diff --git a/app/src/main/java/com/kabouzeid/gramophone/loader/SortedCursor.java b/app/src/main/java/com/kabouzeid/gramophone/loader/SortedCursor.java
index abbf619a..e09c928a 100644
--- a/app/src/main/java/com/kabouzeid/gramophone/loader/SortedCursor.java
+++ b/app/src/main/java/com/kabouzeid/gramophone/loader/SortedCursor.java
@@ -32,7 +32,6 @@ import java.util.List;
  */
 public class SortedCursor extends AbstractCursor {
     // cursor to wrap
-    @Nullable
     private final Cursor mCursor;
     // the map of external indices to internal indices
     private ArrayList<Integer> mOrderedPositions;
@@ -48,7 +47,7 @@ public class SortedCursor extends AbstractCursor {
      * @param order      the list of unique ids in sorted order to display
      * @param columnName the column name of the id to look up in the internal cursor
      */
-    public SortedCursor(@Nullable final Cursor cursor, final long[] order, final String columnName,
+    public SortedCursor(final Cursor cursor, final long[] order, final String columnName,
                         final List<?> extraData) {
         if (cursor == null) {
             throw new IllegalArgumentException("Non-null cursor is needed");
diff --git a/build.gradle b/build.gradle
index 1b370376..ea57c4c7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.0.0-beta2'
+        classpath 'com.android.tools.build:gradle:2.0.0-beta4'
         classpath 'com.github.triplet.gradle:play-publisher:1.1.3'
     }
 }