diff --git a/src/com/android/server/telecom/PhoneAccountRegistrar.java b/src/com/android/server/telecom/PhoneAccountRegistrar.java
index 80c1afc..7b24a09 100644
--- a/src/com/android/server/telecom/PhoneAccountRegistrar.java
+++ b/src/com/android/server/telecom/PhoneAccountRegistrar.java
@@ -32,7 +32,6 @@
 import android.graphics.BitmapFactory;
 import android.graphics.drawable.Icon;
 import android.net.Uri;
-import android.os.Binder;
 import android.os.Bundle;
 import android.os.AsyncTask;
 import android.os.PersistableBundle;
@@ -158,14 +157,9 @@
     };
 
     public static final String FILE_NAME = "phone-account-registrar-state.xml";
-    public static final String ICON_ERROR_MSG =
-            "Icon cannot be written to memory. Try compressing or downsizing";
     @VisibleForTesting
     public static final int EXPECTED_STATE_VERSION = 9;
     public static final int MAX_PHONE_ACCOUNT_REGISTRATIONS = 10;
-    public static final int MAX_PHONE_ACCOUNT_EXTRAS_KEY_PAIR_LIMIT = 100;
-    public static final int MAX_PHONE_ACCOUNT_FIELD_CHAR_LIMIT = 256;
-    public static final int MAX_SCHEMES_PER_ACCOUNT = 10;
 
     /** Keep in sync with the same in SipSettings.java */
     private static final String SIP_SHARED_PREFERENCES = "SIP_PREFERENCES";
@@ -815,15 +809,6 @@
         return getPhoneAccountHandles(0, null, packageName, false, userHandle);
     }
 
-
-    /**
-     * includes disabled, includes crossUserAccess
-     */
-    public List<PhoneAccountHandle> getAllPhoneAccountHandlesForPackage(UserHandle userHandle,
-            String packageName) {
-        return getPhoneAccountHandles(0, null, packageName, true /* includeDisabled */, userHandle);
-    }
-
     /**
      * Retrieves a list of all {@link PhoneAccount#CAPABILITY_SELF_MANAGED} phone accounts
      * registered by a specified package.
@@ -862,11 +847,8 @@
      * Performs checks before calling addOrReplacePhoneAccount(PhoneAccount)
      *
      * @param account The {@code PhoneAccount} to add or replace.
-     * @throws SecurityException        if package does not have BIND_TELECOM_CONNECTION_SERVICE
-     *                                  permission
+     * @throws SecurityException if package does not have BIND_TELECOM_CONNECTION_SERVICE permission
      * @throws IllegalArgumentException if MAX_PHONE_ACCOUNT_REGISTRATIONS are reached
-     * @throws IllegalArgumentException if MAX_PHONE_ACCOUNT_FIELD_CHAR_LIMIT is reached
-     * @throws IllegalArgumentException if writing the Icon to memory will cause an Exception
      */
     public void registerPhoneAccount(PhoneAccount account) {
         // Enforce the requirement that a connection service for a phone account has the correct
@@ -878,157 +860,21 @@
             throw new SecurityException("PhoneAccount connection service requires "
                     + "BIND_TELECOM_CONNECTION_SERVICE permission.");
         }
-        enforceCharacterLimit(account);
-        enforceIconSizeLimit(account);
-        enforceMaxPhoneAccountLimit(account);
-        addOrReplacePhoneAccount(account);
-    }
-
-    /**
-     * Enforce an upper bound on the number of PhoneAccount's a package can register.
-     * Most apps should only require 1-2.  * Include disabled accounts.
-     *
-     * @param account to enforce check on
-     * @throws IllegalArgumentException if MAX_PHONE_ACCOUNT_REGISTRATIONS are reached
-     */
-    private void enforceMaxPhoneAccountLimit(@NonNull PhoneAccount account) {
-        final PhoneAccountHandle accountHandle = account.getAccountHandle();
-        final UserHandle user = accountHandle.getUserHandle();
-        final ComponentName componentName = accountHandle.getComponentName();
-
-        if (getPhoneAccountHandles(0, null, componentName.getPackageName(),
-                true /* includeDisabled */, user).size()
+        //Enforce an upper bound on the number of PhoneAccount's a package can register.
+        // Most apps should only require 1-2.
+        if (getPhoneAccountsForPackage(
+                account.getAccountHandle().getComponentName().getPackageName(),
+                account.getAccountHandle().getUserHandle()).size()
                 >= MAX_PHONE_ACCOUNT_REGISTRATIONS) {
-            EventLog.writeEvent(0x534e4554, "259064622", Binder.getCallingUid(),
-                    "enforceMaxPhoneAccountLimit");
+            Log.w(this, "Phone account %s reached max registration limit for package",
+                    account.getAccountHandle());
             throw new IllegalArgumentException(
                     "Error, cannot register phone account " + account.getAccountHandle()
                             + " because the limit, " + MAX_PHONE_ACCOUNT_REGISTRATIONS
                             + ", has been reached");
         }
-    }
 
