diff --git a/src/geohash_helper.c b/src/geohash_helper.c
index 6e8ca407..a65759bc 100644
--- a/src/geohash_helper.c
+++ b/src/geohash_helper.c
@@ -78,12 +78,6 @@ uint8_t geohashEstimateStepsByRadius(double range_meters, double lat) {
     return step;
 }
 
-int geohashBitsComparator(const GeoHashBits *a, const GeoHashBits *b) {
-    /* If step not equal, compare on step.  Else, compare on bits. */
-    return a->step != b->step ? (a->step - b->step) :
-                                ((int64_t)a->bits - (int64_t)b->bits);
-}
-
 int geohashBoundingBox(double longitude, double latitude, double radius_meters,
                        double *bounds) {
     if (!bounds) return 0;