diff --git a/Makefile.pre.in b/Makefile.pre.in
index 3bd4495f95b7a9..81f5b6448a82a8 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -1762,7 +1762,7 @@ regen-pegen:
 
 .PHONY: regen-ast
 regen-ast:
-	# Regenerate 3 files using using Parser/asdl_c.py:
+	# Regenerate 3 files using Parser/asdl_c.py:
 	# - Include/internal/pycore_ast.h
 	# - Include/internal/pycore_ast_state.h
 	# - Python/Python-ast.c