diff --git a/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1/SpeechClientTest.java b/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1/SpeechClientTest.java
index ac4311bffb49..2351fa4e4eea 100644
--- a/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1/SpeechClientTest.java
+++ b/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1/SpeechClientTest.java
@@ -26,7 +26,6 @@
 import com.google.api.gax.rpc.BidiStreamingCallable;
 import com.google.api.gax.rpc.InvalidArgumentException;
 import com.google.api.gax.rpc.StatusCode;
-import com.google.cloud.speech.v1.RecognitionConfig.AudioEncoding;
 import com.google.longrunning.Operation;
 import com.google.protobuf.Any;
 import com.google.protobuf.GeneratedMessageV3;
diff --git a/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1/SpeechSmokeTest.java b/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1/SpeechSmokeTest.java
index 7664f18c41f0..916446ea3eeb 100644
--- a/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1/SpeechSmokeTest.java
+++ b/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1/SpeechSmokeTest.java
@@ -15,7 +15,6 @@
  */
 package com.google.cloud.speech.v1;
 
-import com.google.cloud.speech.v1.RecognitionConfig.AudioEncoding;
 import com.google.common.base.Preconditions;
 import java.util.logging.Level;
 import java.util.logging.Logger;
diff --git a/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1p1beta1/SpeechClientTest.java b/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1p1beta1/SpeechClientTest.java
index 7a92a7a8e596..928cc93ae5b8 100644
--- a/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1p1beta1/SpeechClientTest.java
+++ b/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1p1beta1/SpeechClientTest.java
@@ -26,7 +26,6 @@
 import com.google.api.gax.rpc.BidiStreamingCallable;
 import com.google.api.gax.rpc.InvalidArgumentException;
 import com.google.api.gax.rpc.StatusCode;
-import com.google.cloud.speech.v1p1beta1.RecognitionConfig.AudioEncoding;
 import com.google.longrunning.Operation;
 import com.google.protobuf.Any;
 import com.google.protobuf.GeneratedMessageV3;
diff --git a/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1p1beta1/SpeechSmokeTest.java b/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1p1beta1/SpeechSmokeTest.java
index 06e4b15f6e44..d5114631d2d3 100644
--- a/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1p1beta1/SpeechSmokeTest.java
+++ b/google-cloud-clients/google-cloud-speech/src/test/java/com/google/cloud/speech/v1p1beta1/SpeechSmokeTest.java
@@ -15,7 +15,6 @@
  */
 package com.google.cloud.speech.v1p1beta1;
 
-import com.google.cloud.speech.v1p1beta1.RecognitionConfig.AudioEncoding;
 import com.google.common.base.Preconditions;
 import java.util.logging.Level;
 import java.util.logging.Logger;