diff --git a/arch/arm/src/stm32/chip/stm32f103ze_pinmap.h b/arch/arm/src/stm32/chip/stm32f103ze_pinmap.h
index c6d4a727aac..3caf54279a1 100644
--- a/arch/arm/src/stm32/chip/stm32f103ze_pinmap.h
+++ b/arch/arm/src/stm32/chip/stm32f103ze_pinmap.h
@@ -46,13 +46,7 @@
  * Pre-processor Definitions
  ************************************************************************************/
 
-/* Alternate Pin Functions */
-
-/* Additional effort is required to select specific GPIO options such as frequency,
- * open-drain/push-pull, and pull-up/down!
- */
-
-#warning "Missing logic"
+/* Alternate Pin Functions: */
 
 /* TIMERS */
 
diff --git a/arch/arm/src/stm32/chip/stm32f40xxx_pinmap.h b/arch/arm/src/stm32/chip/stm32f40xxx_pinmap.h
index ec02146a3ca..ee0ed7daade 100644
--- a/arch/arm/src/stm32/chip/stm32f40xxx_pinmap.h
+++ b/arch/arm/src/stm32/chip/stm32f40xxx_pinmap.h
@@ -62,6 +62,12 @@
  * The driver will then automatically configre PA11 as the CAN1 RX pin.
  */
 
+/* Additional effort is required to select specific GPIO options such as frequency,
+ * open-drain/push-pull, and pull-up/down!
+ */
+
+#warning "Missing logic"
+
 /* CAN */
 
 #define GPIO_CAN1_RX_1        (GPIO_ALT|GPIO_AF9|GPIO_PORTA|GPIO_PIN11)