diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index bffe395c31dd6..561a029b2c76c 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -117,7 +117,6 @@ import java.util.Locale;
 import java.util.Map;
 import java.util.Objects;
 import java.util.TimeZone;
-import java.util.regex.Pattern;
 
 import libcore.io.DropBox;
 import libcore.io.EventLogger;
@@ -156,7 +155,6 @@ public final class ActivityThread {
     private static final boolean DEBUG_MEMORY_TRIM = false;
     private static final boolean DEBUG_PROVIDER = false;
     private static final long MIN_TIME_BETWEEN_GCS = 5*1000;
-    private static final Pattern PATTERN_SEMICOLON = Pattern.compile(";");
     private static final int SQLITE_MEM_RELEASED_EVENT_LOG_TAG = 75003;
     private static final int LOG_ON_PAUSE_CALLED = 30021;
     private static final int LOG_ON_RESUME_CALLED = 30022;
@@ -4918,7 +4916,7 @@ public final class ActivityThread {
 
     private ProviderClientRecord installProviderAuthoritiesLocked(IContentProvider provider,
             ContentProvider localProvider, IActivityManager.ContentProviderHolder holder) {
-        final String auths[] = PATTERN_SEMICOLON.split(holder.info.authority);
+        final String auths[] = holder.info.authority.split(";");
         final int userId = UserHandle.getUserId(holder.info.applicationInfo.uid);
 
         final ProviderClientRecord pcr = new ProviderClientRecord(