diff --git a/frontend/src/Store/Actions/Creators/createHandleActions.js b/frontend/src/Store/Actions/Creators/createHandleActions.js
index 0883f8e08..744186483 100644
--- a/frontend/src/Store/Actions/Creators/createHandleActions.js
+++ b/frontend/src/Store/Actions/Creators/createHandleActions.js
@@ -65,18 +65,31 @@ export default function createHandleActions(handlers, defaultState, section) {
       if (section === baseSection) {
         const newState = getSectionState(state, payloadSection);
         const items = newState.items;
-        const index = _.findIndex(items, { id: payload.id });
+
+        if (!newState.itemMap) {
+          newState.itemMap = _.zipObject(_.map(items, 'id'), _.range(items.length));
+        }
+
+        const index = payload.id in newState.itemMap ? newState.itemMap[payload.id] : -1;
 
         newState.items = [...items];
 
         // TODO: Move adding to it's own reducer
         if (index >= 0) {
           const item = items[index];
+          const newItem = { ...item, ...otherProps };
 
-          newState.items.splice(index, 1, { ...item, ...otherProps });
+          // if the item to update is equal to existing, then don't actually update
+          // to prevent costly reselections
+          if (_.isEqual(item, newItem)) {
+            return state;
+          }
+
+          newState.items.splice(index, 1, newItem);
         } else if (!updateOnly) {
-          newState.items.push({ ...otherProps });
-          newState.itemMap = _.zipObject(_.map(newState.items, 'id'), _.range(newState.items.length));
+          const newIndex = newState.items.push({ ...otherProps }) - 1;
+
+          newState.itemMap[payload.id] = newIndex;
         }
 
         return updateSectionState(state, payloadSection, newState);
diff --git a/frontend/src/Store/Selectors/createArtistClientSideCollectionItemsSelector.js b/frontend/src/Store/Selectors/createArtistClientSideCollectionItemsSelector.js
index 38300bd9d..0f443612b 100644
--- a/frontend/src/Store/Selectors/createArtistClientSideCollectionItemsSelector.js
+++ b/frontend/src/Store/Selectors/createArtistClientSideCollectionItemsSelector.js
@@ -1,6 +1,6 @@
-import { createSelector } from 'reselect';
-import createDeepEqualSelector from './createDeepEqualSelector';
+import { createSelector, createSelectorCreator, defaultMemoize } from 'reselect';
 import createClientSideCollectionSelector from './createClientSideCollectionSelector';
+import hasDifferentItemsOrOrder from 'Utilities/Object/hasDifferentItemsOrOrder';
 
 function createUnoptimizedSelector(uiSection) {
   return createSelector(
@@ -26,8 +26,17 @@ function createUnoptimizedSelector(uiSection) {
   );
 }
 
+function artistListEqual(a, b) {
+  return hasDifferentItemsOrOrder(a, b);
+}
+
+const createArtistEqualSelector = createSelectorCreator(
+  defaultMemoize,
+  artistListEqual
+);
+
 function createArtistClientSideCollectionItemsSelector(uiSection) {
-  return createDeepEqualSelector(
+  return createArtistEqualSelector(
     createUnoptimizedSelector(uiSection),
     (artist) => artist
   );
diff --git a/src/Lidarr.Api.V1/Artist/ArtistResource.cs b/src/Lidarr.Api.V1/Artist/ArtistResource.cs
index d80ffd6b0..52e19540b 100644
--- a/src/Lidarr.Api.V1/Artist/ArtistResource.cs
+++ b/src/Lidarr.Api.V1/Artist/ArtistResource.cs
@@ -20,8 +20,6 @@ namespace Lidarr.Api.V1.Artist
 
         public bool Ended => Status == ArtistStatusType.Ended;
 
-        public DateTime? LastInfoSync { get; set; }
-
         public string ArtistName { get; set; }
         public string ForeignArtistId { get; set; }
         public string MBId { get; set; }
@@ -96,8 +94,6 @@ namespace Lidarr.Api.V1.Artist
                 AlbumFolder = model.AlbumFolder,
                 Monitored = model.Monitored,
 
-                LastInfoSync = model.LastInfoSync,
-
                 CleanName = model.CleanName,
                 ForeignArtistId = model.Metadata.Value.ForeignArtistId,
 
@@ -146,7 +142,6 @@ namespace Lidarr.Api.V1.Artist
                 AlbumFolder = resource.AlbumFolder,
                 Monitored = resource.Monitored,
 
-                LastInfoSync = resource.LastInfoSync,
                 CleanName = resource.CleanName,
                 RootFolderPath = resource.RootFolderPath,