diff --git a/interfaces/sourcegen/sourcegen/_dataclasses.py b/interfaces/sourcegen/sourcegen/_dataclasses.py
index dcd4d0cd7e..102e83dcca 100644
--- a/interfaces/sourcegen/sourcegen/_dataclasses.py
+++ b/interfaces/sourcegen/sourcegen/_dataclasses.py
@@ -109,14 +109,13 @@ def n_optional(self):
 class Func:
     """Represents a function parsed from a C header file."""
 
-    annotations: str  # documentation block
     ret_type: str  # may include leading specifier
     name: str
     params: List[Param]
     spec: str  # trailing specifier
 
     @classmethod
-    def from_str(cls, func: str, annotations: str="") -> 'Func':
+    def from_str(cls, func: str) -> 'Func':
         """Generate Func from string function signature"""
         func = func.strip()
         name = re.findall(re.compile(r'.*?(?=\(|$)'), func)[0]
@@ -124,7 +123,7 @@ def from_str(cls, func: str, annotations: str="") -> 'Func':
         r_type = ""
         if " " in name:
             r_type, name = name.rsplit(" ", 1)
-        return cls(annotations, r_type, name, arglist.params, arglist.spec)
+        return cls(r_type, name, arglist.params, arglist.spec)
 
     def declaration(self) -> str:
         """Return a string representation of the function (without semi-colon)."""
diff --git a/interfaces/sourcegen/sourcegen/clib/_CLibSourceGenerator.py b/interfaces/sourcegen/sourcegen/clib/_CLibSourceGenerator.py
index ef5e174a82..30ca00bdc6 100644
--- a/interfaces/sourcegen/sourcegen/clib/_CLibSourceGenerator.py
+++ b/interfaces/sourcegen/sourcegen/clib/_CLibSourceGenerator.py
@@ -195,7 +195,7 @@ def merge_params(implements, details: TagDetails) -> List[Param]:
                             recipe.name, recipe.what)
             sys.exit(1)
 
-        c_func = Func("", ret_param.p_type, recipe.name, args, "")
+        c_func = Func(ret_param.p_type, recipe.name, args, "")
         declaration = c_func.declaration()
         annotations = self._build_annotation(details, ret_param, args, recipe.relates)
 
diff --git a/interfaces/sourcegen/sourcegen/csharp/_CSharpSourceGenerator.py b/interfaces/sourcegen/sourcegen/csharp/_CSharpSourceGenerator.py
index 4fdc1c01be..be79588bbf 100644
--- a/interfaces/sourcegen/sourcegen/csharp/_CSharpSourceGenerator.py
+++ b/interfaces/sourcegen/sourcegen/csharp/_CSharpSourceGenerator.py
@@ -26,18 +26,11 @@ def _join_params(params: List[Param]) -> str:
         return ", ".join(p.p_type + " " + p.name for p in params)
 
     def _get_interop_func_text(self, func: CsFunc) -> str:
-        comments, ret_type, name, params, _, _, _ = func
+        ret_type, name, params, _, _, _ = func
         requires_unsafe_keyword = any(p.p_type.endswith("*") for p in params)
         params_text = self._join_params(params)
 
-        ret = ""
-        if comments:
-            # convert trailing C++ doxygen comments, but retain C++ formatting
-            # comment blocks will not be parsed by .NET
-            comments = comments.replace("//!< ", "//! ").strip()
-            ret += f"{comments}\n"
-
-        ret += f"{self._config.func_prolog} "
+        ret = f"{self._config.func_prolog} "
         if requires_unsafe_keyword:
             ret += "unsafe "
         ret += f"{ret_type} {name}({params_text});"  # function text
@@ -137,7 +130,7 @@ def _get_handle_class_name(self, clib_area: str) -> str:
         return self._get_wrapper_class_name(clib_area) + "Handle"
 
     def _convert_func(self, parsed: Func) -> CsFunc:
-        comments, ret_type, name, _, _ = parsed
+        ret_type, name, _, _ = parsed
         clib_area, method = name.split("_", 1)
 
         # Shallow copy the params list
@@ -205,8 +198,7 @@ def _convert_func(self, parsed: Func) -> CsFunc:
 
             params[i] = Param(param_type, param_name)
 
-        func = CsFunc(comments,
-                      ret_type,
+        func = CsFunc(ret_type,
                       name,
                       params,
                       "",