diff --git a/build_keyboard.mk b/build_keyboard.mk
index 38ca2aaa99..262bfd9a70 100644
--- a/build_keyboard.mk
+++ b/build_keyboard.mk
@@ -375,6 +375,7 @@ ifneq ($(strip $(PROTOCOL)),)
 else
     include $(TMK_PATH)/protocol/$(PLATFORM_KEY).mk
 endif
+-include $(TOP_DIR)/platforms/$(PLATFORM_KEY)/flash.mk
 
 # TODO: remove this bodge?
 PROJECT_DEFS := $(OPT_DEFS)
diff --git a/platforms/arm_atsam/flash.mk b/platforms/arm_atsam/flash.mk
new file mode 100644
index 0000000000..444ba77f53
--- /dev/null
+++ b/platforms/arm_atsam/flash.mk
@@ -0,0 +1,11 @@
+# Hey Emacs, this is a -*- makefile -*-
+##############################################################################
+# Architecture or project specific options
+#
+
+flash: bin
+ifneq ($(strip $(PROGRAM_CMD)),)
+	$(PROGRAM_CMD)
+else
+	$(PRINT_OK); $(SILENT) || printf "$(MSG_FLASH_ARCH)"
+endif
diff --git a/platforms/avr/flash.mk b/platforms/avr/flash.mk
new file mode 100644
index 0000000000..e679bf0ace
--- /dev/null
+++ b/platforms/avr/flash.mk
@@ -0,0 +1,179 @@
+# Hey Emacs, this is a -*- makefile -*-
+##############################################################################
+# Architecture or project specific options
+#
+
+# Autodetect teensy loader
+ifndef TEENSY_LOADER_CLI
+	ifneq (, $(shell which teensy-loader-cli 2>/dev/null))
+		TEENSY_LOADER_CLI ?= teensy-loader-cli
+	else
+		TEENSY_LOADER_CLI ?= teensy_loader_cli
+	endif
+endif
+
+define EXEC_TEENSY
+	$(TEENSY_LOADER_CLI) -mmcu=$(MCU) -w -v $(BUILD_DIR)/$(TARGET).hex
+endef
+
+teensy: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
+	$(call EXEC_TEENSY)
+
+DFU_PROGRAMMER ?= dfu-programmer
+GREP ?= grep
+
+define EXEC_DFU
+	if [ "$(1)" ]; then \
+		echo "Flashing '$(1)' for EE_HANDS split keyboard support." ;\
+	fi; \
+	if ! $(DFU_PROGRAMMER) $(MCU) get bootloader-version >/dev/null 2>/dev/null; then\
+		printf "$(MSG_BOOTLOADER_NOT_FOUND_QUICK_RETRY)" ;\
+		sleep $(BOOTLOADER_RETRY_TIME) ;\
+		while ! $(DFU_PROGRAMMER) $(MCU) get bootloader-version >/dev/null 2>/dev/null; do\
+			printf "." ;\
+			sleep $(BOOTLOADER_RETRY_TIME) ;\
+		done ;\
+		printf "\n" ;\
+	fi; \
+	$(DFU_PROGRAMMER) $(MCU) get bootloader-version ;\
+	if $(DFU_PROGRAMMER) --version 2>&1 | $(GREP) -q 0.7 ; then\
+		$(DFU_PROGRAMMER) $(MCU) erase --force; \
+		if [ "$(1)" ]; then \
+			$(DFU_PROGRAMMER) $(MCU) flash --force --eeprom $(QUANTUM_PATH)/split_common/$(1);\
+		fi; \
+		$(DFU_PROGRAMMER) $(MCU) flash --force $(BUILD_DIR)/$(TARGET).hex;\
+	else \
+		$(DFU_PROGRAMMER) $(MCU) erase; \
+		if [ "$(1)" ]; then \
+			$(DFU_PROGRAMMER) $(MCU) flash-eeprom $(QUANTUM_PATH)/split_common/$(1);\
+		fi; \
+		$(DFU_PROGRAMMER) $(MCU) flash $(BUILD_DIR)/$(TARGET).hex;\
+	fi; \
+	$(DFU_PROGRAMMER) $(MCU) reset
+endef
+
+dfu: $(BUILD_DIR)/$(TARGET).hex cpfirmware check-size
