diff --git a/lib/cgo/tests/testutils/common.c b/lib/cgo/tests/testutils/common.c
index d55b1cf16..bc9a03289 100644
--- a/lib/cgo/tests/testutils/common.c
+++ b/lib/cgo/tests/testutils/common.c
@@ -3,6 +3,9 @@
 #include <string.h>
 #include <stdio.h>
 
+int MEMPOOLIDX = 0;
+void *MEMPOOL[1024 * 256];
+
 GoInt_ isU8Eq(unsigned char p1[], unsigned char p2[], size_t len) {
 
   if (strncmp(p1, p2, len) == 0) {
@@ -13,3 +16,15 @@ GoInt_ isU8Eq(unsigned char p1[], unsigned char p2[], size_t len) {
   printf("p2 %s\n", p2);
   return 0;
 }
+
+void * registerMemCleanup(void *p) {
+  int i;
+  for (i = 0; i < MEMPOOLIDX; i++) {
+    if(MEMPOOL[i] == NULL){
+      MEMPOOL[i] = p;
+      return p;
+    }
+  }
+  MEMPOOL[MEMPOOLIDX++] = p;
+  return p;
+}
diff --git a/lib/cgo/tests/testutils/libsky_testutil.c b/lib/cgo/tests/testutils/libsky_testutil.c
index 17240924d..712bd8b69 100644
--- a/lib/cgo/tests/testutils/libsky_testutil.c
+++ b/lib/cgo/tests/testutils/libsky_testutil.c
@@ -20,8 +20,8 @@
 //Define function SKY_handle_close to avoid including libskycoin.h
 void SKY_handle_close(Handle p0);
 
-int MEMPOOLIDX = 0;
-void *MEMPOOL[1024 * 256];
+extern int MEMPOOLIDX = 0;
+extern void *MEMPOOL[1024 * 256];
 
 int JSONPOOLIDX = 0;
 json_value* JSON_POOL[128];
@@ -40,18 +40,6 @@ wallet_register WALLET_POOL[64];
 int stdout_backup;
 int pipefd[2];
 
-void * registerMemCleanup(void *p) {
-  int i;
-  for (i = 0; i < MEMPOOLIDX; i++) {
-    if(MEMPOOL[i] == NULL){
-      MEMPOOL[i] = p;
-      return p;
-    }
-  }
-  MEMPOOL[MEMPOOLIDX++] = p;
-  return p;
-}
-
 void freeRegisteredMemCleanup(void *p){
   int i;
   for (i = 0; i < MEMPOOLIDX; i++) {