diff --git a/app/src/main/java/com/nextcloud/talk/newarch/utils/LiveDataTransformations.kt b/app/src/main/java/com/nextcloud/talk/newarch/utils/LiveDataTransformations.kt
deleted file mode 100644
index 0f1bcb0b2..000000000
--- a/app/src/main/java/com/nextcloud/talk/newarch/utils/LiveDataTransformations.kt
+++ /dev/null
@@ -1,62 +0,0 @@
-package com.nextcloud.talk.newarch.utils
-
-import android.util.Log
-import androidx.annotation.MainThread
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.MediatorLiveData
-import androidx.lifecycle.Observer
-import java.util.*
-import kotlin.collections.ArrayList
-
-class LiveDataTransformations {
-
-    /**
-     * Creates a new [LiveData] object that does not emit a value until the source LiveData
-     * value has been changed.  The value is considered changed if `equals()` yields
-     * `false`.
-     *
-     * @param source the input [LiveData]
-     * @param <X>    the generic type parameter of `source`
-     * @return       a new [LiveData] of type `X`
-    </X> */
-    @MainThread
-    fun <X> distinctUntilChangedForArray(source: LiveData<X>): LiveData<X> {
-        val outputLiveData = MediatorLiveData<X>()
-        outputLiveData.addSource(source, object : Observer<X> {
-
-            var mFirstTime = true
-
-            override fun onChanged(currentValue: X?) {
-                val previousValue = outputLiveData.value
-                if (mFirstTime && currentValue != null
-                        || (previousValue == null && currentValue != null)) {
-                    mFirstTime = false
-                    outputLiveData.value = currentValue
-                } else if (previousValue != null) {
-                    if (currentValue == null) {
-                        outputLiveData.value = currentValue
-                    } else {
-                        val previousArray: Array<X> = (previousValue as ArrayList<X>).toArray() as Array<X>
-                        val currentArray: Array<X> = (currentValue as ArrayList<X>).toArray() as Array<X>
-
-                        if (previousArray.size != currentArray.size) {
-                            outputLiveData.value = currentValue
-                        } else {
-                            var counter = 0
-                            for(element in previousArray) {
-                                if (!element!!.equals(currentArray[counter])) {
-                                    outputLiveData.value = currentValue
-                                    return
-                                }
-
-                                counter++
-                            }
-                        }
-                    }
-                }
-            }
-        })
-
-        return outputLiveData
-    }
-}