+	$(call EXEC_DFU)
+
+dfu-start:
+	$(DFU_PROGRAMMER) $(MCU) reset
+	$(DFU_PROGRAMMER) $(MCU) start
+
+dfu-ee: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
+	if $(DFU_PROGRAMMER) --version 2>&1 | $(GREP) -q 0.7 ; then\
+		$(DFU_PROGRAMMER) $(MCU) flash --force --eeprom $(BUILD_DIR)/$(TARGET).eep;\
+	else\
+		$(DFU_PROGRAMMER) $(MCU) flash-eeprom $(BUILD_DIR)/$(TARGET).eep;\
+	fi
+	$(DFU_PROGRAMMER) $(MCU) reset
+
+dfu-split-left: $(BUILD_DIR)/$(TARGET).hex cpfirmware check-size
+	$(call EXEC_DFU,eeprom-lefthand.eep)
+
+dfu-split-right: $(BUILD_DIR)/$(TARGET).hex cpfirmware check-size
+	$(call EXEC_DFU,eeprom-righthand.eep)
+
+AVRDUDE_PROGRAMMER ?= avrdude
+
+define EXEC_AVRDUDE
+	list_devices() { \
+		if $(GREP) -q -s icrosoft /proc/version; then \
+		    wmic.exe path Win32_SerialPort get DeviceID 2>/dev/null | LANG=C perl -pne 's/COM(\d+)/COM.($$1-1)/e' | sed 's!COM!/dev/ttyS!' | xargs echo -n | sort; \
+		elif [ "`uname`" = "FreeBSD" ]; then \
+			ls /dev/tty* | grep -v '\.lock$$' | grep -v '\.init$$'; \
+		else \
+			ls /dev/tty*; \
+		fi; \
+	}; \
+	USB= ;\
+	printf "Waiting for USB serial port - reset your controller now (Ctrl+C to cancel)"; \
+	TMP1=`mktemp`; \
+	TMP2=`mktemp`; \
+	list_devices > $$TMP1; \
+	while [ -z "$$USB" ]; do \
+		sleep $(BOOTLOADER_RETRY_TIME); \
+		printf "."; \
+		list_devices > $$TMP2; \
+		USB=`comm -13 $$TMP1 $$TMP2 | $(GREP) -o '/dev/tty.*'`; \
+		mv $$TMP2 $$TMP1; \
+	done; \
+	rm $$TMP1; \
+	echo ""; \
+	echo "Device $$USB has appeared; assuming it is the controller."; \
+	if $(GREP) -q -s 'MINGW\|MSYS\|icrosoft' /proc/version; then \
+		USB=`echo "$$USB" | LANG=C perl -pne 's/\/dev\/ttyS(\d+)/COM.($$1+1)/e'`; \
+		echo "Remapped USB port to $$USB"; \
+		sleep 1; \
+	else \
+		printf "Waiting for $$USB to become writable."; \
+		while [ ! -w "$$USB" ]; do sleep $(BOOTLOADER_RETRY_TIME); printf "."; done; echo ""; \
+	fi; \
+	if [ -z "$(1)" ]; then \
+		$(AVRDUDE_PROGRAMMER) -p $(MCU) -c avr109 -P $$USB -U flash:w:$(BUILD_DIR)/$(TARGET).hex; \
+	else \
+		$(AVRDUDE_PROGRAMMER) -p $(MCU) -c avr109 -P $$USB -U flash:w:$(BUILD_DIR)/$(TARGET).hex -U eeprom:w:$(QUANTUM_PATH)/split_common/$(1); \
+	fi
+endef
+
+avrdude: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
+	$(call EXEC_AVRDUDE)
+
+avrdude-loop: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
+	while true; do \
+		$(call EXEC_AVRDUDE) ; \
+	done
+
+avrdude-split-left: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
+	$(call EXEC_AVRDUDE,eeprom-lefthand.eep)
+
+avrdude-split-right: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
+	$(call EXEC_AVRDUDE,eeprom-righthand.eep)
+
+define EXEC_USBASP
+	$(AVRDUDE_PROGRAMMER) -p $(AVRDUDE_MCU) -c usbasp -U flash:w:$(BUILD_DIR)/$(TARGET).hex
+endef
+
