diff --git a/packages/block-library/src/gallery/edit.js b/packages/block-library/src/gallery/edit.js
index f0798c5df89d2a..13ee55cc6c786c 100644
--- a/packages/block-library/src/gallery/edit.js
+++ b/packages/block-library/src/gallery/edit.js
@@ -565,7 +565,8 @@ function GalleryEdit( props ) {
 				/>
 			</BlockControls>
 			{ noticeUI }
-			{ gap &&
+			{ Platform.isWeb &&
+				gap &&
 				styleElement &&
 				createPortal( <GapStyle />, styleElement ) }
 			<Gallery