-    /**
-     * determine if there will be an issue writing the icon to memory
-     *
-     * @param account to enforce check on
-     * @throws IllegalArgumentException if writing the Icon to memory will cause an Exception
-     */
-    @VisibleForTesting
-    public void enforceIconSizeLimit(PhoneAccount account) {
-        if (account.getIcon() == null) {
-            return;
-        }
-        String text = "";
-        // convert the icon into a Base64 String
-        try {
-            text = XmlSerialization.writeIconToBase64String(account.getIcon());
-        } catch (IOException e) {
-            EventLog.writeEvent(0x534e4554, "259064622", Binder.getCallingUid(),
-                    "enforceIconSizeLimit");
-            throw new IllegalArgumentException(ICON_ERROR_MSG);
-        }
-    }
-
-    /**
-     * All {@link PhoneAccount} and{@link PhoneAccountHandle} String and Char-Sequence fields
-     * should be restricted to character limit of MAX_PHONE_ACCOUNT_CHAR_LIMIT to prevent exceptions
-     * when writing large character streams to XML-Serializer.
-     *
-     * @param account to enforce character limit checks on
-     * @throws IllegalArgumentException if MAX_PHONE_ACCOUNT_FIELD_CHAR_LIMIT reached
-     */
-    public void enforceCharacterLimit(PhoneAccount account) {
-        if (account == null) {
-            return;
-        }
-        PhoneAccountHandle handle = account.getAccountHandle();
-
-        String[] fields =
-                {"Package Name", "Class Name", "PhoneAccountHandle Id", "Label", "ShortDescription",
-                        "GroupId", "Address", "SubscriptionAddress"};
-
-        CharSequence[] args = {handle.getComponentName().getPackageName(),
-                handle.getComponentName().getClassName(), handle.getId(), account.getLabel(),
-                account.getShortDescription(), account.getGroupId(),
-                (account.getAddress() != null ? account.getAddress().toString() : ""),
-                (account.getSubscriptionAddress() != null ?
-                        account.getSubscriptionAddress().toString() : "")};
-
-        for (int i = 0; i < fields.length; i++) {
-            if (args[i] != null && args[i].length() > MAX_PHONE_ACCOUNT_FIELD_CHAR_LIMIT) {
-                EventLog.writeEvent(0x534e4554, "259064622", Binder.getCallingUid(),
-                        "enforceCharacterLimit");
-                throw new IllegalArgumentException("The PhoneAccount or PhoneAccountHandle ["
-                        + fields[i] + "] field has an invalid character count. PhoneAccount and "
-                        + "PhoneAccountHandle String and Char-Sequence fields are limited to "
-                        + MAX_PHONE_ACCOUNT_FIELD_CHAR_LIMIT + " characters.");
-            }
-        }
-
-        // Enforce limits on the URI Schemes provided
-        enforceLimitsOnSchemes(account);
-
-        // Enforce limit on the PhoneAccount#mExtras
-        Bundle extras = account.getExtras();
-        if (extras != null) {
-            if (extras.keySet().size() > MAX_PHONE_ACCOUNT_EXTRAS_KEY_PAIR_LIMIT) {
-                EventLog.writeEvent(0x534e4554, "259064622", Binder.getCallingUid(),
-                        "enforceCharacterLimit");
-                throw new IllegalArgumentException("The PhoneAccount#mExtras is limited to " +
-                        MAX_PHONE_ACCOUNT_EXTRAS_KEY_PAIR_LIMIT + " (key,value) pairs.");
-            }
-
-            for (String key : extras.keySet()) {
-                Object value = extras.get(key);
-
-                if ((key != null && key.length() > MAX_PHONE_ACCOUNT_FIELD_CHAR_LIMIT) ||
-                        (value instanceof String &&
-                                ((String) value).length() > MAX_PHONE_ACCOUNT_FIELD_CHAR_LIMIT)) {
-                    EventLog.writeEvent(0x534e4554, "259064622", Binder.getCallingUid(),
-                            "enforceCharacterLimit");
-                    throw new IllegalArgumentException("The PhoneAccount#mExtras contains a String"
-                            + " key or value that has an invalid character count. PhoneAccount and "
-                            + "PhoneAccountHandle String and Char-Sequence fields are limited to "
-                            + MAX_PHONE_ACCOUNT_FIELD_CHAR_LIMIT + " characters.");
-                }
-            }
-        }
-    }
-
-    /**
-     * Enforce a character limit on all PA and PAH string or char-sequence fields.
-     *
-     * @param account to enforce check on
-     * @throws IllegalArgumentException if MAX_PHONE_ACCOUNT_FIELD_CHAR_LIMIT reached
-     */
-    @VisibleForTesting
-    public void enforceLimitsOnSchemes(@NonNull PhoneAccount account) {
-        List<String> schemes = account.getSupportedUriSchemes();
-
-        if (schemes == null) {
-            return;
-        }
-
-        if (schemes.size() > MAX_SCHEMES_PER_ACCOUNT) {
-            EventLog.writeEvent(0x534e4554, "259064622", Binder.getCallingUid(),
-                    "enforceLimitsOnSchemes");
-            throw new IllegalArgumentException(
-                    "Error, cannot register phone account " + account.getAccountHandle()
-                            + " because the URI scheme limit of "
-                            + MAX_SCHEMES_PER_ACCOUNT + " has been reached");
-        }
-
-        for (String scheme : schemes) {
-            if (scheme.length() > MAX_PHONE_ACCOUNT_FIELD_CHAR_LIMIT) {
-                EventLog.writeEvent(0x534e4554, "259064622", Binder.getCallingUid(),
-                        "enforceLimitsOnSchemes");
-                throw new IllegalArgumentException(
-                        "Error, cannot register phone account " + account.getAccountHandle()
-                                + " because the max scheme limit of "
-                                + MAX_PHONE_ACCOUNT_FIELD_CHAR_LIMIT + " has been reached");
-            }
-        }
+        addOrReplacePhoneAccount(account);
     }
 
