diff --git a/java/com/android/dialer/phonelookup/PhoneLookupModule.java b/java/com/android/dialer/phonelookup/PhoneLookupModule.java
index a4cc5c7..273a2d0 100644
--- a/java/com/android/dialer/phonelookup/PhoneLookupModule.java
+++ b/java/com/android/dialer/phonelookup/PhoneLookupModule.java
@@ -16,7 +16,6 @@
 
 package com.android.dialer.phonelookup;
 
-import com.android.dialer.phonelookup.blockednumber.DialerBlockedNumberPhoneLookup;
 import com.android.dialer.phonelookup.blockednumber.SystemBlockedNumberPhoneLookup;
 import com.android.dialer.phonelookup.cp2.Cp2DefaultDirectoryPhoneLookup;
 import com.android.dialer.phonelookup.cp2.Cp2ExtendedDirectoryPhoneLookup;
@@ -34,13 +33,11 @@
   static ImmutableList<PhoneLookup> providePhoneLookupList(
       Cp2DefaultDirectoryPhoneLookup cp2DefaultDirectoryPhoneLookup,
       Cp2ExtendedDirectoryPhoneLookup cp2ExtendedDirectoryPhoneLookup,
-      DialerBlockedNumberPhoneLookup dialerBlockedNumberPhoneLookup,
       SystemBlockedNumberPhoneLookup systemBlockedNumberPhoneLookup,
       SpamPhoneLookup spamPhoneLookup) {
     return ImmutableList.of(
         cp2DefaultDirectoryPhoneLookup,
         cp2ExtendedDirectoryPhoneLookup,
-        dialerBlockedNumberPhoneLookup,
         systemBlockedNumberPhoneLookup,
         spamPhoneLookup);
   }
diff --git a/java/com/android/dialer/phonelookup/blockednumber/DialerBlockedNumberPhoneLookup.java b/java/com/android/dialer/phonelookup/blockednumber/DialerBlockedNumberPhoneLookup.java
deleted file mode 100644
index ce879a9..0000000
--- a/java/com/android/dialer/phonelookup/blockednumber/DialerBlockedNumberPhoneLookup.java
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License
- */
-
-package com.android.dialer.phonelookup.blockednumber;
-
-import android.content.Context;
-import android.database.Cursor;
-import android.support.annotation.WorkerThread;
-import android.util.ArraySet;
-import com.android.dialer.DialerPhoneNumber;
-import com.android.dialer.blocking.FilteredNumberCompat;
-import com.android.dialer.calllog.observer.MarkDirtyObserver;
-import com.android.dialer.common.Assert;
-import com.android.dialer.common.LogUtil;
-import com.android.dialer.common.concurrent.Annotations.BackgroundExecutor;
-import com.android.dialer.common.database.Selection;
-import com.android.dialer.database.FilteredNumberContract.FilteredNumber;
-import com.android.dialer.database.FilteredNumberContract.FilteredNumberColumns;
-import com.android.dialer.database.FilteredNumberContract.FilteredNumberTypes;
-import com.android.dialer.inject.ApplicationContext;
-import com.android.dialer.phonelookup.PhoneLookup;
-import com.android.dialer.phonelookup.PhoneLookupInfo;
-import com.android.dialer.phonelookup.PhoneLookupInfo.BlockedState;
-import com.android.dialer.phonelookup.PhoneLookupInfo.DialerBlockedNumberInfo;
-import com.android.dialer.phonenumberproto.PartitionedNumbers;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.ImmutableSet;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.ListenableFuture;
-import com.google.common.util.concurrent.ListeningExecutorService;
-import java.util.Set;
-import javax.inject.Inject;
-
-/**
- * Lookup blocked numbers in the dialer internal database. This is used when the system database is
- * not yet available.
- */
-public final class DialerBlockedNumberPhoneLookup implements PhoneLookup<DialerBlockedNumberInfo> {
-
-  private final Context appContext;
-  private final ListeningExecutorService executorService;
-  private final MarkDirtyObserver markDirtyObserver;
-
-  @Inject
-  DialerBlockedNumberPhoneLookup(
-      @ApplicationContext Context appContext,
-      @BackgroundExecutor ListeningExecutorService executorService,
-      MarkDirtyObserver markDirtyObserver) {
-    this.appContext = appContext;
-    this.executorService = executorService;
-    this.markDirtyObserver = markDirtyObserver;
-  }
-
-  @Override
-  public ListenableFuture<DialerBlockedNumberInfo> lookup(DialerPhoneNumber dialerPhoneNumber) {
-    if (FilteredNumberCompat.useNewFiltering(appContext)) {
-      return Futures.immediateFuture(DialerBlockedNumberInfo.getDefaultInstance());
-    }
-    return executorService.submit(
-        () -> queryNumbers(ImmutableSet.of(dialerPhoneNumber)).get(dialerPhoneNumber));
-  }
-
-  @Override
-  public ListenableFuture<Boolean> isDirty(ImmutableSet<DialerPhoneNumber> phoneNumbers) {
-    // Dirty state is recorded with PhoneLookupDataSource.markDirtyAndNotify(), which will force
-    // rebuild with the CallLogFramework
-    return Futures.immediateFuture(false);
-  }
-
-  @Override
-  public ListenableFuture<ImmutableMap<DialerPhoneNumber, DialerBlockedNumberInfo>>
-      getMostRecentInfo(ImmutableMap<DialerPhoneNumber, DialerBlockedNumberInfo> existingInfoMap) {
-    if (FilteredNumberCompat.useNewFiltering(appContext)) {
-      return Futures.immediateFuture(existingInfoMap);
-    }
