diff --git a/examples/stm32/nucleo-f746zg-keil-freertos-lwip/mongoose_custom.h b/examples/stm32/nucleo-f746zg-keil-freertos-lwip/mongoose_custom.h
index b8e0019f..154bb5c4 100644
--- a/examples/stm32/nucleo-f746zg-keil-freertos-lwip/mongoose_custom.h
+++ b/examples/stm32/nucleo-f746zg-keil-freertos-lwip/mongoose_custom.h
@@ -75,4 +75,4 @@
 
 
 // Add your customization below this comment
-#define MG_ENABLE_DRIVER_STM32 1
+
diff --git a/examples/stm32/nucleo-f746zg-keil-freertos-tcp/mongoose_custom.h b/examples/stm32/nucleo-f746zg-keil-freertos-tcp/mongoose_custom.h
index 35353103..4c87f8fa 100644
--- a/examples/stm32/nucleo-f746zg-keil-freertos-tcp/mongoose_custom.h
+++ b/examples/stm32/nucleo-f746zg-keil-freertos-tcp/mongoose_custom.h
@@ -75,4 +75,4 @@
 
 
 // Add your customization below this comment
-#define MG_ENABLE_DRIVER_STM32 1
+
diff --git a/examples/stm32/nucleo-f746zg-keil-freertos_cmsis2-lwip/mongoose_custom.h b/examples/stm32/nucleo-f746zg-keil-freertos_cmsis2-lwip/mongoose_custom.h
index eb12e4be..948dddfe 100644
--- a/examples/stm32/nucleo-f746zg-keil-freertos_cmsis2-lwip/mongoose_custom.h
+++ b/examples/stm32/nucleo-f746zg-keil-freertos_cmsis2-lwip/mongoose_custom.h
@@ -75,4 +75,4 @@
 
 
 // Add your customization below this comment
-#define MG_ENABLE_DRIVER_STM32 1
+
diff --git a/examples/stm32/nucleo-f746zg-keil-rtx-mdk/mongoose_custom.h b/examples/stm32/nucleo-f746zg-keil-rtx-mdk/mongoose_custom.h
index 2fddc3ba..8e5a9871 100644
--- a/examples/stm32/nucleo-f746zg-keil-rtx-mdk/mongoose_custom.h
+++ b/examples/stm32/nucleo-f746zg-keil-rtx-mdk/mongoose_custom.h
@@ -75,4 +75,4 @@
 
 
 // Add your customization below this comment
-#define MG_ENABLE_DRIVER_STM32 1
+
diff --git a/examples/stm32/nucleo-f746zg-keil-rtx5-lwip/mongoose_custom.h b/examples/stm32/nucleo-f746zg-keil-rtx5-lwip/mongoose_custom.h
index fe746ae8..948dddfe 100644
--- a/examples/stm32/nucleo-f746zg-keil-rtx5-lwip/mongoose_custom.h
+++ b/examples/stm32/nucleo-f746zg-keil-rtx5-lwip/mongoose_custom.h
@@ -65,7 +65,6 @@
 #endif
 #if MG_CMSISPACK_NET == 0
 #define MG_ENABLE_TCPIP 1
-#define MG_ENABLE_DRIVER_STM32 1
 #elif MG_CMSISPACK_NET == 1
 #define MG_ENABLE_LWIP 1
 #elif MG_CMSISPACK_NET == 2
@@ -76,4 +75,4 @@
 
 
 // Add your customization below this comment
-#define MG_ENABLE_DRIVER_STM32 1
+
diff --git a/examples/stm32/nucleo-f746zg-keil-rtx5-mdk/mongoose_custom.h b/examples/stm32/nucleo-f746zg-keil-rtx5-mdk/mongoose_custom.h
index 9221a987..067d228c 100644
--- a/examples/stm32/nucleo-f746zg-keil-rtx5-mdk/mongoose_custom.h
+++ b/examples/stm32/nucleo-f746zg-keil-rtx5-mdk/mongoose_custom.h
@@ -75,4 +75,4 @@
 
 
 // Add your customization below this comment
-#define MG_ENABLE_DRIVER_STM32 1
+