     /**
@@ -1920,20 +1766,17 @@
         protected void writeIconIfNonNull(String tagName, Icon value, XmlSerializer serializer)
                 throws IOException {
             if (value != null) {
-                String text = writeIconToBase64String(value);
+                ByteArrayOutputStream stream = new ByteArrayOutputStream();
+                value.writeToStream(stream);
+                byte[] iconByteArray = stream.toByteArray();
+                String text = Base64.encodeToString(iconByteArray, 0, iconByteArray.length, 0);
+
                 serializer.startTag(null, tagName);
                 serializer.text(text);
                 serializer.endTag(null, tagName);
             }
         }
 
-        public static String writeIconToBase64String(Icon icon) throws IOException {
-            ByteArrayOutputStream stream = new ByteArrayOutputStream();
-            icon.writeToStream(stream);
-            byte[] iconByteArray = stream.toByteArray();
-            return Base64.encodeToString(iconByteArray, 0, iconByteArray.length, 0);
-        }
-
         protected void writeLong(String tagName, long value, XmlSerializer serializer)
                 throws IOException {
             serializer.startTag(null, tagName);
diff --git a/src/com/android/server/telecom/TelecomServiceImpl.java b/src/com/android/server/telecom/TelecomServiceImpl.java
index 8f637c4..ee7aba6 100644
--- a/src/com/android/server/telecom/TelecomServiceImpl.java
+++ b/src/com/android/server/telecom/TelecomServiceImpl.java
@@ -70,9 +70,7 @@
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
 import java.util.Collections;
-import java.util.HashSet;
 import java.util.List;
-import java.util.Set;
 
 // TODO: Needed for move to system service: import com.android.internal.R;
 
@@ -348,7 +346,7 @@
                 try {
                     Log.startSession("TSI.gPAFP");
                     return new ParceledListSlice<>(mPhoneAccountRegistrar
-                            .getAllPhoneAccountHandlesForPackage(callingUserHandle, packageName));
+                            .getPhoneAccountsForPackage(packageName, callingUserHandle));
                 } catch (Exception e) {
                     Log.e(this, e, "getPhoneAccountsForPackage %s", packageName);
                     throw e;
diff --git a/tests/src/com/android/server/telecom/tests/PhoneAccountRegistrarTest.java b/tests/src/com/android/server/telecom/tests/PhoneAccountRegistrarTest.java
index fb92ae6..ffa08e2 100644
--- a/tests/src/com/android/server/telecom/tests/PhoneAccountRegistrarTest.java
+++ b/tests/src/com/android/server/telecom/tests/PhoneAccountRegistrarTest.java
@@ -23,17 +23,10 @@
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 import static org.mockito.Matchers.anyBoolean;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyObject;
-import static org.mockito.ArgumentMatchers.isA;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Mockito.clearInvocations;
 import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.doThrow;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -90,8 +83,6 @@
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
-import java.io.IOException;
-import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -109,7 +100,6 @@
     private final String PACKAGE_2 = "PACKAGE_2";
     private final String COMPONENT_NAME = "com.android.server.telecom.tests.MockConnectionService";
     private final TelecomSystem.SyncRoot mLock = new TelecomSystem.SyncRoot() { };
-    private static final String TEST_ID = "123";
     private PhoneAccountRegistrar mRegistrar;
     @Mock private SubscriptionManager mSubscriptionManager;
     @Mock private TelecomManager mTelecomManager;
@@ -1264,109 +1254,6 @@
                 defaultPhoneAccountHandle.phoneAccountHandle.getId());
     }
 
