Drop version and platform returned from Selenium
diff --git a/circle.yml b/circle.yml
index e0d73f4..a4e0643 100644
--- a/circle.yml
+++ b/circle.yml
@@ -163,8 +163,7 @@
       done
 
       for file in $(ls EVERGREEN*); do
-        file_prefix=$(echo $file | sed 's/VERSION.*png$//')
-        prev=$(ls PREV_$file_prefix*)
+        prev=$(ls PREV_$file*)
         metric_diff=$(compare -metric AE -compose src $prev $file raw_diff.png)
         composite -alpha on raw_diff.png $prev DIFF_$file
       done
diff --git a/script/screenshots.js b/script/screenshots.js
index 15016c6..f2a75c5 100644
--- a/script/screenshots.js
+++ b/script/screenshots.js
@@ -85,8 +85,8 @@
     if (err) console.log(err);
     console.log(cfg.browserName,cfg.platform,'init')
 
-    var browser = cfg.browserName.replace(/\s/g, '_')+(capabilities ? '_VERSION'+capabilities.version : '');
-    var platform = (capabilities || cfg).platform.replace(/\s/g, '_');
+    var browser = cfg.browserName.replace(/\s/g, '_');
+    var platform = cfg.platform.replace(/\s/g, '_');
     var piecesDir = allImgsDir+'/'+obj.pinned+'_'+platform+'_'+browser;
     fs.mkdirSync(piecesDir);