diff --git a/Makefile b/Makefile
index 3772fa14..cc856b17 100644
--- a/Makefile
+++ b/Makefile
@@ -48,7 +48,7 @@ setup:
 
 .PHONY: clean
 clean:
-	rm -r build/
+	rm -rf build/
 
 .PHONY: lcf
 lcf: setup $(TOOLS_DIR)/lcf.py
diff --git a/tools/compress/Makefile b/tools/compress/Makefile
index 96954d4e..8b42a0bb 100644
--- a/tools/compress/Makefile
+++ b/tools/compress/Makefile
@@ -16,7 +16,7 @@ endif
 all: $(OUTFILE)
 
 clean:
-	rm $(OUTFILE)
+	rm -f $(OUTFILE)
 
 $(OUTFILE): main.c
 	$(CC) $(CFLAGS) -o $(OUTFILE) main.c
diff --git a/tools/rom/Makefile b/tools/rom/Makefile
index 30ef4568..4ba8e715 100644
--- a/tools/rom/Makefile
+++ b/tools/rom/Makefile
@@ -18,8 +18,8 @@ endif
 all: $(EXTRACTFILE) $(BUILDFILE)
 
 clean:
-	rm $(EXTRACTFILE)
-	rm $(BUILDFILE)
+	rm -f $(EXTRACTFILE)
+	rm -f $(BUILDFILE)
 
 $(EXTRACTFILE): extract.c
 	$(CC) $(CFLAGS) -o $(EXTRACTFILE) extract.c