+usbasp: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
+	$(call EXEC_USBASP)
+
+BOOTLOADHID_PROGRAMMER ?= bootloadHID
+
+define EXEC_BOOTLOADHID
+	# bootloadHid executable has no cross platform detect methods
+	# so keep running bootloadHid if the output contains "The specified device was not found"
+	until $(BOOTLOADHID_PROGRAMMER) -r $(BUILD_DIR)/$(TARGET).hex 2>&1 | tee /dev/stderr | grep -v "device was not found"; do\
+		printf "$(MSG_BOOTLOADER_NOT_FOUND)" ;\
+		sleep 5 ;\
+	done
+endef
+
+bootloadHID: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
+	$(call EXEC_BOOTLOADHID)
+
+HID_BOOTLOADER_CLI ?= hid_bootloader_cli
+
+define EXEC_HID_LUFA
+	$(HID_BOOTLOADER_CLI) -mmcu=$(MCU) -w -v $(BUILD_DIR)/$(TARGET).hex
+endef
+
+hid_bootloader: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
+	$(call EXEC_HID_LUFA)
+
+flash:  $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
+ifneq ($(strip $(PROGRAM_CMD)),)
+	$(PROGRAM_CMD)
+else ifeq ($(strip $(BOOTLOADER)), caterina)
+	$(call EXEC_AVRDUDE)
+else ifeq ($(strip $(BOOTLOADER)), halfkay)
+	$(call EXEC_TEENSY)
+else ifeq (dfu,$(findstring dfu,$(BOOTLOADER)))
+	$(call EXEC_DFU)
+else ifeq ($(strip $(BOOTLOADER)), USBasp)
+	$(call EXEC_USBASP)
+else ifeq ($(strip $(BOOTLOADER)), bootloadHID)
+	$(call EXEC_BOOTLOADHID)
+else ifeq ($(strip $(BOOTLOADER)), qmk-hid)
+	$(call EXEC_HID_LUFA)
+else
+	$(PRINT_OK); $(SILENT) || printf "$(MSG_FLASH_BOOTLOADER)"
+endif
diff --git a/platforms/chibios/flash.mk b/platforms/chibios/flash.mk
new file mode 100644
index 0000000000..46aff6e4b0
--- /dev/null
+++ b/platforms/chibios/flash.mk
@@ -0,0 +1,87 @@
+# Hey Emacs, this is a -*- makefile -*-
+##############################################################################
+# Architecture or project specific options
+#
+
+DFU_ARGS ?=
+ifneq ("$(SERIAL)","")
+	DFU_ARGS += -S $(SERIAL)
+endif
+
+DFU_UTIL ?= dfu-util
+
+define EXEC_DFU_UTIL
+	if ! $(DFU_UTIL) -l | grep -q "Found DFU"; then \
+		printf "$(MSG_BOOTLOADER_NOT_FOUND_QUICK_RETRY)" ;\
+		sleep $(BOOTLOADER_RETRY_TIME) ;\
+		while ! $(DFU_UTIL) -l | grep -q "Found DFU"; do \
+			printf "." ;\
+			sleep $(BOOTLOADER_RETRY_TIME) ;\
+		done ;\
+		printf "\n" ;\
+	fi
+	$(DFU_UTIL) $(DFU_ARGS) -D $(BUILD_DIR)/$(TARGET).bin
+endef
+
+dfu-util: $(BUILD_DIR)/$(TARGET).bin cpfirmware sizeafter
+	$(call EXEC_DFU_UTIL)
+
+# TODO: Remove once ARM has a way to configure EECONFIG_HANDEDNESS
+#       within the emulated eeprom via dfu-util or another tool
+ifneq (,$(filter $(MAKECMDGOALS),dfu-util-split-left))
+    OPT_DEFS += -DINIT_EE_HANDS_LEFT
+endif
+
+ifneq (,$(filter $(MAKECMDGOALS),dfu-util-split-right))
+    OPT_DEFS += -DINIT_EE_HANDS_RIGHT
+endif
+
+dfu-util-split-left: dfu-util
+
+dfu-util-split-right: dfu-util
+
+ST_LINK_CLI ?= st-link_cli
+ST_LINK_ARGS ?=
+
