diff --git a/packages/store/addon/-private/system/record-array-manager.js b/packages/store/addon/-private/system/record-array-manager.js
index 81f2611968d..5f9b574ca3f 100644
--- a/packages/store/addon/-private/system/record-array-manager.js
+++ b/packages/store/addon/-private/system/record-array-manager.js
@@ -418,28 +418,15 @@ const updateLiveRecordArray = function updateLiveRecordArray(store, recordArray,
   }
 
   if (identifiersToAdd.length > 0) {
-    pushIdentifiers(recordArray, identifiersToAdd, internalModelFactoryFor(store));
+    recordArray._pushIdentifiers(identifiersToAdd);
   }
   if (identifiersToRemove.length > 0) {
-    removeIdentifiers(recordArray, identifiersToRemove, internalModelFactoryFor(store));
+    removeIdentifiers(recordArray, identifiersToRemove);
   }
 };
 
-const pushIdentifiers = function pushIdentifiers(recordArray, identifiers, cache) {
-  if (!REMOVE_RECORD_ARRAY_MANAGER_LEGACY_COMPAT && !recordArray._pushIdentifiers) {
-    // deprecate('not allowed to use this intimate api any more');
-    recordArray._pushInternalModels(identifiers.map(i => peekIMCache(cache, i)));
-  } else {
-    recordArray._pushIdentifiers(identifiers);
-  }
-};
-const removeIdentifiers = function removeIdentifiers(recordArray, identifiers, cache) {
-  if (!REMOVE_RECORD_ARRAY_MANAGER_LEGACY_COMPAT && !recordArray._removeIdentifiers) {
-    // deprecate('not allowed to use this intimate api any more');
-    recordArray._removeInternalModels(identifiers.map(i => peekIMCache(cache, i)));
-  } else {
-    recordArray._removeIdentifiers(identifiers);
-  }
+const removeIdentifiers = function removeIdentifiers(recordArray, identifiers) {
+  recordArray._removeIdentifiers(identifiers);
 };
 
 const removeFromAdapterPopulatedRecordArrays = function removeFromAdapterPopulatedRecordArrays(store, identifiers) {
@@ -451,10 +438,9 @@ const removeFromAdapterPopulatedRecordArrays = function removeFromAdapterPopulat
 const removeFromAll = function removeFromAll(store, identifier) {
   identifier = getIdentifier(identifier);
   const recordArrays = recordArraysForIdentifier(identifier);
-  const cache = internalModelFactoryFor(store);
 
   recordArrays.forEach(function(recordArray) {
-    removeIdentifiers(recordArray, [identifier], cache);
+    removeIdentifiers(recordArray, [identifier]);
   });
 
   recordArrays.clear();