diff --git a/capa/features/extractors/base_extractor.py b/capa/features/extractors/base_extractor.py
index b0b8126c..9c672706 100644
--- a/capa/features/extractors/base_extractor.py
+++ b/capa/features/extractors/base_extractor.py
@@ -275,7 +275,6 @@ class ProcessHandle:
         inner: sandbox-specific data
     """
 
-    ppid: int
     pid: int
     inner: Any