diff --git a/.scrutinizer.yml b/.scrutinizer.yml
deleted file mode 100644
index a6f4a063435..00000000000
--- a/.scrutinizer.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-
-inherit: true
-
-build:
-  environment:
-    variables:
-      # Must match actual branch, not alias. E.g. 4.x-dev rather than 4.1.x-dev for 4 branch, but 4.0.x-dev for 4.0 branch
-      COMPOSER_ROOT_VERSION: 4.x-dev
-  nodes:
-    analysis:
-      tests:
-        override: [php-scrutinizer-run]
-
-filter:
-  paths:
-    - src/*
-    - tests/*
diff --git a/src/Forms/GridField/GridFieldFilterHeader.php b/src/Forms/GridField/GridFieldFilterHeader.php
index d0077fffdc9..43e781a9cd3 100755
--- a/src/Forms/GridField/GridFieldFilterHeader.php
+++ b/src/Forms/GridField/GridFieldFilterHeader.php
@@ -362,7 +362,7 @@ public function getSearchForm(GridField $gridField)
         }
 
         foreach ($searchFields->getIterator() as $field) {
-            $field->addExtraClass('stacked');
+            $field->addExtraClass('stacked no-change-track');
         }
 
         $name = $gridField->Title ?: singleton($gridField->getModelClass())->i18n_plural_name();
diff --git a/tests/php/Forms/GridField/GridFieldFilterHeaderTest.php b/tests/php/Forms/GridField/GridFieldFilterHeaderTest.php
index 2c721927dc5..e7bf6a3fbbb 100644
--- a/tests/php/Forms/GridField/GridFieldFilterHeaderTest.php
+++ b/tests/php/Forms/GridField/GridFieldFilterHeaderTest.php
@@ -139,4 +139,21 @@ public function testHandleActionReset()
             'GridFieldFilterHeader::handleAction resets the gridstate filter when the user resets the search.'
         );
     }
+
+    public function testGetSearchForm()
+    {
+        $searchForm = $this->component->getSearchForm($this->gridField);
+
+        $this->assertTrue($searchForm instanceof Form);
+        $this->assertEquals('Search__Name', $searchForm->fields[0]->Name);
+        $this->assertEquals('Search__City', $searchForm->fields[1]->Name);
+        $this->assertEquals('Search__Cheerleader__Hat__Colour', $searchForm->fields[2]->Name);
+        $this->assertEquals('TeamsSearchForm', $searchForm->Name);
+        $this->assertEquals('cms-search-form', $searchForm->extraClasses['cms-search-form']);
+
+        foreach ($searchForm->fields as $field) {
+            $this->assertEquals('stacked', $field->extraClasses['stacked']);
+            $this->assertEquals('no-change-track', $field->extraClasses['no-change-track']);
+        }
+    }
 }