diff --git a/Marlin/src/HAL/HAL_AVR/HAL.h b/Marlin/src/HAL/HAL_AVR/HAL.h
index fb664878b..5c10ad08e 100644
--- a/Marlin/src/HAL/HAL_AVR/HAL.h
+++ b/Marlin/src/HAL/HAL_AVR/HAL.h
@@ -358,9 +358,9 @@ void TIMER0_COMPB_vect_bottom()
 
 // ADC
 #ifdef DIDR2
-  #define HAL_ANALOG_SELECT(pin) do{ if (pin < 8) SBI(DIDR0, pin); else SBI(DIDR2, pin & 0x07); }while(0)
+  #define HAL_ANALOG_SELECT(ind) do{ if (ind < 8) SBI(DIDR0, ind); else SBI(DIDR2, ind & 0x07); }while(0)
 #else
-  #define HAL_ANALOG_SELECT(pin) do{ SBI(DIDR0, pin); }while(0)
+  #define HAL_ANALOG_SELECT(ind) SBI(DIDR0, ind);
 #endif
 
 inline void HAL_adc_init() {
@@ -371,11 +371,11 @@ inline void HAL_adc_init() {
   #endif
 }
 
-#define SET_ADMUX_ADCSRA(pin) ADMUX = _BV(REFS0) | (pin & 0x07); SBI(ADCSRA, ADSC)
+#define SET_ADMUX_ADCSRA(ch) ADMUX = _BV(REFS0) | (ch & 0x07); SBI(ADCSRA, ADSC)
 #ifdef MUX5
-  #define HAL_START_ADC(pin) if (pin > 7) ADCSRB = _BV(MUX5); else ADCSRB = 0; SET_ADMUX_ADCSRA(pin)
+  #define HAL_START_ADC(ch) if (ch > 7) ADCSRB = _BV(MUX5); else ADCSRB = 0; SET_ADMUX_ADCSRA(ch)
 #else
-  #define HAL_START_ADC(pin) ADCSRB = 0; SET_ADMUX_ADCSRA(pin)
+  #define HAL_START_ADC(ch) ADCSRB = 0; SET_ADMUX_ADCSRA(ch)
 #endif
 
 #define HAL_ADC_RESOLUTION 10
diff --git a/Marlin/src/HAL/HAL_DUE/HAL.cpp b/Marlin/src/HAL/HAL_DUE/HAL.cpp
index 130779896..2d2eb3b9f 100644
--- a/Marlin/src/HAL/HAL_DUE/HAL.cpp
+++ b/Marlin/src/HAL/HAL_DUE/HAL.cpp
@@ -94,8 +94,8 @@ int freeMemory() {
 // ADC
 // ------------------------
 
-void HAL_adc_start_conversion(const uint8_t adc_pin) {
-  HAL_adc_result = analogRead(adc_pin);
+void HAL_adc_start_conversion(const uint8_t ch) {
+  HAL_adc_result = analogRead(ch);
 }
 
 uint16_t HAL_adc_get_result() {
diff --git a/Marlin/src/HAL/HAL_DUE/HAL.h b/Marlin/src/HAL/HAL_DUE/HAL.h
index 20016ef18..b5bac8956 100644
--- a/Marlin/src/HAL/HAL_DUE/HAL.h
+++ b/Marlin/src/HAL/HAL_DUE/HAL.h
@@ -148,16 +148,16 @@ extern uint16_t HAL_adc_result;     // result of last ADC conversion
   #define analogInputToDigitalPin(p) ((p < 12u) ? (p) + 54u : -1)
 #endif
 
-#define HAL_ANALOG_SELECT(pin)
+#define HAL_ANALOG_SELECT(ch)
 
 inline void HAL_adc_init() {}//todo
 
-#define HAL_START_ADC(pin)  HAL_adc_start_conversion(pin)
+#define HAL_START_ADC(ch)   HAL_adc_start_conversion(ch)
 #define HAL_ADC_RESOLUTION  10
 #define HAL_READ_ADC()      HAL_adc_result
 #define HAL_ADC_READY()     true
 
-void HAL_adc_start_conversion(const uint8_t adc_pin);
+void HAL_adc_start_conversion(const uint8_t ch);
 uint16_t HAL_adc_get_result();
 
 //
diff --git a/Marlin/src/HAL/HAL_ESP32/HAL.cpp b/Marlin/src/HAL/HAL_ESP32/HAL.cpp
index a188d4fb9..73e60c178 100644
--- a/Marlin/src/HAL/HAL_ESP32/HAL.cpp
+++ b/Marlin/src/HAL/HAL_ESP32/HAL.cpp
@@ -191,7 +191,7 @@ void HAL_adc_init() {
   }
 }
 
-void HAL_adc_start_conversion(uint8_t adc_pin) {
+void HAL_adc_start_conversion(const uint8_t adc_pin) {
   const adc1_channel_t chan = get_channel(adc_pin);
   uint32_t mv;
   esp_adc_cal_get_voltage((adc_channel_t)chan, &characteristics[attenuations[chan]], &mv);
diff --git a/Marlin/src/HAL/HAL_ESP32/HAL.h b/Marlin/src/HAL/HAL_ESP32/HAL.h
index 2c6858ba9..c4528f752 100644
--- a/Marlin/src/HAL/HAL_ESP32/HAL.h
+++ b/Marlin/src/HAL/HAL_ESP32/HAL.h
@@ -125,7 +125,7 @@ void HAL_adc_init();
 #define HAL_READ_ADC()      HAL_adc_result
 #define HAL_ADC_READY()     true
 
-void HAL_adc_start_conversion(uint8_t adc_pin);
+void HAL_adc_start_conversion(const uint8_t adc_pin);
 
 #define GET_PIN_MAP_PIN(index) index
 #define GET_PIN_MAP_INDEX(pin) pin
diff --git a/Marlin/src/HAL/HAL_LINUX/HAL.cpp b/Marlin/src/HAL/HAL_LINUX/HAL.cpp
index 316f6b452..a10b1629a 100644
--- a/Marlin/src/HAL/HAL_LINUX/HAL.cpp
+++ b/Marlin/src/HAL/HAL_LINUX/HAL.cpp
@@ -55,7 +55,7 @@ void HAL_adc_init() {
 
 }
 
-void HAL_adc_enable_channel(int ch) {
+void HAL_adc_enable_channel(const uint8_t ch) {
 
 }
 
diff --git a/Marlin/src/HAL/HAL_LINUX/HAL.h b/Marlin/src/HAL/HAL_LINUX/HAL.h
index 37b3b479b..63aa8fa11 100644
--- a/Marlin/src/HAL/HAL_LINUX/HAL.h
+++ b/Marlin/src/HAL/HAL_LINUX/HAL.h
@@ -87,15 +87,15 @@ int freeMemory();
 #pragma GCC diagnostic pop
 
 // ADC
-#define HAL_ANALOG_SELECT(pin) HAL_adc_enable_channel(pin)
-#define HAL_START_ADC(pin)     HAL_adc_start_conversion(pin)
-#define HAL_ADC_RESOLUTION     10
-#define HAL_READ_ADC()         HAL_adc_get_result()
-#define HAL_ADC_READY()        true
+#define HAL_ANALOG_SELECT(ch) HAL_adc_enable_channel(ch)
+#define HAL_START_ADC(ch)     HAL_adc_start_conversion(ch)
+#define HAL_ADC_RESOLUTION    10
+#define HAL_READ_ADC()        HAL_adc_get_result()
+#define HAL_ADC_READY()       true
 
 void HAL_adc_init();
-void HAL_adc_enable_channel(int pin);
-void HAL_adc_start_conversion(const uint8_t adc_pin);
+void HAL_adc_enable_channel(const uint8_t ch);
+void HAL_adc_start_conversion(const uint8_t ch);
 uint16_t HAL_adc_get_result();
 
 // Reset source
diff --git a/Marlin/src/HAL/HAL_SAMD51/HAL.cpp b/Marlin/src/HAL/HAL_SAMD51/HAL.cpp
index 1c53042f8..1894f6c7a 100644
--- a/Marlin/src/HAL/HAL_SAMD51/HAL.cpp
+++ b/Marlin/src/HAL/HAL_SAMD51/HAL.cpp
@@ -426,7 +426,7 @@ void HAL_adc_init() {
     memset(HAL_adc_results, 0xFF, sizeof(HAL_adc_results));                 // Fill result with invalid values
 
     for (uint8_t pi = 0; pi < COUNT(adc_pins); ++pi)
-        pinPeripheral(adc_pins[pi], PIO_ANALOG);
+      pinPeripheral(adc_pins[pi], PIO_ANALOG);
 
     for (uint8_t ai = FIRST_ADC; ai <= LAST_ADC; ++ai) {
       Adc* adc = ((Adc*[])ADC_INSTS)[ai];
@@ -471,8 +471,4 @@ void HAL_adc_start_conversion(const uint8_t adc_pin) {
   HAL_adc_result = 0xFFFF;
 }
 
-uint16_t HAL_adc_get_result() {
-  return HAL_adc_result;
-}
-
 #endif // __SAMD51__
diff --git a/Marlin/src/HAL/HAL_SAMD51/HAL.h b/Marlin/src/HAL/HAL_SAMD51/HAL.h
index d193e5869..37437cb75 100644
--- a/Marlin/src/HAL/HAL_SAMD51/HAL.h
+++ b/Marlin/src/HAL/HAL_SAMD51/HAL.h
@@ -135,7 +135,7 @@ void HAL_adc_init();
 #define HAL_ADC_READY()     true
 
 void HAL_adc_start_conversion(const uint8_t adc_pin);
-uint16_t HAL_adc_get_result();
+inline uint16_t HAL_adc_get_result() { return HAL_adc_result; }
 
 //
 // Pin Map
diff --git a/Marlin/src/HAL/HAL_TEENSY35_36/HAL.cpp b/Marlin/src/HAL/HAL_TEENSY35_36/HAL.cpp
index 584894479..34d235463 100644
--- a/Marlin/src/HAL/HAL_TEENSY35_36/HAL.cpp
+++ b/Marlin/src/HAL/HAL_TEENSY35_36/HAL.cpp
@@ -94,7 +94,7 @@ extern "C" {
 }
 
 void HAL_adc_start_conversion(const uint8_t adc_pin) {
-  uint16_t pin = pin2sc1a[adc_pin];
+  const uint16_t pin = pin2sc1a[adc_pin];
   if (pin == 0xFF) {
     // Digital only
     HAL_adc_select = -1;
diff --git a/buildroot/bin/backup_ramps b/buildroot/bin/backup_ramps
deleted file mode 100755
index b376bb74b..000000000
--- a/buildroot/bin/backup_ramps
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-
-PINS="Marlin/src/pins"
-RAMPS="$PINS/ramps/pins_RAMPS.h"
-BKUP="$PINS/ramps/pins_RAMPS.backup.h"
-
-[[ -f $RAMPS ]] && cp "$RAMPS" "$BKUP"
diff --git a/buildroot/bin/build_marlin b/buildroot/bin/build_marlin
deleted file mode 100755
index 325534629..000000000
--- a/buildroot/bin/build_marlin
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/usr/bin/env bash
-
-case "$#" in
-  0 ) BOARD=arduino:avr:mega:cpu=atmega2560 ;;
-  * ) BOARD=arduino:avr:$1 ;;
-esac
-
-arduino --verify --board $BOARD Marlin/Marlin.ino
diff --git a/buildroot/bin/build_marlin_fail b/buildroot/bin/build_marlin_fail
deleted file mode 100755
index e18105cdd..000000000
--- a/buildroot/bin/build_marlin_fail
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/usr/bin/env bash
-
-build_marlin $@ && exit 0
-exit 1
diff --git a/buildroot/bin/build_marlin_pio b/buildroot/bin/build_marlin_pio
deleted file mode 100755
index b3c113c2f..000000000
--- a/buildroot/bin/build_marlin_pio
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/usr/bin/env bash
-
-platformio run --project-dir $@ --silent
diff --git a/buildroot/bin/build_marlin_teensy35 b/buildroot/bin/build_marlin_teensy35
deleted file mode 100755
index ed6e95cd2..000000000
--- a/buildroot/bin/build_marlin_teensy35
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/usr/bin/env bash
-
-arduino --verify --board teensy:avr:teensy35:usb=serial,speed=120,opt=o1std,keys=en-us Marlin/Marlin.ino
diff --git a/buildroot/bin/env_backup b/buildroot/bin/env_backup
deleted file mode 100755
index 164582de6..000000000
--- a/buildroot/bin/env_backup
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-
-[ -z "$1" ] || cd $1
-
-if [ -d ".test" ]; then
-  printf "\033[0;31mEnvironment backup already exists!\033[0m\n"
-else
-  mkdir .test
-  cp Marlin/Configuration*.h .test/
-  [ -f Marlin/_Bootscreen.h ] && cp Marlin/_Bootscreen.h .test/
-  [ -f Marlin/_Statusscreen.h ] && cp Marlin/_Statusscreen.h .test/
-  cp -r Marlin/src/pins .test/pins
-  printf "\033[0;32mEnvironment Backup created\033[0m\n"
-fi
diff --git a/buildroot/bin/env_clean b/buildroot/bin/env_clean
deleted file mode 100755
index 721aa762d..000000000
--- a/buildroot/bin/env_clean
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/usr/bin/env bash
-
-rm -rf .pioenvs
-rm -rf .piolibdeps
-rm -rf .piolib
-rm -rf .pio
-
-if [[ $1 = "--deep" ]]; then
-  rm -rf ~/.platformio/packages/*
-  rm -rf ~/.platformio/platforms/*
-  rm -rf ~/.platformio/.cache/*
-fi
diff --git a/buildroot/bin/env_restore b/buildroot/bin/env_restore
deleted file mode 100755
index defc6d843..000000000
--- a/buildroot/bin/env_restore
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/usr/bin/env bash
-
-[ -z "$1" ] || cd $1
-
-if [ -d ".test" ]; then
-  cp .test/Configuration*.h Marlin/
-  rm .test/Configuration*.h
-
-  if [ -f .test/_Bootscreen.h ]; then
-    cp .test/_Bootscreen.h Marlin/
-    rm .test/_Bootscreen.h
-  fi
-
-  if [ -f .test/_Statusscreen.h ]; then
-    cp .test/_Statusscreen.h Marlin/
-    rm .test/_Statusscreen.h
-  fi
-
-  cp -r .test/pins Marlin/src
-  rm -r .test/pins
-
-  rmdir .test
-  printf "\033[0;32mEnvironment Restored\033[0m\n"
-else
-  printf "\033[0;31mEnvironment Backup not available!\033[0m\n"
-fi
diff --git a/buildroot/bin/restore_configs b/buildroot/bin/restore_configs
index 5e24d8d7c..b2d0ea19a 100755
--- a/buildroot/bin/restore_configs
+++ b/buildroot/bin/restore_configs
@@ -1,17 +1,5 @@
 #!/usr/bin/env bash
 
-RESTORE="https://raw.githubusercontent.com/MarlinFirmware/Configurations/master/config/default"
-
-cd Marlin
-
-rm -f Conf*.h _*screen.h
-
-PINS="src/pins"
-RAMPS="$PINS/ramps/pins_RAMPS.h"
-BKUP="$PINS/ramps/pins_RAMPS.backup.h"
-[ -f $BKUP ] && { cp "$BKUP" "$RAMPS" ; rm -f $BKUP ; }
-
-wget -q "$RESTORE/Configuration.h" -O Configuration.h
-wget -q "$RESTORE/Configuration_adv.h" -O Configuration_adv.h
-
-cd - >/dev/null
+git checkout Marlin/Configuration*.h 2>/dev/null
+git checkout Marlin/src/pins/ramps/pins_RAMPS.h 2>/dev/null
+rm -f Marlin/_Bootscreen.h Marlin/_Statusscreen.h
diff --git a/buildroot/bin/update_defaults b/buildroot/bin/update_defaults
deleted file mode 100755
index 4442a54e4..000000000
--- a/buildroot/bin/update_defaults
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/usr/bin/env bash
-
-cp Marlin/Configuration*.h config/default
diff --git a/buildroot/share/tests/DUE-tests b/buildroot/share/tests/DUE-tests
index 756e7a949..b130f7504 100755
--- a/buildroot/share/tests/DUE-tests
+++ b/buildroot/share/tests/DUE-tests
@@ -6,8 +6,6 @@
 # exit on first failure
 set -e
 
-backup_ramps     # pins_set is used below...
-
 restore_configs
 opt_set LCD_LANGUAGE bg
 opt_set MOTHERBOARD BOARD_RAMPS4DUE_EFB
diff --git a/buildroot/share/tests/run_tests b/buildroot/share/tests/run_tests
index 229cfb588..d4ea8925e 100755
--- a/buildroot/share/tests/run_tests
+++ b/buildroot/share/tests/run_tests
@@ -10,11 +10,11 @@ set -e
 
 exec_test () {
   printf "\n\033[0;32m[Test $2] \033[0m$3...\n"
-  if build_marlin_pio $1 "-e $2"; then
+  if platformio run --project-dir $1 "-e $2" --silent; then
     printf "\033[0;32mPassed\033[0m\n"
     return 0
   else
-    env_restore
+    git reset --hard HEAD
     printf "\033[0;31mFailed!\033[0m\n"
     return 1
   fi
@@ -23,26 +23,19 @@ export -f exec_test
 
 printf "Running \033[0;32m$2\033[0m Tests\n"
 
-if [[ $3 = "--deep-clean" ]]; then
-  echo "Deleting all PlatformIO caches, downloads and installed packages..."
-  env_clean --deep
-fi
-
 if [[ $2 = "ALL" ]]; then
   dir_list=("$(dirname "${BASH_SOURCE[0]}")"/*)
   declare -a tests=(${dir_list[@]/*run_tests/})
   for f in "${tests[@]}"; do
-    env_backup
     testenv=$(basename $f | cut -d"-" -f1)
     printf "Running \033[0;32m$f\033[0m Tests\n"
     exec_test $1 "$testenv --target clean" "Setup Build Environment"
     $f $1 $testenv
-    env_restore
+    git reset --hard HEAD
   done
 else
-  env_backup
   exec_test $1 "$2 --target clean" "Setup Build Environment"
   $2-tests $1 $2
-  env_restore
+  git reset --hard HEAD
 fi
 printf "\033[0;32mAll tests completed successfully\033[0m\n"
diff --git a/buildroot/share/tests/teensy31-tests b/buildroot/share/tests/teensy31-tests
index a847d6f57..be377b15a 100755
--- a/buildroot/share/tests/teensy31-tests
+++ b/buildroot/share/tests/teensy31-tests
@@ -6,8 +6,6 @@
 # exit on first failure
 set -e
 
-backup_ramps
-
 restore_configs
 opt_set MOTHERBOARD BOARD_TEENSY31_32
 exec_test $1 $2 "Teensy3.1 with default config"
diff --git a/buildroot/share/tests/teensy35-tests b/buildroot/share/tests/teensy35-tests
index 9661666c4..f72840873 100755
--- a/buildroot/share/tests/teensy35-tests
+++ b/buildroot/share/tests/teensy35-tests
@@ -6,8 +6,6 @@
 # exit on first failure
 set -e
 
-backup_ramps
-
 restore_configs
 opt_set MOTHERBOARD BOARD_TEENSY35_36
 exec_test $1 $2 "Teensy3.5 with default config"