-    LogUtil.enterBlock("DialerBlockedNumberPhoneLookup.getMostRecentPhoneLookupInfo");
-    return executorService.submit(() -> queryNumbers(existingInfoMap.keySet()));
-  }
-
-  @Override
-  public void setSubMessage(
-      PhoneLookupInfo.Builder phoneLookupInfo, DialerBlockedNumberInfo subMessage) {
-    phoneLookupInfo.setDialerBlockedNumberInfo(subMessage);
-  }
-
-  @Override
-  public DialerBlockedNumberInfo getSubMessage(PhoneLookupInfo phoneLookupInfo) {
-    return phoneLookupInfo.getDialerBlockedNumberInfo();
-  }
-
-  @Override
-  public ListenableFuture<Void> onSuccessfulBulkUpdate() {
-    return Futures.immediateFuture(null);
-  }
-
-  @WorkerThread
-  private ImmutableMap<DialerPhoneNumber, DialerBlockedNumberInfo> queryNumbers(
-      ImmutableSet<DialerPhoneNumber> numbers) {
-    Assert.isWorkerThread();
-    PartitionedNumbers partitionedNumbers = new PartitionedNumbers(numbers);
-
-    Set<DialerPhoneNumber> blockedNumbers = new ArraySet<>();
-
-    Selection normalizedSelection =
-        Selection.column(FilteredNumberColumns.NORMALIZED_NUMBER)
-            .in(partitionedNumbers.validE164Numbers());
-    try (Cursor cursor =
-        appContext
-            .getContentResolver()
-            .query(
-                FilteredNumber.CONTENT_URI,
-                new String[] {FilteredNumberColumns.NORMALIZED_NUMBER, FilteredNumberColumns.TYPE},
-                normalizedSelection.getSelection(),
-                normalizedSelection.getSelectionArgs(),
-                null)) {
-      while (cursor != null && cursor.moveToNext()) {
-        if (cursor.getInt(1) == FilteredNumberTypes.BLOCKED_NUMBER) {
-          blockedNumbers.addAll(
-              partitionedNumbers.dialerPhoneNumbersForValidE164(cursor.getString(0)));
-        }
-      }
-    }
-
-    Selection rawSelection =
-        Selection.column(FilteredNumberColumns.NUMBER).in(partitionedNumbers.invalidNumbers());
-    try (Cursor cursor =
-        appContext
-            .getContentResolver()
-            .query(
-                FilteredNumber.CONTENT_URI,
-                new String[] {FilteredNumberColumns.NUMBER, FilteredNumberColumns.TYPE},
-                rawSelection.getSelection(),
-                rawSelection.getSelectionArgs(),
-                null)) {
-      while (cursor != null && cursor.moveToNext()) {
-        if (cursor.getInt(1) == FilteredNumberTypes.BLOCKED_NUMBER) {
-          blockedNumbers.addAll(
-              partitionedNumbers.dialerPhoneNumbersForInvalid(cursor.getString(0)));
-        }
-      }
-    }
-
-    ImmutableMap.Builder<DialerPhoneNumber, DialerBlockedNumberInfo> result =
-        ImmutableMap.builder();
-
-    for (DialerPhoneNumber number : numbers) {
-      result.put(
-          number,
-          DialerBlockedNumberInfo.newBuilder()
-              .setBlockedState(
-                  blockedNumbers.contains(number) ? BlockedState.BLOCKED : BlockedState.NOT_BLOCKED)
-              .build());
-    }
-
-    return result.build();
-  }
-
-  @Override
-  public void registerContentObservers() {
-    appContext
-        .getContentResolver()
-        .registerContentObserver(
-            FilteredNumber.CONTENT_URI,
-            true, // FilteredNumberProvider notifies on the item
-            markDirtyObserver);
-  }
-
-  @Override
-  public void unregisterContentObservers() {
-    appContext.getContentResolver().unregisterContentObserver(markDirtyObserver);
-  }
-
-  @Override
-  public ListenableFuture<Void> clearData() {
-    return Futures.immediateFuture(null);
-  }
-}
diff --git a/java/com/android/dialer/phonelookup/consolidator/PhoneLookupInfoConsolidator.java b/java/com/android/dialer/phonelookup/consolidator/PhoneLookupInfoConsolidator.java
index f9ffd04..4b994e7 100644
--- a/java/com/android/dialer/phonelookup/consolidator/PhoneLookupInfoConsolidator.java
+++ b/java/com/android/dialer/phonelookup/consolidator/PhoneLookupInfoConsolidator.java
@@ -278,10 +278,7 @@
           .getBlockedState()
           .equals(BlockedState.BLOCKED);
     }
-    return phoneLookupInfo
-        .getDialerBlockedNumberInfo()
-        .getBlockedState()
-        .equals(BlockedState.BLOCKED);
+    return false;
   }
 
   /**
diff --git a/java/com/android/dialer/phonelookup/phone_lookup_info.proto b/java/com/android/dialer/phonelookup/phone_lookup_info.proto
index 44c237b..5fa33d4 100644
--- a/java/com/android/dialer/phonelookup/phone_lookup_info.proto
+++ b/java/com/android/dialer/phonelookup/phone_lookup_info.proto
@@ -145,11 +145,4 @@
     optional BlockedState blocked_state = 1;
   }
   optional SystemBlockedNumberInfo system_blocked_number_info = 4;
-
-  // Message for the dialer fallback for blocked number. Used in M or when the
-  // migration to the system has not been completed.
-  message DialerBlockedNumberInfo {
-    optional BlockedState blocked_state = 1;
-  }
-  optional DialerBlockedNumberInfo dialer_blocked_number_info = 5;
 }
\ No newline at end of file