Prevent preserving scroll position on changing fragment

app/src/main/java/app/insti/fragment/ExploreFragment.java

@@ -50,13 +50,11 @@ public class ExploreFragment extends Fragment {
 
     private static List<CardInterface> cards = new ArrayList<>();
 
-    private static int index;
-    private static int top;
-
     private String sessionId;
     private GenericAdapter genericAdapter;
 
     private String currentQuery = null;
+    private int index = -1, top = -1;
 
     public ExploreFragment() {
         // Required empty public constructor

app/src/main/java/app/insti/fragment/FeedFragment.java

@@ -36,7 +36,7 @@ public class FeedFragment extends BaseFragment {
     private SwipeRefreshLayout feedSwipeRefreshLayout;
     private FloatingActionButton fab;
     LinearLayoutManager mLayoutManager;
-    public static int index = -1, top = -1;
+    private int index = -1, top = -1;
     private FeedAdapter feedAdapter = null;
 
     public FeedFragment() {