diff --git a/mediawiki/Dockerfile b/mediawiki/Dockerfile
index ca0b69c..7d40be2 100644
--- a/mediawiki/Dockerfile
+++ b/mediawiki/Dockerfile
@@ -77,7 +77,7 @@ RUN tar -xvf CheckUser.tar.gz \
 RUN wget https://raw.githubusercontent.com/composer/getcomposer.org/76a7060ccb93902cd7576b67264ad91c8a2700e2/web/installer -O - -q | php -- --quiet \
     && mv composer.phar /usr/local/bin/composer
 
-COPY composer.local.json /var/www/html/composer.local.json
+RUN mv /var/www/html/composer.local.json-sample /var/www/html/composer.local.json
 
 RUN cd /var/www/html && composer update && cd -
 
diff --git a/mediawiki/composer.local.json b/mediawiki/composer.local.json
deleted file mode 100644
index 5654959..0000000
--- a/mediawiki/composer.local.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-	"extra": {
-		"merge-plugin": {
-			"include": [
-				"extensions/AWS/composer.json",
-				"extensions/CheckUser/composer.json"
-			]
-		}
-	}
-}