-   /**
-     * Ensure an IllegalArgumentException is thrown when adding more than 10 schemes for a single
-     * account
-     */
-    @Test
-    public void testLimitOnSchemeCount() {
-        PhoneAccountHandle handle = makeQuickAccountHandle(TEST_ID);
-        PhoneAccount.Builder builder = new PhoneAccount.Builder(handle, TEST_LABEL);
-        for (int i = 0; i < PhoneAccountRegistrar.MAX_PHONE_ACCOUNT_REGISTRATIONS + 1; i++) {
-            builder.addSupportedUriScheme(Integer.toString(i));
-        }
-        try {
-            mRegistrar.enforceLimitsOnSchemes(builder.build());
-            fail("should have hit exception in enforceLimitOnSchemes");
-        } catch (IllegalArgumentException e) {
-            // pass test
-        }
-    }
-
-    /**
-     * Ensure an IllegalArgumentException is thrown when adding more 256 chars for a single
-     * account
-     */
-    @Test
-    public void testLimitOnSchemeLength() {
-        PhoneAccountHandle handle = makeQuickAccountHandle(TEST_ID);
-        PhoneAccount.Builder builder = new PhoneAccount.Builder(handle, TEST_LABEL);
-        builder.addSupportedUriScheme(generateStringOfLen(257));
-        try {
-            mRegistrar.enforceLimitsOnSchemes(builder.build());
-            fail("should have hit exception in enforceLimitOnSchemes");
-        } catch (IllegalArgumentException e) {
-            // pass test
-        }
-    }
-
-    /**
-     * Ensure an IllegalArgumentException is thrown when adding an address over the limit
-     */
-    @Test
-    public void testLimitOnAddress() {
-        String text = generateStringOfLen(100);
-        PhoneAccountHandle handle = makeQuickAccountHandle(TEST_ID);
-        PhoneAccount.Builder builder = new PhoneAccount.Builder(handle,TEST_LABEL)
-                .setAddress(Uri.fromParts(text, text, text));
-        try {
-            mRegistrar.enforceCharacterLimit(builder.build());
-            fail("failed to throw IllegalArgumentException");
-        } catch (IllegalArgumentException e) {
-            // pass test
-        }
-        finally {
-            mRegistrar.unregisterPhoneAccount(handle);
-        }
-    }
-
-    /**
-     * Ensure an IllegalArgumentException is thrown when an Icon that throws an IOException is given
-     */
-    @Test
-    public void testLimitOnIcon() throws Exception {
-        Icon mockIcon = mock(Icon.class);
-        // GIVEN
-        PhoneAccount.Builder builder = new PhoneAccount.Builder(
-                makeQuickAccountHandle(TEST_ID), TEST_LABEL).setIcon(mockIcon);
-        try {
-            // WHEN
-            Mockito.doThrow(new IOException())
-                    .when(mockIcon).writeToStream(any(OutputStream.class));
-            //THEN
-            mRegistrar.enforceIconSizeLimit(builder.build());
-            fail("failed to throw IllegalArgumentException");
-        } catch (IllegalArgumentException e) {
-            // pass test
-            assertTrue(e.getMessage().contains(PhoneAccountRegistrar.ICON_ERROR_MSG));
-        }
-    }
-
-    /**
-     * Ensure an IllegalArgumentException is thrown when providing a SubscriptionAddress that
-     * exceeds the PhoneAccountRegistrar limit.
-     */
-    @Test
-    public void testLimitOnSubscriptionAddress() throws Exception {
-        String text = generateStringOfLen(100);
-        PhoneAccount.Builder builder =  new PhoneAccount.Builder(makeQuickAccountHandle(TEST_ID),
-                TEST_LABEL).setSubscriptionAddress(Uri.fromParts(text, text, text));
-        try {
-            mRegistrar.enforceCharacterLimit(builder.build());
-            fail("failed to throw IllegalArgumentException");
-        } catch (IllegalArgumentException e) {
-            // pass test
-        }
-    }
-
-   private String generateStringOfLen(int len){
-       StringBuilder sb = new StringBuilder();
-       for(int i=0; i < len; i++){
-           sb.append("a");
-       }
-       return sb.toString();
-   }
-
     private static ComponentName makeQuickConnectionServiceComponentName() {
         return new ComponentName(
                 "com.android.server.telecom.tests",
diff --git a/tests/src/com/android/server/telecom/tests/TelecomServiceImplTest.java b/tests/src/com/android/server/telecom/tests/TelecomServiceImplTest.java
index bc983d1..90bdc80 100644
--- a/tests/src/com/android/server/telecom/tests/TelecomServiceImplTest.java
+++ b/tests/src/com/android/server/telecom/tests/TelecomServiceImplTest.java
@@ -453,7 +453,7 @@
             add(SIP_PA_HANDLE_17);
         }};
         when(mFakePhoneAccountRegistrar
-                .getAllPhoneAccountHandlesForPackage(any(UserHandle.class), anyString()))
+                .getPhoneAccountsForPackage(anyString(), any(UserHandle.class)))
                 .thenReturn(phoneAccountHandleList);
         makeAccountsVisibleToAllUsers(TEL_PA_HANDLE_16, SIP_PA_HANDLE_17);
         assertEquals(phoneAccountHandleList,