diff --git a/cmds/statsd/src/StatsLogProcessor.cpp b/cmds/statsd/src/StatsLogProcessor.cpp
index e7f1caf..1378ce5 100644
--- a/cmds/statsd/src/StatsLogProcessor.cpp
+++ b/cmds/statsd/src/StatsLogProcessor.cpp
@@ -152,7 +152,7 @@
         if (is_create) {
             mUidMap->assignIsolatedUid(isolated_uid, parent_uid);
         } else {
-            mUidMap->removeIsolatedUid(isolated_uid, parent_uid);
+            mUidMap->removeIsolatedUid(isolated_uid);
         }
     } else {
         ALOGE("Failed to parse uid in the isolated uid change event.");
diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index ab9c7e8..ca3786a 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -1484,6 +1484,7 @@
 message IsolatedUidChanged {
     // The host UID. Generally, we should attribute metrics from the isolated uid to the host uid.
     // NOTE: DO NOT annotate uid field in this atom. This atom is specially handled in statsd.
+    // This field is ignored when event == REMOVED.
     optional int32 parent_uid = 1;
 
     optional int32 isolated_uid = 2;
diff --git a/cmds/statsd/src/packages/UidMap.cpp b/cmds/statsd/src/packages/UidMap.cpp
index fff909c..be94725 100644
--- a/cmds/statsd/src/packages/UidMap.cpp
+++ b/cmds/statsd/src/packages/UidMap.cpp
@@ -272,7 +272,7 @@
     mIsolatedUidMap[isolatedUid] = parentUid;
 }
 
-void UidMap::removeIsolatedUid(int isolatedUid, int parentUid) {
+void UidMap::removeIsolatedUid(int isolatedUid) {
     lock_guard<mutex> lock(mIsolatedMutex);
 
     auto it = mIsolatedUidMap.find(isolatedUid);
diff --git a/cmds/statsd/src/packages/UidMap.h b/cmds/statsd/src/packages/UidMap.h
index 5e42cd1..514eec7 100644
--- a/cmds/statsd/src/packages/UidMap.h
+++ b/cmds/statsd/src/packages/UidMap.h
@@ -119,7 +119,7 @@
     void OnConfigRemoved(const ConfigKey& key);
 
     void assignIsolatedUid(int isolatedUid, int parentUid);
-    void removeIsolatedUid(int isolatedUid, int parentUid);
+    void removeIsolatedUid(int isolatedUid);
 
     // Returns the host uid if it exists. Otherwise, returns the same uid that was passed-in.
     virtual int getHostUidOrSelf(int uid) const;
diff --git a/core/java/com/android/internal/os/BatteryStatsImpl.java b/core/java/com/android/internal/os/BatteryStatsImpl.java
index 4cc91ec..c354634 100644
--- a/core/java/com/android/internal/os/BatteryStatsImpl.java
+++ b/core/java/com/android/internal/os/BatteryStatsImpl.java
@@ -4029,8 +4029,6 @@
 
     public void addIsolatedUidLocked(int isolatedUid, int appUid) {
         mIsolatedUids.put(isolatedUid, appUid);
-        StatsLog.write(StatsLog.ISOLATED_UID_CHANGED, appUid, isolatedUid,
-                StatsLog.ISOLATED_UID_CHANGED__EVENT__CREATED);
         final Uid u = getUidStatsLocked(appUid);
         u.addIsolatedUid(isolatedUid);
     }
@@ -4054,9 +4052,6 @@
      */
     @GuardedBy("this")
     public void removeIsolatedUidLocked(int isolatedUid) {
-        StatsLog.write(
-                StatsLog.ISOLATED_UID_CHANGED, mIsolatedUids.get(isolatedUid, -1),
-                isolatedUid, StatsLog.ISOLATED_UID_CHANGED__EVENT__REMOVED);
         final int idx = mIsolatedUids.indexOfKey(isolatedUid);
         if (idx >= 0) {
             final int ownerUid = mIsolatedUids.valueAt(idx);
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 4b386be..7229ac1 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -12924,6 +12924,8 @@
             // about the process state of the isolated UID *before* it is registered with the
             // owning application.
             mBatteryStatsService.addIsolatedUid(uid, info.uid);
+            StatsLog.write(StatsLog.ISOLATED_UID_CHANGED, info.uid, uid,
+                    StatsLog.ISOLATED_UID_CHANGED__EVENT__CREATED);
         }
         final ProcessRecord r = new ProcessRecord(this, stats, info, proc, uid);
         if (!mBooted && !mBooting
diff --git a/services/core/java/com/android/server/am/BatteryExternalStatsWorker.java b/services/core/java/com/android/server/am/BatteryExternalStatsWorker.java
index 49fa902..094cf06 100644
--- a/services/core/java/com/android/server/am/BatteryExternalStatsWorker.java
+++ b/services/core/java/com/android/server/am/BatteryExternalStatsWorker.java
@@ -31,6 +31,7 @@
 import android.telephony.TelephonyManager;
 import android.util.IntArray;
 import android.util.Slog;
+import android.util.StatsLog;
 import android.util.TimeUtils;
 
 import com.android.internal.annotations.GuardedBy;
@@ -367,6 +368,8 @@
                 // Clean up any UIDs if necessary.
                 synchronized (mStats) {
                     for (int uid : uidsToRemove) {
+                        StatsLog.write(StatsLog.ISOLATED_UID_CHANGED, -1, uid,
+                                StatsLog.ISOLATED_UID_CHANGED__EVENT__REMOVED);
                         mStats.removeIsolatedUidLocked(uid);
                     }
                     mStats.clearPendingRemovedUids();