diff --git a/build.gradle b/build.gradle
index 0c66996f9..728ae5954 100644
--- a/build.gradle
+++ b/build.gradle
@@ -33,7 +33,9 @@ ext {
 }
 
 dependencies {
-    playstoreImplementation 'com.google.firebase:firebase-messaging:15.0.2'
+    playstoreImplementation('com.google.firebase:firebase-messaging:15.0.2') {
+        exclude group: 'com.google.firebase', module: 'firebase-core'
+    }
     implementation 'org.sufficientlysecure:openpgp-api:10.0'
     implementation 'com.soundcloud.android:android-crop:1.0.1@aar'
     implementation "com.android.support:support-v13:$supportLibVersion"