diff --git a/src/zipmap.c b/src/zipmap.c
index be780a82..2e2cbc3b 100644
--- a/src/zipmap.c
+++ b/src/zipmap.c
@@ -360,6 +360,8 @@ unsigned int zipmapLen(unsigned char *zm) {
     return len;
 }
 
+#ifdef ZIPMAP_TEST_MAIN
+
 void zipmapRepr(unsigned char *p) {
     unsigned int l;
 
@@ -393,7 +395,6 @@ void zipmapRepr(unsigned char *p) {
     printf("\n");
 }
 
-#ifdef ZIPMAP_TEST_MAIN
 int main(void) {
     unsigned char *zm;
 
diff --git a/src/zipmap.h b/src/zipmap.h
index e5f6c9f2..089472ed 100644
--- a/src/zipmap.h
+++ b/src/zipmap.h
@@ -43,6 +43,5 @@ unsigned char *zipmapNext(unsigned char *zm, unsigned char **key, unsigned int *
 int zipmapGet(unsigned char *zm, unsigned char *key, unsigned int klen, unsigned char **value, unsigned int *vlen);
 int zipmapExists(unsigned char *zm, unsigned char *key, unsigned int klen);
 unsigned int zipmapLen(unsigned char *zm);
-void zipmapRepr(unsigned char *p);
 
 #endif