diff --git a/Makefile b/Makefile
index e09fe100efb2..0ebe68ba5753 100644
--- a/Makefile
+++ b/Makefile
@@ -1589,7 +1589,7 @@ endif # CONFIG_MODULES
 CLEAN_FILES += include/ksym vmlinux.symvers modules-only.symvers \
 	       modules.builtin modules.builtin.modinfo modules.nsdeps \
 	       compile_commands.json .thinlto-cache rust/test rust/doc \
-	       .vmlinux.objs .vmlinux.export.c
+	       rust-project.json .vmlinux.objs .vmlinux.export.c
 
 # Directories & files removed with 'make mrproper'
 MRPROPER_FILES += include/config include/generated          \