1 files changed, 0 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index e65a39e9f0..d1c73f507d 100644
--- a/Makefile
+++ b/Makefile
@@ -291,7 +291,6 @@ iwyu: build/.ran-cmake
 	|src/nvim/ui_client.h\
 	|src/nvim/ui_compositor.h\
 	|src/nvim/undo.h\
-	|src/nvim/undo_defs.h\
 	|src/nvim/usercmd.h\
 	|src/nvim/version.h\
 	|src/nvim/vim.h\