diff --git a/examples/androidapp/src/org/appspot/apprtc/CallActivity.java b/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
index eb5ee8289e..3a4452a87b 100644
--- a/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
+++ b/examples/androidapp/src/org/appspot/apprtc/CallActivity.java
@@ -360,7 +360,7 @@ public class CallActivity extends Activity implements AppRTCClient.SignalingEven
 
     // For command line execution run connection for <runTimeMs> and exit.
     if (commandLineRun && runTimeMs > 0) {
-      (new Handler()).postDelayed(new Runnable() {
+      new Handler().postDelayed(new Runnable() {
         @Override
         public void run() {
           disconnect();
diff --git a/examples/androidapp/src/org/appspot/apprtc/ConnectActivity.java b/examples/androidapp/src/org/appspot/apprtc/ConnectActivity.java
index 7206c88498..8de3d60243 100644
--- a/examples/androidapp/src/org/appspot/apprtc/ConnectActivity.java
+++ b/examples/androidapp/src/org/appspot/apprtc/ConnectActivity.java
@@ -360,7 +360,7 @@ public class ConnectActivity extends Activity {
 
     // roomId is random for loopback.
     if (loopback) {
-      roomId = Integer.toString((new Random()).nextInt(100000000));
+      roomId = Integer.toString(new Random().nextInt(100000000));
     }
 
     String roomUrl = sharedPref.getString(
diff --git a/examples/androidapp/src/org/appspot/apprtc/RoomParametersFetcher.java b/examples/androidapp/src/org/appspot/apprtc/RoomParametersFetcher.java
index 6a0f235528..b00589439b 100644
--- a/examples/androidapp/src/org/appspot/apprtc/RoomParametersFetcher.java
+++ b/examples/androidapp/src/org/appspot/apprtc/RoomParametersFetcher.java
@@ -98,7 +98,7 @@ public class RoomParametersFetcher {
       String clientId = roomJson.getString("client_id");
       String wssUrl = roomJson.getString("wss_url");
       String wssPostUrl = roomJson.getString("wss_post_url");
-      boolean initiator = (roomJson.getBoolean("is_initiator"));
+      boolean initiator = roomJson.getBoolean("is_initiator");
       if (!initiator) {
         iceCandidates = new ArrayList<>();
         String messagesString = roomJson.getString("messages");
diff --git a/sdk/android/instrumentationtests/src/org/webrtc/GlRectDrawerTest.java b/sdk/android/instrumentationtests/src/org/webrtc/GlRectDrawerTest.java
index 4cee3bdf71..b067909a8d 100644
--- a/sdk/android/instrumentationtests/src/org/webrtc/GlRectDrawerTest.java
+++ b/sdk/android/instrumentationtests/src/org/webrtc/GlRectDrawerTest.java
@@ -51,8 +51,8 @@ public class GlRectDrawerTest {
       int width, int height, ByteBuffer actual, ByteBuffer expected) {
     actual.rewind();
     expected.rewind();
-    assertEquals(actual.remaining(), width * height * 3);
-    assertEquals(expected.remaining(), width * height * 3);
+    assertEquals(actual.remaining(), width * ((long) height) * 3L);
+    assertEquals(expected.remaining(), width * ((long) height) * 3L);
     for (int y = 0; y < height; ++y) {
       for (int x = 0; x < width; ++x) {
         final int actualR = actual.get() & 0xFF;
diff --git a/sdk/android/instrumentationtests/src/org/webrtc/PeerConnectionEndToEndTest.java b/sdk/android/instrumentationtests/src/org/webrtc/PeerConnectionEndToEndTest.java
index 64b1ac0573..47d6f089a6 100644
--- a/sdk/android/instrumentationtests/src/org/webrtc/PeerConnectionEndToEndTest.java
+++ b/sdk/android/instrumentationtests/src/org/webrtc/PeerConnectionEndToEndTest.java
@@ -518,13 +518,13 @@ public class PeerConnectionEndToEndTest {
       //   stall a wait).  Use callbacks to fire off dependent steps instead of
       //   explicitly waiting, so there can be just a single wait at the end of
       //   the test.
-      long endTime = System.currentTimeMillis() + 1000 * timeoutSeconds;
+      long endTime = System.currentTimeMillis() + 1000L * timeoutSeconds;
       TreeSet<String> prev = null;
       TreeSet<String> stillWaitingForExpectations = unsatisfiedExpectations();
       while (!stillWaitingForExpectations.isEmpty()) {
         if (!stillWaitingForExpectations.equals(prev)) {
           Logging.d(TAG,
-              name + " still waiting at\n    " + (new Throwable()).getStackTrace()[1]
+              name + " still waiting at\n    " + new Throwable().getStackTrace()[1]
                   + "\n    for: " + Arrays.toString(stillWaitingForExpectations.toArray()));
         }
         if (endTime < System.currentTimeMillis()) {
@@ -543,7 +543,7 @@ public class PeerConnectionEndToEndTest {
       }
       if (prev == null) {
         Logging.d(
-            TAG, name + " didn't need to wait at\n    " + (new Throwable()).getStackTrace()[1]);
+            TAG, name + " didn't need to wait at\n    " + new Throwable().getStackTrace()[1]);
       }
       return true;
     }
@@ -1645,7 +1645,7 @@ public class PeerConnectionEndToEndTest {
     Logging.d(TAG, "FYI stats: ");
     int reportIndex = -1;
     for (StatsReport[] reports : expectations.takeStatsReports()) {
-      Logging.d(TAG, " Report #" + (++reportIndex));
+      Logging.d(TAG, " Report #" + ++reportIndex);
       for (int i = 0; i < reports.length; ++i) {
         Logging.d(TAG, "  " + reports[i].toString());
       }
diff --git a/sdk/android/instrumentationtests/src/org/webrtc/VideoFrameBufferTest.java b/sdk/android/instrumentationtests/src/org/webrtc/VideoFrameBufferTest.java
index 3668cd71b1..43f5acea0a 100644
--- a/sdk/android/instrumentationtests/src/org/webrtc/VideoFrameBufferTest.java
+++ b/sdk/android/instrumentationtests/src/org/webrtc/VideoFrameBufferTest.java
@@ -391,7 +391,7 @@ public class VideoFrameBufferTest {
     final List<Integer> pixelDiffs = getPixelDiffs(bufferA, bufferB);
     long sse = 0;
     for (int pixelDiff : pixelDiffs) {
-      sse += pixelDiff * pixelDiff;
+      sse += pixelDiff * ((long) pixelDiff);
     }
     return sseToPsnr(sse, pixelDiffs.size());
   }