diff --git a/app/src/main/java/org/dslul/openboard/inputmethod/compat/ConnectivityManagerCompatUtils.java b/app/src/main/java/org/dslul/openboard/inputmethod/compat/ConnectivityManagerCompatUtils.java
deleted file mode 100644
index 59b871f71..000000000
--- a/app/src/main/java/org/dslul/openboard/inputmethod/compat/ConnectivityManagerCompatUtils.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright (C) 2013 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 org.dslul.openboard.inputmethod.compat;
-
-import android.net.ConnectivityManager;
-
-import java.lang.reflect.Method;
-
-public final class ConnectivityManagerCompatUtils {
-    // ConnectivityManager#isActiveNetworkMetered() has been introduced
-    // in API level 16 (Build.VERSION_CODES.JELLY_BEAN).
-    private static final Method METHOD_isActiveNetworkMetered = CompatUtils.getMethod(
-            ConnectivityManager.class, "isActiveNetworkMetered");
-
-    public static boolean isActiveNetworkMetered(final ConnectivityManager manager) {
-        return (Boolean)CompatUtils.invoke(manager,
-                // If the API telling whether the network is metered or not is not available,
-                // then the closest thing is "if it's a mobile connection".
-                manager.getActiveNetworkInfo().getType() == ConnectivityManager.TYPE_MOBILE,
-                METHOD_isActiveNetworkMetered);
-    }
-}
diff --git a/app/src/main/java/org/dslul/openboard/inputmethod/latin/ContactsBinaryDictionary.java b/app/src/main/java/org/dslul/openboard/inputmethod/latin/ContactsBinaryDictionary.java
index 4e23c021f..aa0854240 100644
--- a/app/src/main/java/org/dslul/openboard/inputmethod/latin/ContactsBinaryDictionary.java
+++ b/app/src/main/java/org/dslul/openboard/inputmethod/latin/ContactsBinaryDictionary.java
@@ -27,11 +27,9 @@ import org.dslul.openboard.inputmethod.annotations.ExternallyReferenced;
 import org.dslul.openboard.inputmethod.latin.ContactsManager.ContactsChangedListener;
 import org.dslul.openboard.inputmethod.latin.common.StringUtils;
 import org.dslul.openboard.inputmethod.latin.permissions.PermissionsUtil;
-import org.dslul.openboard.inputmethod.latin.personalization.AccountUtils;
 
 import java.io.File;
 import java.util.ArrayList;
-import java.util.List;
 import java.util.Locale;
 
 import javax.annotation.Nullable;
@@ -80,34 +78,11 @@ public class ContactsBinaryDictionary extends ExpandableBinaryDictionary
      */
     @Override
     public void loadInitialContentsLocked() {
-        loadDeviceAccountsEmailAddressesLocked();
         loadDictionaryForUriLocked(ContactsContract.Profile.CONTENT_URI);
         // TODO: Switch this URL to the newer ContactsContract too
         loadDictionaryForUriLocked(Contacts.CONTENT_URI);
     }
 
-    /**
-     * Loads device accounts to the dictionary.
-     */
-    private void loadDeviceAccountsEmailAddressesLocked() {
-        final List<String> accountVocabulary =
-                AccountUtils.getDeviceAccountsEmailAddresses(mContext);
-        if (accountVocabulary == null || accountVocabulary.isEmpty()) {
-            return;
-        }
-        for (String word : accountVocabulary) {
-            if (DEBUG) {
-                Log.d(TAG, "loadAccountVocabulary: " + word);
-            }
-            runGCIfRequiredLocked(true /* mindsBlockByGC */);
-            addUnigramLocked(word, ContactsDictionaryConstants.FREQUENCY_FOR_CONTACTS,
-                    null /* shortcut */,
-                    0 /* shortcutFreq */,
-                    false /* isNotAWord */, false /* isPossiblyOffensive */,
-                    BinaryDictionary.NOT_A_VALID_TIMESTAMP);
-        }
-    }
-
     /**
      * Loads data within content providers to the dictionary.
      */
diff --git a/app/src/main/java/org/dslul/openboard/inputmethod/latin/personalization/AccountUtils.java b/app/src/main/java/org/dslul/openboard/inputmethod/latin/personalization/AccountUtils.java
deleted file mode 100644
index e85abbf13..000000000
--- a/app/src/main/java/org/dslul/openboard/inputmethod/latin/personalization/AccountUtils.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright (C) 2013 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 org.dslul.openboard.inputmethod.latin.personalization;
-
-import android.accounts.Account;
-import android.accounts.AccountManager;
-import android.content.Context;
-import android.util.Patterns;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Locale;
-
-public class AccountUtils {
-    private AccountUtils() {
-        // This utility class is not publicly instantiable.
-    }
-
-    private static Account[] getAccounts(final Context context) {
-        return AccountManager.get(context).getAccounts();
-    }
-
-    public static List<String> getDeviceAccountsEmailAddresses(final Context context) {
-        final ArrayList<String> retval = new ArrayList<>();
-        for (final Account account : getAccounts(context)) {
-            final String name = account.name;
-            if (Patterns.EMAIL_ADDRESS.matcher(name).matches()) {
-                retval.add(name);
-                retval.add(name.split("@")[0]);
-            }
-        }
-        return retval;
-    }
-
-    /**
-     * Get all device accounts having specified domain name.
-     * @param context application context
-     * @param domain domain name used for filtering
-     * @return List of account names that contain the specified domain name
-     */
-    public static List<String> getDeviceAccountsWithDomain(
-            final Context context, final String domain) {
-        final ArrayList<String> retval = new ArrayList<>();
-        final String atDomain = "@" + domain.toLowerCase(Locale.ROOT);
-        for (final Account account : getAccounts(context)) {
-            if (account.name.toLowerCase(Locale.ROOT).endsWith(atDomain)) {
-                retval.add(account.name);
-            }
-        }
-        return retval;
-    }
-}