diff --git a/app/build.gradle b/app/build.gradle
index 18efb71b..5596b933 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -67,7 +67,6 @@ dependencies {
     // Google
     implementation "com.google.android.gms:play-services-instantapps:$versions.instantApp"
     implementation "com.google.android.material:material:$versions.material"
-    implementation "com.google.android.play:core:$versions.playCore"
 
     // Dagger
     api "com.google.dagger:dagger-android:$versions.dagger"
diff --git a/app/src/main/java/dev/lucasnlm/antimine/GameActivity.kt b/app/src/main/java/dev/lucasnlm/antimine/GameActivity.kt
index 7bd152b3..70d14046 100644
--- a/app/src/main/java/dev/lucasnlm/antimine/GameActivity.kt
+++ b/app/src/main/java/dev/lucasnlm/antimine/GameActivity.kt
@@ -2,13 +2,10 @@ package dev.lucasnlm.antimine
 
 import android.content.ActivityNotFoundException
 import android.content.Intent
-import android.content.IntentSender
 import android.net.Uri
-import android.os.Build
 import android.os.Bundle
 import android.os.Handler
 import android.text.format.DateUtils
-import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
@@ -21,9 +18,6 @@ import androidx.fragment.app.FragmentTransaction
 import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProviders
 import androidx.preference.PreferenceManager
-import com.google.android.play.core.appupdate.AppUpdateManagerFactory
-import com.google.android.play.core.install.model.AppUpdateType
-import com.google.android.play.core.install.model.UpdateAvailability
 import dagger.android.support.DaggerAppCompatActivity
 import dev.lucasnlm.antimine.about.AboutActivity
 import dev.lucasnlm.antimine.common.level.models.Difficulty
@@ -91,10 +85,6 @@ class GameActivity : DaggerAppCompatActivity() {
             bindInstantApp()
             savesRepository.setLimit(1)
         } else {
-            if (Build.VERSION.SDK_INT >= 21) {
-                checkUpdate()
-            }
-
             checkUseCount()
         }
     }
@@ -504,28 +494,6 @@ class GameActivity : DaggerAppCompatActivity() {
         }
     }
 
-    /**
-     * Call Google API to request update.
-     */
-    private fun checkUpdate() {
-        val appUpdateManager = AppUpdateManagerFactory.create(this)
-        val appUpdateInfoTask = appUpdateManager.appUpdateInfo
-
-        appUpdateInfoTask.addOnSuccessListener { info ->
-            if (info.updateAvailability() == UpdateAvailability.UPDATE_AVAILABLE &&
-                info.isUpdateTypeAllowed(AppUpdateType.FLEXIBLE)
-            ) {
-                try {
-                    appUpdateManager.startUpdateFlowForResult(
-                        info, AppUpdateType.FLEXIBLE, this, 1
-                    )
-                } catch (e: IntentSender.SendIntentException) {
-                    Log.e(TAG, "Fail to request update.")
-                }
-            }
-        }
-    }
-
     /**
      * If user change any accessibility preference, the game will restart the activity to
      * apply these changes.
@@ -578,7 +546,6 @@ class GameActivity : DaggerAppCompatActivity() {
     }
 
     companion object {
-        val TAG = GameActivity::class.simpleName
         const val PREFERENCE_FIRST_USE = "preference_first_use"
         const val PREFERENCE_USE_COUNT = "preference_use_count"
         const val PREFERENCE_REQUEST_RATING = "preference_request_rating"
diff --git a/app/src/main/java/dev/lucasnlm/antimine/TvGameActivity.kt b/app/src/main/java/dev/lucasnlm/antimine/TvGameActivity.kt
index aa2b5571..db193563 100644
--- a/app/src/main/java/dev/lucasnlm/antimine/TvGameActivity.kt
+++ b/app/src/main/java/dev/lucasnlm/antimine/TvGameActivity.kt
@@ -1,12 +1,9 @@
 package dev.lucasnlm.antimine
 
 import android.content.Intent
-import android.content.IntentSender
-import android.os.Build
 import android.os.Bundle
 import android.os.Handler
 import android.text.format.DateUtils
-import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
@@ -16,9 +13,6 @@ import androidx.fragment.app.FragmentTransaction
 import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProviders
 import androidx.preference.PreferenceManager
-import com.google.android.play.core.appupdate.AppUpdateManagerFactory
-import com.google.android.play.core.install.model.AppUpdateType
-import com.google.android.play.core.install.model.UpdateAvailability
 import dagger.android.support.DaggerAppCompatActivity
 import dev.lucasnlm.antimine.about.AboutActivity
 import dev.lucasnlm.antimine.common.level.models.Difficulty
@@ -64,10 +58,6 @@ class TvGameActivity : DaggerAppCompatActivity() {
         PreferenceManager.setDefaultValues(this, R.xml.preferences, false)
 
         loadGameFragment()
-
-        if (Build.VERSION.SDK_INT >= 21) {
-            checkUpdate()
-        }
     }
 
     private fun bindViewModel() = viewModel.apply {
@@ -324,25 +314,4 @@ class TvGameActivity : DaggerAppCompatActivity() {
             else -> { }
         }
     }
-
-    private fun checkUpdate() {
-        val appUpdateManager = AppUpdateManagerFactory.create(this)
-        val appUpdateInfoTask = appUpdateManager.appUpdateInfo
-
-        appUpdateInfoTask.addOnSuccessListener { info ->
-            if (info.updateAvailability() == UpdateAvailability.UPDATE_AVAILABLE &&
-                info.isUpdateTypeAllowed(AppUpdateType.FLEXIBLE)) {
-                try {
-                    appUpdateManager.startUpdateFlowForResult(
-                        info, AppUpdateType.FLEXIBLE, this, 1)
-                } catch (e: IntentSender.SendIntentException) {
-                    Log.e(TAG, "Fail to request update.")
-                }
-            }
-        }
-    }
-
-    companion object {
-        const val TAG = "GameActivity"
-    }
 }
diff --git a/config.gradle b/config.gradle
index 2d86bf92..4512a2a8 100644
--- a/config.gradle
+++ b/config.gradle
@@ -21,14 +21,13 @@ ext.versions = [
         // Wear OS
         wear            : '1.0.0',
 
-        // Google Weae
+        // Google Wear
         playWearable    : '17.0.0',
         supportWearable : '2.5.0',
 
         // Google
         instantApp      : '17.0.0',
         material        : '1.1.0',
-        playCore        : '1.7.1',
 
         // Kotlin
         kotlin          : '1.3.70',