diff --git a/build/pre-compile.js b/build/pre-compile.js
index 67097afc3..5db74035d 100644
--- a/build/pre-compile.js
+++ b/build/pre-compile.js
@@ -247,7 +247,7 @@
     });
 
     // remove whitespace from `_.template` related regexes
-    source = source.replace(/(?:reEmptyString\w+|reInsertVariable) *=.+/g, function(match) {
+    source = source.replace(/reEmptyString\w+ *=.+/g, function(match) {
       return match.replace(/ |\\n/g, '');
     });