diff --git a/.github/workflows/makefile.yml b/.github/workflows/makefile.yml
index 7e787a7..fd467ce 100644
--- a/.github/workflows/makefile.yml
+++ b/.github/workflows/makefile.yml
@@ -24,4 +24,4 @@ jobs:
 
     - name: build
       working-directory: ./numworks_port
-      run: make
+      run: make RUN_IN_GITHUB_ACTION=TRUE
diff --git a/numworks_port/Makefile b/numworks_port/Makefile
index 87ab9ad..2149358 100644
--- a/numworks_port/Makefile
+++ b/numworks_port/Makefile
@@ -9,10 +9,10 @@ LD_SCRIPT = $(SRC_DIR)/linker.ld
 MCU_SPEC  = cortex-m7
 
 # Toolchain definitions (ARM bare metal defaults)
-ifeq ($(RUN_IN_GITHUB_ACTION),"TRUE")
-TOOLCHAIN = $(ARM_NONE_EABI_GCC_PATH)
+ifndef RUN_IN_GITHUB_ACTION
+TOOLCHAIN = /usr/bin# if make is run normally
 else
-TOOLCHAIN = /usr/bin
+TOOLCHAIN = $(ARM_NONE_EABI_GCC_PATH) # if run inside of a github action
 endif
 
 CP = $(TOOLCHAIN)/arm-none-eabi-g++
diff --git a/numworks_port/build/Laplace/gpio_helper.o b/numworks_port/build/Laplace/gpio_helper.o
deleted file mode 100644
index 3a0b959..0000000
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diff --git a/numworks_port/build/Laplace/keyboard.o b/numworks_port/build/Laplace/keyboard.o
deleted file mode 100644
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diff --git a/numworks_port/build/Laplace/laplace.o b/numworks_port/build/Laplace/laplace.o
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diff --git a/numworks_port/build/Laplace/led.o b/numworks_port/build/Laplace/led.o
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diff --git a/numworks_port/build/Laplace/time.o b/numworks_port/build/Laplace/time.o
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diff --git a/numworks_port/build/info_headers.o b/numworks_port/build/info_headers.o
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index e6000dc..0000000
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diff --git a/numworks_port/build/main.bin b/numworks_port/build/main.bin
deleted file mode 100755
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diff --git a/numworks_port/build/main.elf b/numworks_port/build/main.elf
deleted file mode 100755
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diff --git a/numworks_port/build/main.o b/numworks_port/build/main.o
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diff --git a/numworks_port/build/start_handler.o b/numworks_port/build/start_handler.o
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diff --git a/numworks_port/build/vector_table.o b/numworks_port/build/vector_table.o
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