diff --git a/src/makeprog.env.in b/src/makeprog.env.in
index 9c0150e4c6..fd1a312885 100644
--- a/src/makeprog.env.in
+++ b/src/makeprog.env.in
@@ -46,5 +46,5 @@ install_data:
 	done
 
 clean:
-	rm -f $(OBJECTS) $(BIN_PROGRAM) $(RES_PROGRAM_OBJ) core
+	rm -f $(OBJECTS) $(DEPFILES) $(BIN_PROGRAM) $(RES_PROGRAM_OBJ) core