diff --git a/src/Plugin/Derivative/IslandoraCitationsLocalTask.php b/src/Plugin/Derivative/IslandoraCitationsLocalTask.php
index 46f7b9d..a79fc40 100644
--- a/src/Plugin/Derivative/IslandoraCitationsLocalTask.php
+++ b/src/Plugin/Derivative/IslandoraCitationsLocalTask.php
@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Drupal\islandora_citations\Plugin\Derivative;
 
diff --git a/src/Plugin/Derivative/IslandoraCitationsMenuLinks.php b/src/Plugin/Derivative/IslandoraCitationsMenuLinks.php
index 7090bce..df4c4e6 100644
--- a/src/Plugin/Derivative/IslandoraCitationsMenuLinks.php
+++ b/src/Plugin/Derivative/IslandoraCitationsMenuLinks.php
@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Drupal\islandora_citations\Plugin\Derivative;
 
diff --git a/src/Routing/RouteSubscriber.php b/src/Routing/RouteSubscriber.php
index d5922e5..3315070 100644
--- a/src/Routing/RouteSubscriber.php
+++ b/src/Routing/RouteSubscriber.php
@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Drupal\islandora_citations\Routing;