+st-link-cli: $(BUILD_DIR)/$(TARGET).hex sizeafter
+	$(ST_LINK_CLI) $(ST_LINK_ARGS) -q -c SWD -p $(BUILD_DIR)/$(TARGET).hex -Rst
+
+ST_FLASH ?= st-flash
+ST_FLASH_ARGS ?=
+
+st-flash: $(BUILD_DIR)/$(TARGET).hex sizeafter
+	$(ST_FLASH) $(ST_FLASH_ARGS) --reset --format ihex write $(BUILD_DIR)/$(TARGET).hex
+
+# Autodetect teensy loader
+ifndef TEENSY_LOADER_CLI
+    ifneq (, $(shell which teensy-loader-cli 2>/dev/null))
+        TEENSY_LOADER_CLI ?= teensy-loader-cli
+    else
+        TEENSY_LOADER_CLI ?= teensy_loader_cli
+    endif
+endif
+
+TEENSY_LOADER_CLI_MCU ?= $(MCU_LDSCRIPT)
+
+define EXEC_TEENSY
+	$(TEENSY_LOADER_CLI) -mmcu=$(TEENSY_LOADER_CLI_MCU) -w -v $(BUILD_DIR)/$(TARGET).hex
+endef
+
+teensy: $(BUILD_DIR)/$(TARGET).hex cpfirmware sizeafter
+	$(call EXEC_TEENSY)
+
+
+flash: $(BUILD_DIR)/$(TARGET).bin cpfirmware sizeafter
+ifneq ($(strip $(PROGRAM_CMD)),)
+	$(PROGRAM_CMD)
+else ifeq ($(strip $(BOOTLOADER)),kiibohd)
+	$(call EXEC_DFU_UTIL)
+else ifeq ($(strip $(MCU_FAMILY)),KINETIS)
+	$(call EXEC_TEENSY)
+else ifeq ($(strip $(MCU_FAMILY)),MIMXRT1062)
+	$(call EXEC_TEENSY)
+else ifeq ($(strip $(MCU_FAMILY)),STM32)
+	$(call EXEC_DFU_UTIL)
+else
+	$(PRINT_OK); $(SILENT) || printf "$(MSG_FLASH_BOOTLOADER)"
+endif
diff --git a/tmk_core/arm_atsam.mk b/tmk_core/arm_atsam.mk
index e4bf60e1af..e9bdc2c3c1 100644
--- a/tmk_core/arm_atsam.mk
+++ b/tmk_core/arm_atsam.mk
@@ -54,10 +54,3 @@ EXTRALIBDIRS =
 bin: $(BUILD_DIR)/$(TARGET).hex
 	$(OBJCOPY) -Iihex -Obinary $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
 	$(COPY) $(BUILD_DIR)/$(TARGET).bin $(TARGET).bin;
-
-flash: bin
-ifneq ($(strip $(PROGRAM_CMD)),)
-	$(PROGRAM_CMD)
-else
-	$(PRINT_OK); $(SILENT) || printf "$(MSG_FLASH_ARCH)"
-endif
diff --git a/tmk_core/avr.mk b/tmk_core/avr.mk
index a44e15700e..d7bee6d34c 100644
--- a/tmk_core/avr.mk
+++ b/tmk_core/avr.mk
@@ -89,162 +89,6 @@ DEBUG_PORT = 4242
 DEBUG_HOST = localhost
 
 #============================================================================
-# Autodetect teensy loader
-ifndef TEENSY_LOADER_CLI
-	ifneq (, $(shell which teensy-loader-cli 2>/dev/null))
-		TEENSY_LOADER_CLI ?= teensy-loader-cli
-	else
-		TEENSY_LOADER_CLI ?= teensy_loader_cli
-	endif
-endif
-
-define EXEC_TEENSY
-	$(TEENSY_LOADER_CLI) -mmcu=$(MCU) -w -v $(BUILD_DIR)/$(TARGET).hex
-endef
-
-teensy: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
-	$(call EXEC_TEENSY)
-
-DFU_PROGRAMMER ?= dfu-programmer
-GREP ?= grep
-
-
-define EXEC_DFU
-	if [ "$(1)" ]; then \
-		echo "Flashing '$(1)' for EE_HANDS split keyboard support." ;\
-	fi; \
-	if ! $(DFU_PROGRAMMER) $(MCU) get bootloader-version >/dev/null 2>/dev/null; then\
-		printf "$(MSG_BOOTLOADER_NOT_FOUND_QUICK_RETRY)" ;\
-		sleep $(BOOTLOADER_RETRY_TIME) ;\
-		while ! $(DFU_PROGRAMMER) $(MCU) get bootloader-version >/dev/null 2>/dev/null; do\
