diff --git a/Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_shared_hw_spi.cpp b/Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_shared_hw_spi.cpp
index 7c91f746c61eb1055611ab19855807c4eda01657..0dab3bb412f18e6e4c05f0376b1698f7692207b5 100644
--- a/Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_shared_hw_spi.cpp
+++ b/Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_shared_hw_spi.cpp
@@ -62,10 +62,7 @@
 
 #if ENABLED(DOGLCD)
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 
 #include "../../Marlin.h"
 
diff --git a/Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_st7920_sw_spi.cpp b/Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_st7920_sw_spi.cpp
index 3466d8b1c3aa5472242b9621950aa7e867550d2a..df33f9db626a2d8e2a31684894ab369bf8101f33 100644
--- a/Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_st7920_sw_spi.cpp
+++ b/Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_st7920_sw_spi.cpp
@@ -59,10 +59,7 @@
 
 #if ENABLED(DOGLCD)
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 #include <Arduino.h>
 #include "../Delay.h"
 
diff --git a/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_hw_spi.cpp b/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_hw_spi.cpp
index d1100c4b90d04b2c45d1905ef3464e09b2914635..9cd913f74312769dd0602e8f880d350edbb573ec 100644
--- a/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_hw_spi.cpp
+++ b/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_hw_spi.cpp
@@ -60,10 +60,7 @@
 #if ENABLED(DOGLCD)
 
 //#include <inttypes.h>
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 
 #define SPI_FULL_SPEED 0
 #define SPI_HALF_SPEED 1
diff --git a/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp b/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp
index 0ed2b2ec2dcd0f08c61bd65c623a8d5ac97d4e5c..06399d39472cba9c74b2f5bf3160583668cff71f 100644
--- a/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp
+++ b/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp
@@ -81,10 +81,7 @@
 
 #if ENABLED(DOGLCD)
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 
 #define I2C_SLA         (0x3C*2)
 //#define I2C_CMD_MODE  0x080
diff --git a/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_st7920_hw_spi.cpp b/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_st7920_hw_spi.cpp
index 537da9763afad92ca23ceceb72b2dd12c61b1f4c..c61fa4a8cefa4eec7d477e99a40ed15783867bb9 100644
--- a/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_st7920_hw_spi.cpp
+++ b/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_st7920_hw_spi.cpp
@@ -60,10 +60,7 @@
 #if ENABLED(DOGLCD)
 
 //#include <inttypes.h>
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 #include "../Delay.h"
 
 #define SPI_FULL_SPEED 0
diff --git a/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_st7920_sw_spi.cpp b/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_st7920_sw_spi.cpp
index 32a0ec66fd86599d042da938208bb1723959128a..700ed5946320889943236a889c9f0aab540571ca 100644
--- a/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_st7920_sw_spi.cpp
+++ b/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_st7920_sw_spi.cpp
@@ -59,10 +59,7 @@
 
 #if ENABLED(DOGLCD)
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 #include "SoftwareSPI.h"
 #include "../Delay.h"
 
diff --git a/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_sw_spi.cpp b/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_sw_spi.cpp
index 476e1424012e81e67fbf2d690f3e2e316858b612..533ebda37cee1c6df98dc729a00b4ec2f0f0fccc 100644
--- a/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_sw_spi.cpp
+++ b/Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_sw_spi.cpp
@@ -59,10 +59,7 @@
 
 #if ENABLED(DOGLCD)
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 #include "SoftwareSPI.h"
 
 #define SPI_SPEED 2  // About 2 MHz
diff --git a/Marlin/src/lcd/dogm/u8g_dev_ssd1306_sh1106_128x64_I2C.cpp b/Marlin/src/lcd/dogm/u8g_dev_ssd1306_sh1106_128x64_I2C.cpp
index af1a8819fcae2de33c2c75c945c4e0df3c0acd35..3249068299eaf7ebde127164c52fd13dfc3a70c9 100644
--- a/Marlin/src/lcd/dogm/u8g_dev_ssd1306_sh1106_128x64_I2C.cpp
+++ b/Marlin/src/lcd/dogm/u8g_dev_ssd1306_sh1106_128x64_I2C.cpp
@@ -69,10 +69,7 @@
 
