diff --git a/Marlin/src/pins/pins.h b/Marlin/src/pins/pins.h
index 49d91e493a2a..6d9049c7648e 100644
--- a/Marlin/src/pins/pins.h
+++ b/Marlin/src/pins/pins.h
@@ -513,17 +513,17 @@
 #elif MB(MKS_ROBIN_E3P)
   #include "stm32f1/pins_MKS_ROBIN_E3P.h"       // STM32F1                                env:mks_robin_e3p
 #elif MB(BTT_SKR_MINI_V1_1)
-  #include "stm32f1/pins_BTT_SKR_MINI_V1_1.h"   // STM32F1                                env:STM32F103RC_btt env:STM32F103RC_btt_512K env:STM32F103RC_btt_maple env:STM32F103RC_btt_512K_maple env:STM32F103RC_btt_USB_maple env:STM32F103RC_btt_512K_USB_maple
+  #include "stm32f1/pins_BTT_SKR_MINI_V1_1.h"   // STM32F1                                env:STM32F103RC_btt env:STM32F103RC_btt_maple env:STM32F103RC_btt_USB_maple
 #elif MB(BTT_SKR_MINI_E3_V1_0)
-  #include "stm32f1/pins_BTT_SKR_MINI_E3_V1_0.h"  // STM32F1                              env:STM32F103RC_btt env:STM32F103RC_btt_512K env:STM32F103RC_btt_maple env:STM32F103RC_btt_512K_maple env:STM32F103RC_btt_USB_maple env:STM32F103RC_btt_512K_USB_maple
+  #include "stm32f1/pins_BTT_SKR_MINI_E3_V1_0.h"  // STM32F1                              env:STM32F103RC_btt env:STM32F103RC_btt_maple env:STM32F103RC_btt_USB_maple
 #elif MB(BTT_SKR_MINI_E3_V1_2)
-  #include "stm32f1/pins_BTT_SKR_MINI_E3_V1_2.h"  // STM32F1                              env:STM32F103RC_btt env:STM32F103RC_btt_512K env:STM32F103RC_btt_maple env:STM32F103RC_btt_512K_maple env:STM32F103RC_btt_USB_maple env:STM32F103RC_btt_512K_USB_maple
+  #include "stm32f1/pins_BTT_SKR_MINI_E3_V1_2.h"  // STM32F1                              env:STM32F103RC_btt env:STM32F103RC_btt_maple env:STM32F103RC_btt_USB_maple
 #elif MB(BTT_SKR_MINI_E3_V2_0)
-  #include "stm32f1/pins_BTT_SKR_MINI_E3_V2_0.h"  // STM32F1                              env:STM32F103RC_btt env:STM32F103RC_btt_512K env:STM32F103RC_btt_maple env:STM32F103RC_btt_512K_maple env:STM32F103RC_btt_USB_maple env:STM32F103RC_btt_512K_USB_maple
+  #include "stm32f1/pins_BTT_SKR_MINI_E3_V2_0.h"  // STM32F1                              env:STM32F103RC_btt env:STM32F103RC_btt_maple env:STM32F103RC_btt_USB_maple
 #elif MB(BTT_SKR_MINI_MZ_V1_0)
-  #include "stm32f1/pins_BTT_SKR_MINI_MZ_V1_0.h"  // STM32F1                              env:STM32F103RC_btt env:STM32F103RC_btt_512K env:STM32F103RC_btt_maple env:STM32F103RC_btt_512K_maple env:STM32F103RC_btt_USB_maple env:STM32F103RC_btt_512K_USB_maple
+  #include "stm32f1/pins_BTT_SKR_MINI_MZ_V1_0.h"  // STM32F1                              env:STM32F103RC_btt env:STM32F103RC_btt_maple env:STM32F103RC_btt_USB_maple
 #elif MB(BTT_SKR_E3_DIP)
-  #include "stm32f1/pins_BTT_SKR_E3_DIP.h"      // STM32F1                                env:STM32F103RE_btt env:STM32F103RE_btt_USB env:STM32F103RC_btt env:STM32F103RC_btt_512K
+  #include "stm32f1/pins_BTT_SKR_E3_DIP.h"      // STM32F1                                env:STM32F103RE_btt env:STM32F103RE_btt_USB env:STM32F103RC_btt_maple env:STM32F103RC_btt_USB_maple
 #elif MB(BTT_SKR_CR6)
   #include "stm32f1/pins_BTT_SKR_CR6.h"         // STM32F1                                env:STM32F103RE_btt env:STM32F103RE_btt_USB
 #elif MB(JGAURORA_A5S_A1)
diff --git a/ini/stm32f1-maple.ini b/ini/stm32f1-maple.ini
index 7a43e2d0cb13..64ae7cd04e10 100644
--- a/ini/stm32f1-maple.ini
+++ b/ini/stm32f1-maple.ini
@@ -89,13 +89,6 @@ upload_protocol   = serial
 #
 #   STM32F103RC_btt_maple ............. RCT6 with 256K
 #   STM32F103RC_btt_USB_maple ......... RCT6 with 256K (USB mass storage)
-#   STM32F103RC_btt_512K_maple ........ RCT6 with 512K
-#   STM32F103RC_btt_512K_USB_maple .... RCT6 with 512K (USB mass storage)
-#
-# WARNING! If you have an SKR Mini v1.1 or an SKR Mini E3 1.0 / 1.2 / 2.0 / DIP
-# and experience a printer freeze, re-flash Marlin using the regular (non-512K)
-# build option. 256K chips may be re-branded 512K chips, but this means the
-# upper 256K is sketchy, and failure is very likely.
 #
 
