diff --git a/tool/resources/org/antlr/v4/tool/templates/codegen/Python3/Python3.stg b/tool/resources/org/antlr/v4/tool/templates/codegen/Python3/Python3.stg
index 650d0002e..ecd6af0f5 100644
--- a/tool/resources/org/antlr/v4/tool/templates/codegen/Python3/Python3.stg
+++ b/tool/resources/org/antlr/v4/tool/templates/codegen/Python3/Python3.stg
@@ -82,6 +82,7 @@ def exit<lname; format="cap">(self, ctx:<file.parserName>.<lname; format="cap">C
 
 }; separator="\n">
 
+del <file.parserName>
 >>