diff --git a/mem.c b/mem.c
index 196014c..3d70c2f 100644
--- a/mem.c
+++ b/mem.c
@@ -18,7 +18,6 @@ void segfault_handler(int signal_num) {
 }
 #define IMPL_TRY_DEREF(type) \
   int tryDereference(type* pointer, type* output) { \
-  type val;\
   if(setjmp(env_buffer) == 0) {\
     enable_handler = 1;\
     *output = *pointer;\