 [env:STM32F103RC_btt_maple]
@@ -116,20 +109,6 @@ build_flags       = ${env:STM32F103RC_btt_maple.build_flags} -DUSE_USB_COMPOSITE
 lib_deps          = ${env:STM32F103RC_btt_maple.lib_deps}
   USBComposite for STM32F1@0.91
 
-[env:STM32F103RC_btt_512K_maple]
-platform                  = ${common_stm32f1.platform}
-extends                   = env:STM32F103RC_btt_maple
-board_build.ldscript      = STM32F103RC_SKR_MINI_512K.ld
-board_upload.maximum_size = 524288
-build_flags               = ${env:STM32F103RC_btt_maple.build_flags} -DSTM32_FLASH_SIZE=512
-
-[env:STM32F103RC_btt_512K_USB_maple]
-platform          = ${common_stm32f1.platform}
-extends           = env:STM32F103RC_btt_512K_maple
-build_flags       = ${env:STM32F103RC_btt_512K_maple.build_flags} -DUSE_USB_COMPOSITE
-lib_deps          = ${env:STM32F103RC_btt_512K_maple.lib_deps}
-  USBComposite for STM32F1@0.91
-
 #
 # Generic STM32F103RE environment
 #
diff --git a/ini/stm32f1.ini b/ini/stm32f1.ini
index 161e59b2e3a3..013652fd2653 100644
--- a/ini/stm32f1.ini
+++ b/ini/stm32f1.ini
@@ -32,19 +32,6 @@ build_flags   = ${common.build_flags}
 build_unflags = -std=gnu++11
 src_filter    = ${common.default_src_filter} +<src/HAL/STM32> +<src/HAL/shared/backtrace>
 
-#
-# BigTree SKR Mini V1.1 / SKR mini E3 / SKR E3 DIP (STM32F103RCT6 ARM Cortex-M3)
-#
-#   STM32F103RC_btt ............. RCT6 with 256K
-#   STM32F103RC_btt_USB ......... RCT6 with 256K (USB mass storage)
-#   STM32F103RC_btt_512K ........ RCT6 with 512K
-#   STM32F103RC_btt_512K_USB .... RCT6 with 512K (USB mass storage)
-#
-# WARNING! If you have an SKR Mini v1.1 or an SKR Mini E3 1.0 / 1.2 / 2.0 / DIP
-# and experience a printer freeze, re-flash Marlin using the regular (non-512K)
-# build option. 256K chips may be re-branded 512K chips, but this means the
-# upper 256K is sketchy, and failure is very likely.
-#
 [common_STM32F103RC]
 platform             = ${common_stm32.platform}
 extends              = common_stm32
@@ -84,6 +71,12 @@ extends           = common_stm32
 board             = genericSTM32F103ZE
 monitor_speed     = 115200
 
+#
+# BigTree SKR Mini V1.1 / SKR mini E3 / SKR E3 DIP (STM32F103RCT6 ARM Cortex-M3)
+#
+#   STM32F103RC_btt ............. RCT6 with 256K
+#   STM32F103RC_btt_USB ......... RCT6 with 256K (USB mass storage)
+#
 [env:STM32F103RC_btt]
 platform             = ${common_stm32.platform}
 extends              = common_STM32F103RC
@@ -106,18 +99,6 @@ build_flags       = ${env:STM32F103RC_btt.build_flags} ${env:stm32_flash_drive.b
   -DUSE_USB_HS_IN_FS
   -DUSBD_USE_CDC_MSC
 
-[env:STM32F103RC_btt_512K]
-platform          = ${common_stm32.platform}
-extends           = env:STM32F103RC_btt
-board_upload.maximum_size = 524288
-build_flags       = ${env:STM32F103RC_btt.build_flags} -DLD_MAX_DATA_SIZE=524288 -DSTM32_FLASH_SIZE=512
-
-[env:STM32F103RC_btt_512K_USB]
-platform          = ${common_stm32.platform}
-extends           = env:STM32F103RC_btt_USB
-board_upload.maximum_size = 524288
-build_flags       = ${env:STM32F103RC_btt_USB.build_flags} -DLD_MAX_DATA_SIZE=524288 -DSTM32_FLASH_SIZE=512
-
 #
 # MKS Robin (STM32F103ZET6)
 # Uses HAL STM32 to support Marlin UI for TFT screen with optional touch panel