-			printf "." ;\
-			sleep $(BOOTLOADER_RETRY_TIME) ;\
-		done ;\
-		printf "\n" ;\
-	fi; \
-	$(DFU_PROGRAMMER) $(MCU) get bootloader-version ;\
-	if $(DFU_PROGRAMMER) --version 2>&1 | $(GREP) -q 0.7 ; then\
-		$(DFU_PROGRAMMER) $(MCU) erase --force; \
-		if [ "$(1)" ]; then \
-			$(DFU_PROGRAMMER) $(MCU) flash --force --eeprom $(QUANTUM_PATH)/split_common/$(1);\
-		fi; \
-		$(DFU_PROGRAMMER) $(MCU) flash --force $(BUILD_DIR)/$(TARGET).hex;\
-	else \
-		$(DFU_PROGRAMMER) $(MCU) erase; \
-		if [ "$(1)" ]; then \
-			$(DFU_PROGRAMMER) $(MCU) flash-eeprom $(QUANTUM_PATH)/split_common/$(1);\
-		fi; \
-		$(DFU_PROGRAMMER) $(MCU) flash $(BUILD_DIR)/$(TARGET).hex;\
-	fi; \
-	$(DFU_PROGRAMMER) $(MCU) reset
-endef
-
-dfu: $(BUILD_DIR)/$(TARGET).hex cpfirmware check-size
-	$(call EXEC_DFU)
-
-dfu-start:
-	$(DFU_PROGRAMMER) $(MCU) reset
-	$(DFU_PROGRAMMER) $(MCU) start
-
-dfu-ee: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
-	if $(DFU_PROGRAMMER) --version 2>&1 | $(GREP) -q 0.7 ; then\
-		$(DFU_PROGRAMMER) $(MCU) flash --force --eeprom $(BUILD_DIR)/$(TARGET).eep;\
-	else\
-		$(DFU_PROGRAMMER) $(MCU) flash-eeprom $(BUILD_DIR)/$(TARGET).eep;\
-	fi
-	$(DFU_PROGRAMMER) $(MCU) reset
-
-dfu-split-left: $(BUILD_DIR)/$(TARGET).hex cpfirmware check-size
-	$(call EXEC_DFU,eeprom-lefthand.eep)
-
-dfu-split-right: $(BUILD_DIR)/$(TARGET).hex cpfirmware check-size
-	$(call EXEC_DFU,eeprom-righthand.eep)
-
-AVRDUDE_PROGRAMMER ?= avrdude
-
-define EXEC_AVRDUDE
-	list_devices() { \
-		if $(GREP) -q -s icrosoft /proc/version; then \
-		    wmic.exe path Win32_SerialPort get DeviceID 2>/dev/null | LANG=C perl -pne 's/COM(\d+)/COM.($$1-1)/e' | sed 's!COM!/dev/ttyS!' | xargs echo -n | sort; \
-		elif [ "`uname`" = "FreeBSD" ]; then \
-			ls /dev/tty* | grep -v '\.lock$$' | grep -v '\.init$$'; \
-		else \
-			ls /dev/tty*; \
-		fi; \
-	}; \
-	USB= ;\
-	printf "Waiting for USB serial port - reset your controller now (Ctrl+C to cancel)"; \
-	TMP1=`mktemp`; \
-	TMP2=`mktemp`; \
-	list_devices > $$TMP1; \
-	while [ -z "$$USB" ]; do \
-		sleep $(BOOTLOADER_RETRY_TIME); \
-		printf "."; \
-		list_devices > $$TMP2; \
-		USB=`comm -13 $$TMP1 $$TMP2 | $(GREP) -o '/dev/tty.*'`; \
-		mv $$TMP2 $$TMP1; \
-	done; \
-	rm $$TMP1; \
-	echo ""; \
-	echo "Device $$USB has appeared; assuming it is the controller."; \
-	if $(GREP) -q -s 'MINGW\|MSYS\|icrosoft' /proc/version; then \
-		USB=`echo "$$USB" | LANG=C perl -pne 's/\/dev\/ttyS(\d+)/COM.($$1+1)/e'`; \
-		echo "Remapped USB port to $$USB"; \
-		sleep 1; \
-	else \
-		printf "Waiting for $$USB to become writable."; \
-		while [ ! -w "$$USB" ]; do sleep $(BOOTLOADER_RETRY_TIME); printf "."; done; echo ""; \
-	fi; \
-	if [ -z "$(1)" ]; then \
-		$(AVRDUDE_PROGRAMMER) -p $(MCU) -c avr109 -P $$USB -U flash:w:$(BUILD_DIR)/$(TARGET).hex; \
