
         assert "test_french.xlsx" in response.headers.get("content-disposition", "")
 
-    @patch("rosetta.api.app.verify_recaptcha")
     @patch("rosetta.api.app.translate_file")
-    def test_translation_with_source_lang(self, mock_translate, mock_verify, client, sample_excel_bytes):
+    def test_translation_with_source_lang(self, mock_translate, client, sample_excel_bytes):
         """POST /translate with source_lang should pass it to translate_file."""
-        mock_verify.return_value = True  # Bypass reCAPTCHA for testing
         mock_translate.side_effect = create_mock_translate_file(sample_excel_bytes)
 
         response = client.post(
             "/translate",
             files={"file": ("test.xlsx", sample_excel_bytes)},
-            data={"target_lang": "french", "source_lang": "english", "recaptcha_token": "test-token"},
+            data={"target_lang": "french", "source_lang": "english"},
         )
 
         assert response.status_code == 200
@@ -162,11 +153,9 @@ def test_translation_with_source_lang(self, mock_translate, mock_verify, client,
         call_kwargs = mock_translate.call_args.kwargs
         assert call_kwargs["source_lang"] == "english"
 
-    @patch("rosetta.api.app.verify_recaptcha")
     @patch("rosetta.api.app.translate_file")
-    def test_translation_with_context(self, mock_translate, mock_verify, client, sample_excel_bytes):
+    def test_translation_with_context(self, mock_translate, client, sample_excel_bytes):
         """POST /translate with context should pass it to translate_file."""
-        mock_verify.return_value = True  # Bypass reCAPTCHA for testing
         mock_translate.side_effect = create_mock_translate_file(sample_excel_bytes)
 
         response = client.post(
@@ -175,7 +164,6 @@ def test_translation_with_context(self, mock_translate, mock_verify, client, sam
             data={
                 "target_lang": "french",
                 "context": "Medical terminology",
-                "recaptcha_token": "test-token",
             },
         )
 
@@ -183,12 +171,10 @@ def test_translation_with_context(self, mock_translate, mock_verify, client, sam
         call_kwargs = mock_translate.call_args.kwargs
         assert call_kwargs["context"] == "Medical terminology"
 
-    @patch("rosetta.api.app.verify_recaptcha")
     @patch("rosetta.api.app.count_cells")
     @patch("rosetta.api.app.translate_file")
-    def test_translation_with_sheets(self, mock_translate, mock_count, mock_verify, client, sample_excel_bytes):
+    def test_translation_with_sheets(self, mock_translate, mock_count, client, sample_excel_bytes):
         """POST /translate with sheets param should filter sheets."""
-        mock_verify.return_value = True  # Bypass reCAPTCHA for testing
         mock_count.return_value = 2  # Pretend we found cells
         mock_translate.side_effect = create_mock_translate_file(sample_excel_bytes)
 
@@ -198,7 +184,6 @@ def test_translation_with_sheets(self, mock_translate, mock_count, mock_verify,
             data={
                 "target_lang": "french",
                 "sheets": "Sheet1, Sheet2",
-                "recaptcha_token": "test-token",
             },
         )
 
@@ -206,17 +191,15 @@ def test_translation_with_sheets(self, mock_translate, mock_count, mock_verify,
         call_kwargs = mock_translate.call_args.kwargs
         assert call_kwargs["sheets"] == {"Sheet1", "Sheet2"}
 
-    @patch("rosetta.api.app.verify_recaptcha")
     @patch("rosetta.api.app.translate_file")
-    def test_translation_error_returns_500(self, mock_translate, mock_verify, client, sample_excel_bytes):
+    def test_translation_error_returns_500(self, mock_translate, client, sample_excel_bytes):
         """Translation errors should return 500."""
-        mock_verify.return_value = True  # Bypass reCAPTCHA for testing
         mock_translate.side_effect = Exception("API error")
 
         response = client.post(
             "/translate",
             files={"file": ("test.xlsx", sample_excel_bytes)},
-            data={"target_lang": "french", "recaptcha_token": "test-token"},
+            data={"target_lang": "french"},
         )
 
         assert response.status_code == 500
@@ -226,17 +209,14 @@ def test_translation_error_returns_500(self, mock_translate, mock_verify, client
 class TestFileSizeLimits:
     """Tests for file size validation."""
 
-    @patch("rosetta.api.app.verify_recaptcha")
-    def test_large_file_returns_400(self, mock_verify, client):
+    def test_large_file_returns_400(self, client):
         """Files over 50MB should be rejected."""
-        mock_verify.return_value = True  # Bypass reCAPTCHA for testing
-        # Create a file larger than 50MB
         large_content = b"x" * (51 * 1024 * 1024)
 
         response = client.post(
             "/translate",
             files={"file": ("large.xlsx", large_content)},
-            data={"target_lang": "french", "recaptcha_token": "test-token"},
+            data={"target_lang": "french"},
         )
 
         assert response.status_code == 400