diff --git a/build/minify.js b/build/minify.js
index 9cce7d13f..fbd749412 100755
--- a/build/minify.js
+++ b/build/minify.js
@@ -330,7 +330,7 @@
       // restrict lines to 500 characters for consistency with the Closure Compiler
       var stream = uglifyJS.OutputStream({
         'ascii_only': true,
-        'comments': /\* *@license/,
+        'comments': /@cc_on|@license|@preserve/i,
         'max_line_len': 500,
       });
 
diff --git a/vendor/benchmark.js/benchmark.js b/vendor/benchmark.js/benchmark.js
index fe5ff3db0..2a39cb4fe 100644
--- a/vendor/benchmark.js/benchmark.js
+++ b/vendor/benchmark.js/benchmark.js
@@ -1648,7 +1648,10 @@
   function interpolate(string, object) {
     forOwn(object, function(value, key) {
       // escape regexp special characters in `key`
-      string = string.replace(RegExp('#\\{' + key.replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1') + '\\}', 'g'), value);
+      string = string.replace(
+        RegExp('#\\{' + key.replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1') + '\\}', 'g'),
+        value.replace(/\$/g, '$$$$')
+      );
     });
     return string;
   }