diff --git a/hardware/arduino/sam/system/libsam/build_gcc/gcc.mk b/hardware/arduino/sam/system/libsam/build_gcc/gcc.mk
index 752e07976..c65fbd7ba 100644
--- a/hardware/arduino/sam/system/libsam/build_gcc/gcc.mk
+++ b/hardware/arduino/sam/system/libsam/build_gcc/gcc.mk
@@ -26,6 +26,7 @@ AS = $(CROSS_COMPILE)as
 NM = $(CROSS_COMPILE)nm
 ifeq ($(OS),Windows_NT)
 RM=cs-rm -Rf
+#RM=del /s /f
 else
 RM=rm -Rf
 endif
diff --git a/hardware/arduino/sam/system/libsam/build_gcc/sam3.mk b/hardware/arduino/sam/system/libsam/build_gcc/sam3.mk
index 046f25773..c2d073b35 100644
--- a/hardware/arduino/sam/system/libsam/build_gcc/sam3.mk
+++ b/hardware/arduino/sam/system/libsam/build_gcc/sam3.mk
@@ -175,10 +175,10 @@ $(OUTPUT_LIB): $(addprefix $(OUTPUT_PATH)/, $(C_OBJ)) $(addprefix $(OUTPUT_PATH)
 
 .PHONY: clean
 clean:
-	@echo --- Cleaning $(CHIP) files
-	-@"$(RM)" $(OUTPUT_PATH) 1>$(DEV_NUL) 2>&1
-	-@"$(RM)" $(subst /,$(SEP),$(OUTPUT_BIN)/$(OUTPUT_LIB)) 1>$(DEV_NUL) 2>&1
-	-@"$(RM)" $(subst /,$(SEP),$(OUTPUT_BIN)/$(OUTPUT_LIB)).txt 1>$(DEV_NUL) 2>&1
+	@echo --- Cleaning $(CHIP) files $(OUTPUT_PATH) $(subst /,$(SEP),$(OUTPUT_BIN)/$(OUTPUT_LIB))
+	-@$(RM) $(OUTPUT_PATH)
+	-@$(RM) $(subst /,$(SEP),$(OUTPUT_BIN)/$(OUTPUT_LIB)) 1>$(DEV_NUL) 2>&1
+	-@$(RM) $(subst /,$(SEP),$(OUTPUT_BIN)/$(OUTPUT_LIB)).txt 1>$(DEV_NUL) 2>&1
 
 # dependencies
 $(addprefix $(OUTPUT_PATH)/,$(C_OBJ)): $(OUTPUT_PATH)/%.o: $(PROJECT_BASE_PATH)/chip.h $(wildcard $(PROJECT_BASE_PATH)/include/*.h) $(wildcard $(CMSIS_BASE_PATH)/*.h)