diff --git a/constants.gradle b/constants.gradle
index ab3d097fbc..1e1bfd593f 100644
--- a/constants.gradle
+++ b/constants.gradle
@@ -19,7 +19,6 @@ project.ext {
     targetSdkVersion = 28
     compileSdkVersion = 28
     testSupportLibraryVersion = '0.5'
-    supportLibraryVersion = '27.1.1'
     dexmakerVersion = '1.2'
     mockitoVersion = '1.9.5'
     junitVersion = '4.12'