diff --git a/arch/arm/src/tiva/hardware/lm/lm3s_flash.h b/arch/arm/src/tiva/hardware/lm/lm3s_flash.h
index 0e1408db9b9..5c603e6b1c1 100644
--- a/arch/arm/src/tiva/hardware/lm/lm3s_flash.h
+++ b/arch/arm/src/tiva/hardware/lm/lm3s_flash.h
@@ -58,9 +58,6 @@
 
 #  define TIVA_FLASH_NPAGES        256
 #  define TIVA_FLASH_PAGESIZE      1024
-
-#else
-#  warning "No flash dimensions defined for selected chip."
 #endif
 
 #define TIVA_FLASH_SIZE            (TIVA_FLASH_NPAGES * TIVA_FLASH_PAGESIZE)
diff --git a/arch/arm/src/tiva/hardware/tm4c/tm4c_flash.h b/arch/arm/src/tiva/hardware/tm4c/tm4c_flash.h
index 3626372a37c..3637d627ee0 100644
--- a/arch/arm/src/tiva/hardware/tm4c/tm4c_flash.h
+++ b/arch/arm/src/tiva/hardware/tm4c/tm4c_flash.h
@@ -64,9 +64,6 @@
 #  define TIVA_FLASH_NPAGES        64
 #  define TIVA_FLASH_PAGESIZE      16384
 #  define FLASH_PROTECT_SIZE       2048
-
-#else
-#  warning "No flash dimensions defined for selected chip."
 #endif
 
 #define TIVA_FLASH_SIZE            (TIVA_FLASH_NPAGES * TIVA_FLASH_PAGESIZE)