diff --git a/src/python_introspect/signature_analyzer.py b/src/python_introspect/signature_analyzer.py
index 76f45b7..33800e7 100644
--- a/src/python_introspect/signature_analyzer.py
+++ b/src/python_introspect/signature_analyzer.py
@@ -434,12 +434,7 @@ def extract(target: Union[Callable, type]) -> DocstringInfo:
         if not docstring:
             return DocstringInfo(parameters={})
 
-        # Try AST-based parsing first for better accuracy
-        try:
-            return DocstringExtractor._parse_docstring_ast(actual_target, docstring)
-        except Exception:
-            # Fall back to regex-based parsing
-            return DocstringExtractor._parse_docstring(docstring)
+        return DocstringExtractor._parse_docstring(docstring)
 
     @staticmethod
     def _resolve_lazy_target(target: Union[Callable, type]) -> Union[Callable, type]:
@@ -448,38 +443,6 @@ def _resolve_lazy_target(target: Union[Callable, type]) -> Union[Callable, type]
             return target
         return _resolve_type(target)
 
-    @staticmethod
-    def _parse_docstring_ast(target: Union[Callable, type], docstring: str) -> DocstringInfo:
-        """Parse docstring using AST for more accurate extraction.
-
-        This method uses AST to parse the source code and extract docstring
-        information more accurately, especially for complex multiline descriptions.
-        """
-        try:
-            # Get source code
-            source = inspect.getsource(target)
-            tree = ast.parse(source)
-
-            # Find the function/class node
-            for node in ast.walk(tree):
-                if isinstance(node, (ast.FunctionDef, ast.ClassDef)):
-                    if ast.get_docstring(node) == docstring:
-                        return DocstringExtractor._parse_ast_docstring(node, docstring)
-
-            # Fallback to regex parsing if AST parsing fails
-            return DocstringExtractor._parse_docstring(docstring)
-
-        except Exception:
-            # Fallback to regex parsing
-            return DocstringExtractor._parse_docstring(docstring)
-
-    @staticmethod
-    def _parse_ast_docstring(node: Union[ast.FunctionDef, ast.ClassDef], docstring: str) -> DocstringInfo:
-        """Parse docstring from AST node with enhanced multiline support."""
-        # For now, use the improved regex parser
-        # This can be extended later with more sophisticated AST-based parsing
-        return DocstringExtractor._parse_docstring(docstring)
-
     @staticmethod
     def _parse_docstring(docstring: str) -> DocstringInfo:
         """Parse a docstring into structured components with improved multiline support.