diff --git a/app/src/main/java/de/danoeh/antennapod/adapter/CoverLoader.java b/app/src/main/java/de/danoeh/antennapod/adapter/CoverLoader.java
index 54ecdae77..79dc1f96e 100644
--- a/app/src/main/java/de/danoeh/antennapod/adapter/CoverLoader.java
+++ b/app/src/main/java/de/danoeh/antennapod/adapter/CoverLoader.java
@@ -66,7 +66,7 @@ public class CoverLoader {
             options = options.error(errorResource);
         }
 
-        RequestBuilder builder = Glide.with(activity)
+        RequestBuilder<Drawable> builder = Glide.with(activity)
                 .load(uri)
                 .apply(options);
 
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/AllEpisodesFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/AllEpisodesFragment.java
index d7d49705d..ec06f081a 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/AllEpisodesFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/AllEpisodesFragment.java
@@ -334,7 +334,7 @@ public class AllEpisodesFragment extends Fragment {
             onFragmentLoaded();
         }
 
-        emptyView = (View) root.findViewById(R.id.emptyView);
+        emptyView = root.findViewById(R.id.emptyView);
         emptyView.setVisibility(View.GONE);
         ((TextView)emptyView.findViewById(R.id.emptyViewTitle)).setText(R.string.no_all_episodes_head_label);
         ((TextView)emptyView.findViewById(R.id.emptyViewMessage)).setText(R.string.no_all_episodes_label);
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/QueueFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/QueueFragment.java
index faec50135..1debab6a3 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/QueueFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/QueueFragment.java
@@ -495,7 +495,7 @@ public class QueueFragment extends Fragment {
         );
         itemTouchHelper.attachToRecyclerView(recyclerView);
         //empty view
-        emptyView = (View) root.findViewById(R.id.emptyView);
+        emptyView = root.findViewById(R.id.emptyView);
         emptyView.setVisibility(View.GONE);
         ((TextView)emptyView.findViewById(R.id.emptyViewTitle)).setText(R.string.no_items_header_label);
         ((TextView)emptyView.findViewById(R.id.emptyViewMessage)).setText(R.string.no_items_label);
diff --git a/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java b/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java
index a157a2cfa..042aa594a 100644
--- a/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java
+++ b/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java
@@ -842,7 +842,7 @@ public class PreferenceController implements SharedPreferences.OnSharedPreferenc
             } else if (v > 0 && v < 24) {
                 entries[x] = res.getQuantityString(R.plurals.episode_cleanup_hours_after_listening, v, v);
             } else {
-                int numDays = (int)(v / 24); // assume underlying value will be NOT fraction of days, e.g., 36 (hours)
+                int numDays = v / 24; // assume underlying value will be NOT fraction of days, e.g., 36 (hours)
                 entries[x] = res.getQuantityString(R.plurals.episode_cleanup_days_after_listening, numDays, numDays);
             }
         }