diff --git a/pyproject.toml b/pyproject.toml
index 9d4a9cd..4d67606 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "gradient-labs"
-version = "0.11.7"
+version = "0.11.8"
 description = "Python bindings for the Gradient Labs API"
 readme = "README.md"
 requires-python = ">=3.9,<4.0"
diff --git a/src/gradient_labs/_note_create.py b/src/gradient_labs/_note_create.py
index 66b961e..b92a185 100644
--- a/src/gradient_labs/_note_create.py
+++ b/src/gradient_labs/_note_create.py
@@ -18,9 +18,6 @@ class CreateNoteParams:
     # Title is the note's title.
     title: str
 
-    # AuthorID optionally identifies the (current) author of the note.
-    author_id: Optional[str] = None
-
     # Body is the main contents of a note. This is mutually exclusive with webpage_url.
     body: Optional[str] = None
 
@@ -41,8 +38,6 @@ def create_note(*, client: HttpClient, params: CreateNoteParams) -> Note:
         "id": params.id,
         "title": params.title,
     }
-    if params.author_id is not None:
-        body["author_id"] = params.author_id
     if params.body is not None:
         body["body"] = params.body
     if params.webpage_url is not None:
diff --git a/src/gradient_labs/_note_update.py b/src/gradient_labs/_note_update.py
index 56f750d..59a4b48 100644
--- a/src/gradient_labs/_note_update.py
+++ b/src/gradient_labs/_note_update.py
@@ -15,9 +15,6 @@ class UpdateNoteParams:
     # Title is the note's title.
     title: str
 
-    # AuthorID optionally identifies the (current) author of the note.
-    author_id: Optional[str] = None
-
     # Body is the main contents of a note. This is mutually exclusive with webpage_url.
     body: Optional[str] = None
 
@@ -37,8 +34,6 @@ def update_note(*, client: HttpClient, note_id: str, params: UpdateNoteParams) -
     body = {
         "title": params.title,
     }
-    if params.author_id is not None:
-        body["author_id"] = params.author_id
     if params.body is not None:
         body["body"] = params.body
     if params.webpage_url is not None: