diff --git a/Marlin/src/HAL/HAL_LPC1768/HardwareSerial.cpp b/Marlin/src/HAL/HAL_LPC1768/HardwareSerial.cpp
index b195fab1c..9d5c392f0 100644
--- a/Marlin/src/HAL/HAL_LPC1768/HardwareSerial.cpp
+++ b/Marlin/src/HAL/HAL_LPC1768/HardwareSerial.cpp
@@ -20,6 +20,8 @@
  *
  */
 
+#ifdef TARGET_LPC1768
+
 #include "../../../macros.h"
 #include "../HAL.h"
 #include "HardwareSerial.h"
@@ -634,3 +636,5 @@ void UART3_IRQHandler (void)
 #ifdef __cplusplus
 }
 #endif
+
+#endif // TARGET_LPC1768
diff --git a/Marlin/src/HAL/HAL_LPC1768/LPC1768_Servo.cpp b/Marlin/src/HAL/HAL_LPC1768/LPC1768_Servo.cpp
index 7c9af1708..a7765d24e 100644
--- a/Marlin/src/HAL/HAL_LPC1768/LPC1768_Servo.cpp
+++ b/Marlin/src/HAL/HAL_LPC1768/LPC1768_Servo.cpp
@@ -61,6 +61,7 @@
  *
  */
 
+#ifdef TARGET_LPC1768
 
 #if HAS_SERVOS
 
@@ -166,5 +167,5 @@
 
 #endif // HAS_SERVOS
 
-
+#endif // TARGET_LPC1768
 
diff --git a/Marlin/src/HAL/HAL_LPC1768/SoftwareSerial.cpp b/Marlin/src/HAL/HAL_LPC1768/SoftwareSerial.cpp
index 9b5eab549..f89d704f5 100644
--- a/Marlin/src/HAL/HAL_LPC1768/SoftwareSerial.cpp
+++ b/Marlin/src/HAL/HAL_LPC1768/SoftwareSerial.cpp
@@ -29,6 +29,7 @@ The latest version of this library can always be found at
 http://arduiniana.org.
 */
 
+#ifdef TARGET_LPC1768
 
 //
 // Includes
@@ -396,3 +397,5 @@ int SoftwareSerial::peek()
   // Read from "head"
   return _receive_buffer[_receive_buffer_head];
 }
+
+#endif // TARGET_LPC1768
diff --git a/Marlin/src/HAL/HAL_LPC1768/WInterrupts.cpp b/Marlin/src/HAL/HAL_LPC1768/WInterrupts.cpp
index cfb591b0a..7bf93c1a7 100644
--- a/Marlin/src/HAL/HAL_LPC1768/WInterrupts.cpp
+++ b/Marlin/src/HAL/HAL_LPC1768/WInterrupts.cpp
@@ -16,6 +16,8 @@
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
+#ifdef TARGET_LPC1768
+
 #include "../../../macros.h"
 #include "../HAL.h"
 #include "arduino.h"
@@ -222,3 +224,5 @@ return; //silences warning
 }
 }
 #endif
+
+#endif // TARGET_LPC1768
diff --git a/platformio.ini b/platformio.ini
index 33ce164e3..835e46319 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -25,7 +25,7 @@ lib_deps =
   https://github.com/lincomatic/LiquidTWI2.git
   https://github.com/teemuatlut/TMC2130Stepper.git
   https://github.com/adafruit/Adafruit_NeoPixel.git
-default_src_filter = +<*> -<example_configurations> -<src/HAL/HAL_*> -<frameworks>
+default_src_filter = +<*> -<example_configurations> -<frameworks>
 
 [env:megaatmega2560]
 platform = atmelavr
@@ -34,7 +34,7 @@ board = megaatmega2560
 build_flags = -I $BUILDSRC_DIR
 board_f_cpu = 16000000L
 lib_deps = ${common.lib_deps}
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_AVR>
+src_filter = ${common.default_src_filter}
 
 [env:megaatmega1280]
 platform = atmelavr
@@ -43,7 +43,7 @@ board = megaatmega1280
 build_flags = -I $BUILDSRC_DIR
 board_f_cpu = 16000000L
 lib_deps = ${common.lib_deps}
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_AVR>
+src_filter = ${common.default_src_filter}
 
 [env:printrboard]
 platform = teensy
@@ -53,7 +53,7 @@ build_flags = -I $BUILDSRC_DIR -D MOTHERBOARD=BOARD_PRINTRBOARD
 # Bug in arduino framework does not allow boards running at 20Mhz
 #board_f_cpu = 20000000L
 lib_deps = ${common.lib_deps}
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_AVR>
+src_filter = ${common.default_src_filter}
 
 [env:printrboard_revf]
 platform = teensy
@@ -68,7 +68,7 @@ framework = arduino
 board = teensy20pp
 build_flags = -I $BUILDSRC_DIR -D MOTHERBOARD=BOARD_BRAINWAVE_PRO
 lib_deps = ${common.lib_deps}
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_AVR>
+src_filter = ${common.default_src_filter}
 
 [env:rambo]
 platform = atmelavr
@@ -77,7 +77,7 @@ board = reprap_rambo
 build_flags = -I $BUILDSRC_DIR
 board_f_cpu = 16000000L
 lib_deps = ${common.lib_deps}
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_AVR>
+src_filter = ${common.default_src_filter}
 
 [env:anet10]
 platform = atmelavr
@@ -98,7 +98,7 @@ framework = arduino
 board = due
 build_flags = -I $BUILDSRC_DIR -D MOTHERBOARD=BOARD_RAMPS4DUE_EFB
 lib_deps = ${common.lib_deps}
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_DUE>
+src_filter = ${common.default_src_filter}
 
 [env:teensy35]
 platform = teensy
@@ -107,7 +107,7 @@ board = teensy35
 build_flags = -I $BUILDSRC_DIR
 lib_deps = ${common.lib_deps}
 lib_ignore = Adafruit NeoPixel
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_TEENSY35_36>
+src_filter = ${common.default_src_filter}
 
 [env:Re-ARM]
 platform = nxplpc
@@ -115,5 +115,5 @@ board_f_cpu = 100000000L
 build_flags = !python Marlin/src/HAL/HAL_LPC1768/lpc1768_flag_script.py
 lib_ldf_mode = off
 lib_deps = U8glib-ARM
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_LPC1768> +<frameworks/CMSIS/LPC1768>
+src_filter = ${common.default_src_filter} +<frameworks/CMSIS/LPC1768>
 extra_scripts = Marlin/src/HAL/HAL_LPC1768/lpc1768_flag_script.py