diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/tracing/FrameProtoTracer.java b/packages/SystemUI/shared/src/com/android/systemui/shared/tracing/FrameProtoTracer.java
index 4394ecbf79eb9..98212e1d91b61 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/tracing/FrameProtoTracer.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/tracing/FrameProtoTracer.java
@@ -25,8 +25,8 @@ import com.android.internal.util.TraceBuffer;
 import java.io.File;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.util.ArrayDeque;
 import java.util.ArrayList;
-import java.util.LinkedList;
 import java.util.Queue;
 import java.util.function.Consumer;
 
@@ -50,7 +50,7 @@ public class FrameProtoTracer<P, S extends P, T extends P, R>
     private final File mTraceFile;
     private final ProtoTraceParams<P, S, T, R> mParams;
     private Choreographer mChoreographer;
-    private final Queue<T> mPool = new LinkedList<>();
+    private final Queue<T> mPool = new ArrayDeque<>();
     private final ArrayList<ProtoTraceable<R>> mTraceables = new ArrayList<>();
     private final ArrayList<ProtoTraceable<R>> mTmpTraceables = new ArrayList<>();
 
diff --git a/packages/SystemUI/src/com/android/systemui/classifier/TimeLimitedMotionEventBuffer.java b/packages/SystemUI/src/com/android/systemui/classifier/TimeLimitedMotionEventBuffer.java
index e5da389365933..4773f2a3b13ee 100644
--- a/packages/SystemUI/src/com/android/systemui/classifier/TimeLimitedMotionEventBuffer.java
+++ b/packages/SystemUI/src/com/android/systemui/classifier/TimeLimitedMotionEventBuffer.java
@@ -18,9 +18,9 @@ package com.android.systemui.classifier;
 
 import android.view.MotionEvent;
 
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Iterator;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.ListIterator;
 
@@ -33,13 +33,13 @@ import java.util.ListIterator;
  */
 public class TimeLimitedMotionEventBuffer implements List<MotionEvent> {
 
-    private final LinkedList<MotionEvent> mMotionEvents;
+    private final List<MotionEvent> mMotionEvents;
     private final long mMaxAgeMs;
 
     public TimeLimitedMotionEventBuffer(long maxAgeMs) {
         super();
         mMaxAgeMs = maxAgeMs;
-        mMotionEvents = new LinkedList<>();
+        mMotionEvents = new ArrayList<>();
     }
 
     private void ejectOldEvents() {
@@ -47,7 +47,7 @@ public class TimeLimitedMotionEventBuffer implements List<MotionEvent> {
             return;
         }
         Iterator<MotionEvent> iter = listIterator();
-        long mostRecentMs = mMotionEvents.getLast().getEventTime();
+        long mostRecentMs = mMotionEvents.get(mMotionEvents.size() - 1).getEventTime();
         while (iter.hasNext()) {
             MotionEvent ev = iter.next();
             if (mostRecentMs - ev.getEventTime() > mMaxAgeMs) {
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardIndicationRotateTextViewController.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardIndicationRotateTextViewController.java
index 0ad2807bed559..cf713652ddb5b 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardIndicationRotateTextViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardIndicationRotateTextViewController.java
@@ -35,8 +35,8 @@ import java.io.FileDescriptor;
 import java.io.PrintWriter;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.util.ArrayList;
 import java.util.HashMap;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 
@@ -72,7 +72,7 @@ public class KeyguardIndicationRotateTextViewController extends
     @Nullable private ShowNextIndication mShowNextIndicationRunnable;
 
     // List of indication types to show. The next indication to show is always at index 0
-    private final List<Integer> mIndicationQueue = new LinkedList<>();
+    private final List<Integer> mIndicationQueue = new ArrayList<>();
     private @IndicationType int mCurrIndicationType = INDICATION_TYPE_NONE;
     private CharSequence mCurrMessage;
     private long mLastIndicationSwitch;
diff --git a/packages/SystemUI/src/com/android/systemui/privacy/television/TvOngoingPrivacyChip.java b/packages/SystemUI/src/com/android/systemui/privacy/television/TvOngoingPrivacyChip.java
index 5510eb172cd7a..09c4cb760c909 100644
--- a/packages/SystemUI/src/com/android/systemui/privacy/television/TvOngoingPrivacyChip.java
+++ b/packages/SystemUI/src/com/android/systemui/privacy/television/TvOngoingPrivacyChip.java
@@ -57,7 +57,6 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.LinkedList;
 import java.util.List;
 
 import javax.inject.Inject;
@@ -126,7 +125,7 @@ public class TvOngoingPrivacyChip extends CoreStartable implements PrivacyItemCo
     private final Runnable mCollapseRunnable = this::collapseChip;
 
     private final Runnable mAccessibilityRunnable = this::makeAccessibilityAnnouncement;
-    private final List<PrivacyItem> mItemsBeforeLastAnnouncement = new LinkedList<>();
+    private final List<PrivacyItem> mItemsBeforeLastAnnouncement = new ArrayList<>();
 
     @State
     private int mState = STATE_NOT_SHOWN;