diff --git a/core/java/com/android/internal/os/BatteryStatsImpl.java b/core/java/com/android/internal/os/BatteryStatsImpl.java
index 43bd4a6109107..64324756796a3 100644
--- a/core/java/com/android/internal/os/BatteryStatsImpl.java
+++ b/core/java/com/android/internal/os/BatteryStatsImpl.java
@@ -6093,7 +6093,8 @@ public class BatteryStatsImpl extends BatteryStats {
         return array;
     }
 
-    public void noteNetworkInterfaceTypeLocked(String iface, int networkType) {
+    /** @hide */
+    public void noteNetworkInterfaceType(String iface, int networkType) {
         if (TextUtils.isEmpty(iface)) return;
 
         synchronized (mModemNetworkLock) {
diff --git a/services/core/java/com/android/server/am/BatteryStatsService.java b/services/core/java/com/android/server/am/BatteryStatsService.java
index dbad562c02713..b647818e3f7ad 100644
--- a/services/core/java/com/android/server/am/BatteryStatsService.java
+++ b/services/core/java/com/android/server/am/BatteryStatsService.java
@@ -1013,9 +1013,7 @@ public final class BatteryStatsService extends IBatteryStats.Stub
     @Override
     public void noteNetworkInterfaceType(String iface, int networkType) {
         enforceCallingPermission();
-        synchronized (mStats) {
-            mStats.noteNetworkInterfaceTypeLocked(iface, networkType);
-        }
+        mStats.noteNetworkInterfaceType(iface, networkType);
     }
 
     @Override