diff --git a/mastodon/build.gradle b/mastodon/build.gradle
index 6384b130d..a4c74bee8 100644
--- a/mastodon/build.gradle
+++ b/mastodon/build.gradle
@@ -32,7 +32,6 @@ android {
 		nightly{
 			versionNameSuffix '-nightly'
 			applicationIdSuffix '.nightly'
-			signingConfig signingConfigs.debug
 		}
 		playRelease{
 			initWith release