-	else \
-		$(AVRDUDE_PROGRAMMER) -p $(MCU) -c avr109 -P $$USB -U flash:w:$(BUILD_DIR)/$(TARGET).hex -U eeprom:w:$(QUANTUM_PATH)/split_common/$(1); \
-	fi
-endef
-
-avrdude: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
-	$(call EXEC_AVRDUDE)
-
-avrdude-loop: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
-	while true; do \
-		$(call EXEC_AVRDUDE) ; \
-	done
-
-avrdude-split-left: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
-	$(call EXEC_AVRDUDE,eeprom-lefthand.eep)
-
-avrdude-split-right: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
-	$(call EXEC_AVRDUDE,eeprom-righthand.eep)
-
-define EXEC_USBASP
-	$(AVRDUDE_PROGRAMMER) -p $(AVRDUDE_MCU) -c usbasp -U flash:w:$(BUILD_DIR)/$(TARGET).hex
-endef
-
-usbasp: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
-	$(call EXEC_USBASP)
-
-BOOTLOADHID_PROGRAMMER ?= bootloadHID
-
-define EXEC_BOOTLOADHID
-	# bootloadHid executable has no cross platform detect methods
-	# so keep running bootloadHid if the output contains "The specified device was not found"
-	until $(BOOTLOADHID_PROGRAMMER) -r $(BUILD_DIR)/$(TARGET).hex 2>&1 | tee /dev/stderr | grep -v "device was not found"; do\
-		printf "$(MSG_BOOTLOADER_NOT_FOUND)" ;\
-		sleep 5 ;\
-	done
-endef
-
-bootloadHID: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
-	$(call EXEC_BOOTLOADHID)
-
-HID_BOOTLOADER_CLI ?= hid_bootloader_cli
-
-define EXEC_HID_LUFA
-	$(HID_BOOTLOADER_CLI) -mmcu=$(MCU) -w -v $(BUILD_DIR)/$(TARGET).hex
-endef
-
-hid_bootloader: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
-	$(call EXEC_HID_LUFA)
 
 # Convert hex to bin.
 bin: $(BUILD_DIR)/$(TARGET).hex
@@ -335,22 +179,3 @@ production: $(BUILD_DIR)/$(TARGET).hex bootloader cpfirmware
 	@cat $(TARGET)_bootloader.hex >> $(TARGET)_production.hex
 	echo "File sizes:"
 	$(SIZE) $(TARGET).hex $(TARGET)_bootloader.hex $(TARGET)_production.hex
-
-flash:  $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
-ifneq ($(strip $(PROGRAM_CMD)),)
-	$(PROGRAM_CMD)
-else ifeq ($(strip $(BOOTLOADER)), caterina)
-	$(call EXEC_AVRDUDE)
-else ifeq ($(strip $(BOOTLOADER)), halfkay)
-	$(call EXEC_TEENSY)
-else ifeq (dfu,$(findstring dfu,$(BOOTLOADER)))
-	$(call EXEC_DFU)
-else ifeq ($(strip $(BOOTLOADER)), USBasp)
-	$(call EXEC_USBASP)
-else ifeq ($(strip $(BOOTLOADER)), bootloadHID)
-	$(call EXEC_BOOTLOADHID)
-else ifeq ($(strip $(BOOTLOADER)), qmk-hid)
-	$(call EXEC_HID_LUFA)
-else
-	$(PRINT_OK); $(SILENT) || printf "$(MSG_FLASH_BOOTLOADER)"
-endif
diff --git a/tmk_core/chibios.mk b/tmk_core/chibios.mk
index 7eda360460..827f080e58 100644
--- a/tmk_core/chibios.mk
+++ b/tmk_core/chibios.mk
@@ -325,95 +325,8 @@ MCUFLAGS = -mcpu=$(MCU)
 
 DEBUG = gdb
 
-DFU_ARGS ?=
-ifneq ("$(SERIAL)","")
-	DFU_ARGS += -S $(SERIAL)
