diff --git a/backend/pkg/messages/legacy-message-transform.go b/backend/pkg/messages/legacy-message-transform.go
index 031c4444a..c22b73378 100644
--- a/backend/pkg/messages/legacy-message-transform.go
+++ b/backend/pkg/messages/legacy-message-transform.go
@@ -10,7 +10,6 @@ func transformDepricated(msg Message) Message {
 			ID:             m.ID,
 			HesitationTime: m.HesitationTime,
 			Label:          m.Label,
-			// Selector: '',
 		}
 	// case *FetchDepricated:
 	// 	return &Fetch {
diff --git a/backend/services/http/handlers-depricated.go b/backend/services/http/handlers-depricated.go
deleted file mode 100644
index 06ab7d0f9..000000000
--- a/backend/services/http/handlers-depricated.go
+++ /dev/null
@@ -1 +0,0 @@
-package main
diff --git a/backend/services/http/handlers-ios.go b/backend/services/http/handlers-ios.go
index 8116980e1..a7b6f984a 100644
--- a/backend/services/http/handlers-ios.go
+++ b/backend/services/http/handlers-ios.go
@@ -23,22 +23,9 @@ func startSessionHandlerIOS(w http.ResponseWriter, r *http.Request) {
 		TrackerVersion string  `json:"trackerVersion"`
 		RevID          string  `json:"revID"`
 		UserUUID       *string `json:"userUUID"`
-		//UserOS string `json"userOS"`  //hardcoded 'MacOS'
-		UserOSVersion string `json:"userOSVersion"`
-		UserDevice    string `json:"userDevice"`
-		Timestamp     uint64 `json:"timestamp"`
-		// UserDeviceType uint  0:phone 1:pad 2:tv 3:carPlay 5:mac
-		// “performances”:{
-		//     “activeProcessorCount”:8,
-		//     “isLowPowerModeEnabled”:0,
-		//     “orientation”:0,
-		//     “systemUptime”:585430,
-		//     “batteryState”:0,
-		//     “thermalState”:0,
-		//     “batteryLevel”:0,
-		//     “processorCount”:8,
-		//     “physicalMemory”:17179869184
-		//  },
+		UserOSVersion  string  `json:"userOSVersion"`
+		UserDevice     string  `json:"userDevice"`
+		Timestamp      uint64  `json:"timestamp"`
 	}
 	type response struct {
 		Token           string   `json:"token"`
@@ -111,14 +98,7 @@ func startSessionHandlerIOS(w http.ResponseWriter, r *http.Request) {
 		}))
 	}
 
-	// imagesHashList, err :=  s3.GetFrequentlyUsedKeys(*(req.EncodedProjectID)) // TODO: reuse index: ~ frequency * size
-	// if err != nil {
-	// 	responseWithError(w, http.StatusInternalServerError, err)
-	// 	return
-	// }
-
 	responseWithJSON(w, &response{
-		// ImagesHashList: imagesHashList,
 		Token:           tokenizer.Compose(*tokenData),
 		UserUUID:        userUUID,
 		SessionID:       strconv.FormatUint(tokenData.ID, 10),
diff --git a/backend/services/http/handlers-web.go b/backend/services/http/handlers-web.go
index 7aab5bfbc..e5cf57a60 100644
--- a/backend/services/http/handlers-web.go
+++ b/backend/services/http/handlers-web.go
@@ -105,10 +105,7 @@ func startSessionHandlerWeb(w http.ResponseWriter, r *http.Request) {
 		}))
 	}
 
-	//delayDuration := time.Now().Sub(startTime)
 	responseWithJSON(w, &response{
-		//Timestamp: startTime.UnixNano() / 1e6,
-		//Delay:     delayDuration.Nanoseconds() / 1e6,
 		Token:           tokenizer.Compose(*tokenData),
 		UserUUID:        userUUID,
 		SessionID:       strconv.FormatUint(tokenData.ID, 10),
@@ -154,35 +151,6 @@ func pushMessagesHandlerWeb(w http.ResponseWriter, r *http.Request) {
 			}
 		}
 
-		// switch msg.(type) {
-		// case *BatchMeta, // TODO: watchout! Meta().Index'es are changed here (though it is still unique for the topic-session pair)
-		// 	*SetPageLocation,
-		// 	*PageLoadTiming,
-		// 	*PageRenderTiming,
-		// 	*PerformanceTrack,
-		// 	*SetInputTarget,
-		// 	*SetInputValue,
-		// 	*MouseClick,
-		// 	*RawErrorEvent,
-		// 	*JSException,
-		// 	*ResourceTiming,
-		// 	*RawCustomEvent,
-		// 	*CustomIssue,
-		// 	*Fetch,
-		// 	*StateAction,
-		// 	*GraphQL,
-		// 	*CreateElementNode,
-		// 	*CreateTextNode,
-		// 	*RemoveNode,
-		// 	*CreateDocument,
-		// 	*RemoveNodeAttribute,
-		// 	*MoveNode,
-		// 	*SetCSSData,
-		// 	*CSSInsertRule,
-		// 	*CSSDeleteRule:
-		// 	analyticsMessages = append(analyticsMessages, msg)
-		//}
-
 		return msg
 	})
 	if err != nil {
@@ -190,9 +158,6 @@ func pushMessagesHandlerWeb(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	producer.Produce(TOPIC_RAW_WEB, sessionData.ID, rewritenBuf)
-	//producer.Produce(TOPIC_ANALYTICS, sessionData.ID, WriteBatch(analyticsMessages))
-	//duration := time.Now().Sub(startTime)
-	//log.Printf("Sended batch within %v nsec; %v nsek/byte", duration.Nanoseconds(), duration.Nanoseconds()/int64(len(buf)))
 	w.WriteHeader(http.StatusOK)
 }
 
@@ -201,7 +166,6 @@ func notStartedHandlerWeb(w http.ResponseWriter, r *http.Request) {
 		ProjectKey     *string `json:"projectKey"`
 		TrackerVersion string  `json:"trackerVersion"`
 		DoNotTrack     bool    `json:"DoNotTrack"`
-		// RevID                string `json:"revID"`
 	}
 	req := &request{}
 	body := http.MaxBytesReader(w, r.Body, JSON_SIZE_LIMIT)