diff --git a/tests/manual/performance/2024/data/generated/formatting-long-paragraphs.js b/tests/_data/generated/formatting-long-paragraphs.js
similarity index 100%
rename from tests/manual/performance/2024/data/generated/formatting-long-paragraphs.js
rename to tests/_data/generated/formatting-long-paragraphs.js
diff --git a/tests/manual/performance/2024/data/generated/formatting-short-paragraphs.js b/tests/_data/generated/formatting-short-paragraphs.js
similarity index 100%
rename from tests/manual/performance/2024/data/generated/formatting-short-paragraphs.js
rename to tests/_data/generated/formatting-short-paragraphs.js
diff --git a/tests/manual/performance/2024/data/generated/index.js b/tests/_data/generated/index.js
similarity index 100%
rename from tests/manual/performance/2024/data/generated/index.js
rename to tests/_data/generated/index.js
diff --git a/tests/manual/performance/2024/data/generated/inline-styles.js b/tests/_data/generated/inline-styles.js
similarity index 100%
rename from tests/manual/performance/2024/data/generated/inline-styles.js
rename to tests/_data/generated/inline-styles.js
diff --git a/tests/manual/performance/2024/data/generated/lists.js b/tests/_data/generated/lists.js
similarity index 100%
rename from tests/manual/performance/2024/data/generated/lists.js
rename to tests/_data/generated/lists.js
diff --git a/tests/manual/performance/2024/data/generated/paragraphs.js b/tests/_data/generated/paragraphs.js
similarity index 100%
rename from tests/manual/performance/2024/data/generated/paragraphs.js
rename to tests/_data/generated/paragraphs.js
diff --git a/tests/manual/performance/2024/data/generated/table-huge.js b/tests/_data/generated/table-huge.js
similarity index 100%
rename from tests/manual/performance/2024/data/generated/table-huge.js
rename to tests/_data/generated/table-huge.js
diff --git a/tests/manual/performance/2024/data/generated/tables-many-smaller.js b/tests/_data/generated/tables-many-smaller.js
similarity index 100%
rename from tests/manual/performance/2024/data/generated/tables-many-smaller.js
rename to tests/_data/generated/tables-many-smaller.js
diff --git a/tests/manual/performance/2024/config.js b/tests/_utils/performance-config.js
similarity index 100%
rename from tests/manual/performance/2024/config.js
rename to tests/_utils/performance-config.js
diff --git a/tests/manual/performance/2024/init-single.js b/tests/manual/performance/2024/init-single.js
index befa1c4288f..00cbc9f5369 100644
--- a/tests/manual/performance/2024/init-single.js
+++ b/tests/manual/performance/2024/init-single.js
@@ -5,8 +5,8 @@
 
 /* globals console, window, document */
 
-import config from './config';
-import allDataSets from './data/generated/index.js';
+import config from '../../../_utils/performance-config.js';
+import allDataSets from '../../../_data/generated/index.js';
 import ClassicEditor from '@ckeditor/ckeditor5-editor-classic/src/classiceditor.js';
 
 const initialData = allDataSets.paragraphs();
diff --git a/tests/manual/performance/2024/init.js b/tests/manual/performance/2024/init.js
index bcf6e675400..c2d0d2c7956 100644
--- a/tests/manual/performance/2024/init.js
+++ b/tests/manual/performance/2024/init.js
@@ -5,8 +5,8 @@
 
 /* globals console, window, document */
 
-import config from './config';
-import allDataSets from './data/generated/index.js';
+import config from '../../../_utils/performance-config.js';
+import allDataSets from '../../../_data/generated/index.js';
 import ClassicEditor from '@ckeditor/ckeditor5-editor-classic/src/classiceditor.js';
 
 // TEST CONFIG.