diff --git a/arch/arm/src/samv7/sam_trng.c b/arch/arm/src/samv7/sam_trng.c
index 098cf0ae68b..d6cc16eb0b4 100644
--- a/arch/arm/src/samv7/sam_trng.c
+++ b/arch/arm/src/samv7/sam_trng.c
@@ -453,3 +453,4 @@ void devurandom_register(void)
 #endif
 
 #endif /* CONFIG_DEV_RANDOM || CONFIG_DEV_URANDOM_ARCH */
+#endif /* CONFIG_SAMV7_TRNG */