 #if ENABLED(DOGLCD)
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 #include "HAL_LCD_com_defines.h"
 
 #define WIDTH 128
diff --git a/Marlin/src/lcd/dogm/u8g_dev_st7565_64128n_HAL.cpp b/Marlin/src/lcd/dogm/u8g_dev_st7565_64128n_HAL.cpp
index 3273fc7dc39ceb44b6b6a404b9d57a40e71b32ec..fda5a79c9e48e45065453829b36a20c5a179874a 100644
--- a/Marlin/src/lcd/dogm/u8g_dev_st7565_64128n_HAL.cpp
+++ b/Marlin/src/lcd/dogm/u8g_dev_st7565_64128n_HAL.cpp
@@ -57,10 +57,7 @@
 
 #if ENABLED(DOGLCD)
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 
 #include "HAL_LCD_com_defines.h"
 
diff --git a/Marlin/src/lcd/dogm/u8g_dev_st7920_128x64_HAL.cpp b/Marlin/src/lcd/dogm/u8g_dev_st7920_128x64_HAL.cpp
index 774a709463cfc94cd66b833260469360b030f44b..86a9fd110b86c2efb9b40a85004f33c0ad494fe5 100644
--- a/Marlin/src/lcd/dogm/u8g_dev_st7920_128x64_HAL.cpp
+++ b/Marlin/src/lcd/dogm/u8g_dev_st7920_128x64_HAL.cpp
@@ -57,10 +57,7 @@
 
 #if ENABLED(DOGLCD)
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 
 #include "HAL_LCD_com_defines.h"
 
diff --git a/Marlin/src/lcd/dogm/u8g_dev_uc1701_mini12864_HAL.cpp b/Marlin/src/lcd/dogm/u8g_dev_uc1701_mini12864_HAL.cpp
index 36427a804001888539cb5013b1ce176083695c68..e58bb34fae94da4173bcb300805b98867ed3d55d 100644
--- a/Marlin/src/lcd/dogm/u8g_dev_uc1701_mini12864_HAL.cpp
+++ b/Marlin/src/lcd/dogm/u8g_dev_uc1701_mini12864_HAL.cpp
@@ -61,10 +61,7 @@
 
 #if ENABLED(DOGLCD)
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 
 #include "HAL_LCD_com_defines.h"
 
diff --git a/Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp b/Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp
index 3448eac11e95ee5469449ce31756ee87fbcd28c4..71f61a08c33730dd7e962af8c69b2fe0504896a5 100644
--- a/Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp
+++ b/Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp
@@ -42,10 +42,7 @@
 #define LCD_PIXEL_WIDTH 128
 #define LCD_PIXEL_HEIGHT 64
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 
 //set optimization so ARDUINO optimizes this file
 #pragma GCC optimize (3)
diff --git a/Marlin/src/lcd/lcdprint_u8g.cpp b/Marlin/src/lcd/lcdprint_u8g.cpp
index 2a1c44b8c94b3da738696bfe36d78061c891625f..37ddd4f08870cd71c38adec6e468ce77442be09b 100644
--- a/Marlin/src/lcd/lcdprint_u8g.cpp
+++ b/Marlin/src/lcd/lcdprint_u8g.cpp
@@ -11,10 +11,7 @@
 
 #if ENABLED(DOGLCD)
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 extern U8GLIB *pu8g;
 #define _lcd_write(a) pu8g->print(a)
 #define _lcd_setcursor(col, row) pu8g->setPrintPos((col), (row));
diff --git a/Marlin/src/lcd/ultralcd_impl_DOGM.h b/Marlin/src/lcd/ultralcd_impl_DOGM.h
index 436b16f56e514d532ed940068d79ee058c92a30e..06d8342e9263ecf38f560d3cb3dd417264dfde08 100644
--- a/Marlin/src/lcd/ultralcd_impl_DOGM.h
+++ b/Marlin/src/lcd/ultralcd_impl_DOGM.h
@@ -58,10 +58,7 @@
   #include "../libs/duration_t.h"
 #endif
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wuninitialized"
 #include <U8glib.h>
-#pragma GCC diagnostic pop
 
 #include "fontutils.h"
 #include "u8g_fontutf8.h"