diff --git a/src/js/model/frame/AsyncCachedFrameProcessor.js b/src/js/model/frame/AsyncCachedFrameProcessor.js
index f1854cec..ab4baf3e 100644
--- a/src/js/model/frame/AsyncCachedFrameProcessor.js
+++ b/src/js/model/frame/AsyncCachedFrameProcessor.js
@@ -32,18 +32,19 @@
       processedFrame = cache[key1];
     } else if (frame instanceof pskl.model.frame.RenderedFrame) {
       // Cannot use 2nd level cache with rendered frames
-      var callbackFirstLvlCacheOnly = this.onProcessorComplete_.bind(this, deferred, cache, key1, key1);
+      var callbackFirstLvlCacheOnly = this.onProcessorComplete_.bind(this, deferred, cache, key1/*, key1*/);
       this.frameProcessor(frame, callbackFirstLvlCacheOnly);
     } else {
-      var framePixels = JSON.stringify(frame.getPixels());
+      // TODO: Remove?
+      /*var framePixels = new Float64Array(frame.pixels.buffer).toString();
       var key2 = pskl.utils.hashCode(framePixels);
       if (cache[key2]) {
         processedFrame = this.outputCloner(cache[key2], frame);
         cache[key1] = processedFrame;
-      } else {
-        var callback = this.onProcessorComplete_.bind(this, deferred, cache, key1, key2);
-        this.frameProcessor(frame, callback);
-      }
+      } else {*/
+        var callback = this.onProcessorComplete_.bind(this, deferred, cache, key1/*, key1*/);
+        this.frameProcessor(frame, callback);/*
+      }*/
     }
 
     if (processedFrame) {
@@ -53,9 +54,9 @@
     return deferred.promise;
   };
 
-  ns.AsyncCachedFrameProcessor.prototype.onProcessorComplete_ = function (deferred, cache, key1, key2, result) {
+  ns.AsyncCachedFrameProcessor.prototype.onProcessorComplete_ = function (deferred, cache, key1/*, key2*/, result) {
     cache[key1] = result;
-    cache[key2] = result;
+    //cache[key2] = result;
     deferred.resolve(result);
   };
 })();
diff --git a/src/js/model/frame/CachedFrameProcessor.js b/src/js/model/frame/CachedFrameProcessor.js
index 5a1ff57c..bc905673 100644
--- a/src/js/model/frame/CachedFrameProcessor.js
+++ b/src/js/model/frame/CachedFrameProcessor.js
@@ -71,16 +71,21 @@
       processedFrame = this.frameProcessor(frame);
       cache[cacheKey] = processedFrame;
     } else {
-      var framePixels = JSON.stringify(frame.getPixels());
+      // TODO: Remove?
+      /*
+      // Float64Array.toString() is about 2.4x times faster compared to Uint32Array.toString()
+      var framePixels = new Float64Array(frame.pixels.buffer).toString();
       var frameAsString = pskl.utils.hashCode(framePixels);
       if (cache[frameAsString]) {
+        this.cacheHitLvl2_++;
         processedFrame = this.outputCloner(cache[frameAsString], frame);
       } else {
-        processedFrame = this.frameProcessor(frame);
+        */processedFrame = this.frameProcessor(frame);/*
         cache[frameAsString] = processedFrame;
       }
-      cache[cacheKey] = processedFrame;
+      cache[cacheKey] = processedFrame;*/
     }
+
     return processedFrame;
   };
 })();