diff --git a/devicemodel/core/mem.c b/devicemodel/core/mem.c
index c203400cb..0fdaba313 100644
--- a/devicemodel/core/mem.c
+++ b/devicemodel/core/mem.c
@@ -249,8 +249,7 @@ unregister_mem_int(struct mmio_rb_tree *rbt, struct mem_range *memp)
 			if (mmio_hint == entry)
 				mmio_hint = NULL;
 
-			if (entry)
-				free(entry);
+			free(entry);
 		}
 	}
 	pthread_rwlock_unlock(&mmio_rwlock);