diff --git a/src/objprint/frame_analyzer.py b/src/objprint/frame_analyzer.py
index 3c34504..7264396 100644
--- a/src/objprint/frame_analyzer.py
+++ b/src/objprint/frame_analyzer.py
@@ -60,48 +60,7 @@ def get_executing_function_call_str(self, frame: FrameType) -> Optional[str]:
         except OSError:
             return None
 
-        if sys.version_info < (3, 8):
-            return self.get_source_segment3637(source, node)
-        else:
-            return ast.get_source_segment(source, node)
-
-    def get_source_segment3637(self, source: str, node: ast.AST) -> str:
-        if node.lineno is None or node.col_offset is None:  # pragma: no cover
-            return None
-        lineno = node.lineno - 1
-        lines = self._splitlines_no_ff(source)
-        first_line = lines[lineno].encode()[node.col_offset:].decode()
-        lines = lines[lineno + 1:]
-        lines.insert(0, first_line)
-        return "".join(lines)
-
-    def _splitlines_no_ff(self, source: str) -> List[str]:  # pragma: no cover
-        """Split a string into lines ignoring form feed and other chars.
-        This mimics how the Python parser splits source code.
-
-        :copyright: Copyright 2008 by Armin Ronacher.
-        :license: Python License.
-        from https://github.com/python/cpython/blob/main/Lib/ast.py
-        license: https://github.com/python/cpython/blob/main/LICENSE
-        """
-        idx = 0
-        lines = []
-        next_line = ''
-        while idx < len(source):
-            c = source[idx]
-            next_line += c
-            idx += 1
-            # Keep \r\n together
-            if c == '\r' and idx < len(source) and source[idx] == '\n':
-                next_line += '\n'
-                idx += 1
-            if c in '\r\n':
-                lines.append(next_line)
-                next_line = ''
-
-        if next_line:
-            lines.append(next_line)
-        return lines
+        return ast.get_source_segment(source, node)
 
     def return_object(self, frame: Optional[FrameType]) -> bool:
         if frame is None: