diff --git a/Marlin/src/config/examples/BQ/Hephestos_2/_Bootscreen.h b/Marlin/src/config/examples/BQ/Hephestos_2/_Bootscreen.h
index 23ebd8413..3ba0129ea 100644
--- a/Marlin/src/config/examples/BQ/Hephestos_2/_Bootscreen.h
+++ b/Marlin/src/config/examples/BQ/Hephestos_2/_Bootscreen.h
@@ -29,7 +29,6 @@
  * Use the Marlin Bitmap Converter to make your own:
  * http://marlinfw.org/tools/u8glib/converter.html
  */
-#include <avr/pgmspace.h>
 
 #define CUSTOM_BOOTSCREEN_BMPWIDTH  62
 
diff --git a/Marlin/src/config/examples/Cartesio/_Bootscreen.h b/Marlin/src/config/examples/Cartesio/_Bootscreen.h
index 116980c82..e0efd8376 100644
--- a/Marlin/src/config/examples/Cartesio/_Bootscreen.h
+++ b/Marlin/src/config/examples/Cartesio/_Bootscreen.h
@@ -29,7 +29,6 @@
  * Use the Marlin Bitmap Converter to make your own:
  * http://marlinfw.org/tools/u8glib/converter.html
  */
-#include <avr/pgmspace.h>
 
 #define CUSTOM_BOOTSCREEN_BMPWIDTH  64
 
diff --git a/Marlin/src/config/examples/MakerParts/_Bootscreen.h b/Marlin/src/config/examples/MakerParts/_Bootscreen.h
index 26829dfa7..5ddf5c7ff 100644
--- a/Marlin/src/config/examples/MakerParts/_Bootscreen.h
+++ b/Marlin/src/config/examples/MakerParts/_Bootscreen.h
@@ -29,7 +29,6 @@
  * Use the Marlin Bitmap Converter to make your own:
  * http://marlinfw.org/tools/u8glib/converter.html
  */
-#include <avr/pgmspace.h>
 
 #define CUSTOM_BOOTSCREEN_BMPWIDTH  128
 
diff --git a/Marlin/src/config/examples/Malyan/M150/_Bootscreen.h b/Marlin/src/config/examples/Malyan/M150/_Bootscreen.h
index 01b6693f1..678a7a106 100644
--- a/Marlin/src/config/examples/Malyan/M150/_Bootscreen.h
+++ b/Marlin/src/config/examples/Malyan/M150/_Bootscreen.h
@@ -29,7 +29,6 @@
  * Use the Marlin Bitmap Converter to make your own:
  * http://marlinfw.org/tools/u8glib/converter.html
  */
-#include <avr/pgmspace.h>
 
 #define CUSTOM_BOOTSCREEN_TIMEOUT   1000
 #define CUSTOM_BOOTSCREEN_BMPWIDTH  128
diff --git a/Marlin/src/config/examples/gCreate/gMax1.5+/_Bootscreen.h b/Marlin/src/config/examples/gCreate/gMax1.5+/_Bootscreen.h
index f08d25979..9fa6b953a 100644
--- a/Marlin/src/config/examples/gCreate/gMax1.5+/_Bootscreen.h
+++ b/Marlin/src/config/examples/gCreate/gMax1.5+/_Bootscreen.h
@@ -29,7 +29,6 @@
  * Use the Marlin Bitmap Converter to make your own:
  * http://marlinfw.org/tools/u8glib/converter.html
  */
-#include <avr/pgmspace.h>
 
 #define CUSTOM_BOOTSCREEN_BMPWIDTH  112
 
diff --git a/frameworks/CMSIS/LPC1768/lib/WString.h b/frameworks/CMSIS/LPC1768/lib/WString.h
index 8a1876424..72089adf1 100644
--- a/frameworks/CMSIS/LPC1768/lib/WString.h
+++ b/frameworks/CMSIS/LPC1768/lib/WString.h
@@ -26,7 +26,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
-//#include <avr/pgmspace.h>
 
 // When compiling programs with this class, the following gcc parameters
 // dramatically increase performance and memory (RAM) efficiency, typically