diff --git a/src/extract/otra.cpp b/src/extract/otra.cpp
index af21d33..b407783 100644
--- a/src/extract/otra.cpp
+++ b/src/extract/otra.cpp
@@ -52,7 +52,7 @@ bool extract_otra(const Reader& r, const Finding& f, SafeRoot& root, const std::
         return true;
     }
 
-    auto tables = otra::parse_otra_tables(r, f.offset, h);
+    auto tables = otra::parse_otra_tables(r, h);
 
     // Flat subtype: no populated tables — the body is a raw flash image. Write it
     // whole so downstream carving / recursion can work on it.
diff --git a/src/otra_format.hpp b/src/otra_format.hpp
index ccad054..f651008 100644
--- a/src/otra_format.hpp
+++ b/src/otra_format.hpp
@@ -113,7 +113,7 @@ inline std::optional<Header> parse_otra(const Reader& r, size_t base) {
 
 // Walk the partition + segment tables and classify the subtype. Never throws;
 // on a flat/opaque image it returns Tables{segmented=false} with empty vectors.
-inline Tables parse_otra_tables(const Reader& r, size_t base, const Header& h) {
+inline Tables parse_otra_tables(const Reader& r, const Header& h) {
     Tables t;
     if (h.npart == 0 || h.npart > kMaxParts || h.nseg == 0 || h.nseg > kMaxSegs) return t;
     if (h.pay_off > r.size()) return t;
diff --git a/src/validators/otra.cpp b/src/validators/otra.cpp
index 4591fb8..dc00921 100644
--- a/src/validators/otra.cpp
+++ b/src/validators/otra.cpp
@@ -42,7 +42,7 @@ bool validate_otra(ValidatorCtx& ctx) {
     ctx.out.size = r.size() - base;
     if (!h.version.empty()) ctx.out.version = h.version;
 
-    auto tables = otra::parse_otra_tables(r, base, h);
+    auto tables = otra::parse_otra_tables(r, h);
     ctx.out.compression = tables.segmented ? "lzo1x" : "none";
 
     if (tables.segmented) {