diff --git a/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/amr/AmrExtractorNonParameterizedTest.java b/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/amr/AmrExtractorNonParameterizedTest.java
index 65b8122c4a..4c31858a41 100644
--- a/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/amr/AmrExtractorNonParameterizedTest.java
+++ b/library/extractor/src/test/java/com/google/android/exoplayer2/extractor/amr/AmrExtractorNonParameterizedTest.java
@@ -176,14 +176,14 @@ public final class AmrExtractorNonParameterizedTest {
   }
 
   private byte[] newWideBandAmrFrameWithType(int frameType) {
-    byte frameHeader = (byte) ((frameType << 3) & (0b01111100));
+    byte frameHeader = (byte) ((frameType << 3) & 0b01111100);
     int frameContentInBytes = frameSizeBytesByTypeWb(frameType) - 1;
 
     return joinData(new byte[] {frameHeader}, randomBytesArrayWithLength(frameContentInBytes));
   }
 
   private byte[] newNarrowBandAmrFrameWithType(int frameType) {
-    byte frameHeader = (byte) ((frameType << 3) & (0b01111100));
+    byte frameHeader = (byte) ((frameType << 3) & 0b01111100);
     int frameContentInBytes = frameSizeBytesByTypeNb(frameType) - 1;
 
     return joinData(new byte[] {frameHeader}, randomBytesArrayWithLength(frameContentInBytes));