diff --git a/editor/svgcanvas.js b/editor/svgcanvas.js
index 3d95afe2..9c39bedd 100644
--- a/editor/svgcanvas.js
+++ b/editor/svgcanvas.js
@@ -820,38 +820,7 @@ var Utils = {
 				this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
 		} while (i < input.length);
 
-		return output;
-	},
-
-	"decode64" : function(input) {
-		var output = "";
-		var chr1, chr2, chr3;
-		var enc1, enc2, enc3, enc4;
-		var i = 0;
-
-		// remove all characters that are not A-Z, a-z, 0-9, +, /, or =
-		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
-
-		do {
-			enc1 = this._keyStr.indexOf(input.charAt(i++));
-			enc2 = this._keyStr.indexOf(input.charAt(i++));
-			enc3 = this._keyStr.indexOf(input.charAt(i++));
-			enc4 = this._keyStr.indexOf(input.charAt(i++));
-
-			chr1 = (enc1 << 2) | (enc2 >> 4);
-			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
-			chr3 = ((enc3 & 3) << 6) | enc4;
-
-			output = output + String.fromCharCode(chr1);
-
-			if (enc3 != 64) {
-				output = output + String.fromCharCode(chr2);
-			}
-			if (enc4 != 64) {
-				output = output + String.fromCharCode(chr3);
-			}
-		} while (i < input.length);
-
 		return output;
 	}
+
 }