diff --git a/src/__comm__/_str_hash.scad b/src/__comm__/_str_hash.scad
index 34082f1c..acb12883 100644
--- a/src/__comm__/_str_hash.scad
+++ b/src/__comm__/_str_hash.scad
@@ -1,5 +1,3 @@
-use <../util/sum.scad>;
-
 function _str_hash(value) = 
     let(
 		chars = str(value),