diff --git a/arch/arm/src/samdl/samd_clockconfig.c b/arch/arm/src/samdl/samd_clockconfig.c
index d44122719c1..88483f434c8 100644
--- a/arch/arm/src/samdl/samd_clockconfig.c
+++ b/arch/arm/src/samdl/samd_clockconfig.c
@@ -745,7 +745,6 @@ static inline void sam_dfll_reference(void)
 #ifdef BOARD_GCLK_ENABLE
 static inline void sam_config_gclks(void)
 {
-  uint32_t regval;
   int i;
 
   /* Turn on the GCLK interface clock */