-endif
-
-ST_LINK_ARGS ?=
-ST_FLASH_ARGS ?=
-
 # List any extra directories to look for libraries here.
 EXTRALIBDIRS = $(RULESPATH)/ld
 
-DFU_UTIL ?= dfu-util
-ST_LINK_CLI ?= st-link_cli
-ST_FLASH ?= st-flash
-
-define EXEC_DFU_UTIL
-	if ! $(DFU_UTIL) -l | grep -q "Found DFU"; then \
-		printf "$(MSG_BOOTLOADER_NOT_FOUND_QUICK_RETRY)" ;\
-		sleep $(BOOTLOADER_RETRY_TIME) ;\
-		while ! $(DFU_UTIL) -l | grep -q "Found DFU"; do \
-			printf "." ;\
-			sleep $(BOOTLOADER_RETRY_TIME) ;\
-		done ;\
-		printf "\n" ;\
-	fi
-	$(DFU_UTIL) $(DFU_ARGS) -D $(BUILD_DIR)/$(TARGET).bin
-endef
-
-dfu-util: $(BUILD_DIR)/$(TARGET).bin cpfirmware sizeafter
-	$(call EXEC_DFU_UTIL)
-
-# Legacy alias
-dfu-util-wait: dfu-util
-
-# TODO: Remove once ARM has a way to configure EECONFIG_HANDEDNESS
-#       within the emulated eeprom via dfu-util or another tool
-ifneq (,$(filter $(MAKECMDGOALS),dfu-util-split-left))
-    OPT_DEFS += -DINIT_EE_HANDS_LEFT
-endif
-
-ifneq (,$(filter $(MAKECMDGOALS),dfu-util-split-right))
-    OPT_DEFS += -DINIT_EE_HANDS_RIGHT
-endif
-
-dfu-util-split-left: dfu-util
-
-dfu-util-split-right: dfu-util
-
-
-st-link-cli: $(BUILD_DIR)/$(TARGET).hex sizeafter
-	$(ST_LINK_CLI) $(ST_LINK_ARGS) -q -c SWD -p $(BUILD_DIR)/$(TARGET).hex -Rst
-
-st-flash: $(BUILD_DIR)/$(TARGET).hex sizeafter
-	$(ST_FLASH) $(ST_FLASH_ARGS) --reset --format ihex write $(BUILD_DIR)/$(TARGET).hex
-
-
-# Autodetect teensy loader
-ifndef TEENSY_LOADER_CLI
-    ifneq (, $(shell which teensy-loader-cli 2>/dev/null))
-        TEENSY_LOADER_CLI ?= teensy-loader-cli
-    else
-        TEENSY_LOADER_CLI ?= teensy_loader_cli
-    endif
-endif
-
-TEENSY_LOADER_CLI_MCU ?= $(MCU_LDSCRIPT)
-
-define EXEC_TEENSY
-	$(TEENSY_LOADER_CLI) -mmcu=$(TEENSY_LOADER_CLI_MCU) -w -v $(BUILD_DIR)/$(TARGET).hex
-endef
-
-teensy: $(BUILD_DIR)/$(TARGET).hex cpfirmware sizeafter
-	$(call EXEC_TEENSY)
-
 bin: $(BUILD_DIR)/$(TARGET).bin sizeafter
 	$(COPY) $(BUILD_DIR)/$(TARGET).bin $(TARGET).bin;
-
-
-flash: $(BUILD_DIR)/$(TARGET).bin cpfirmware sizeafter
-ifneq ($(strip $(PROGRAM_CMD)),)
-	$(PROGRAM_CMD)
-else ifeq ($(strip $(BOOTLOADER)),kiibohd)
-	$(call EXEC_DFU_UTIL)
-else ifeq ($(strip $(MCU_FAMILY)),KINETIS)
-	$(call EXEC_TEENSY)
-else ifeq ($(strip $(MCU_FAMILY)),MIMXRT1062)
-	$(call EXEC_TEENSY)
-else ifeq ($(strip $(MCU_FAMILY)),STM32)
-	$(call EXEC_DFU_UTIL)
-else
-	$(PRINT_OK); $(SILENT) || printf "$(MSG_FLASH_BOOTLOADER)"
-endif