diff --git a/packages/dataviews/src/dataform.tsx b/packages/dataviews/src/dataform.tsx
index 6280964e91162..b81e1c4ae83d3 100644
--- a/packages/dataviews/src/dataform.tsx
+++ b/packages/dataviews/src/dataform.tsx
@@ -51,6 +51,7 @@ function DataFormTextControl< Item >( {
 			placeholder={ placeholder }
 			value={ value }
 			onChange={ onChangeControl }
+			__next40pxDefaultSize
 		/>
 	);
 }
diff --git a/packages/editor/src/components/post-actions/actions.js b/packages/editor/src/components/post-actions/actions.js
index 94e38d4ed30f0..484b1e503c1e0 100644
--- a/packages/editor/src/components/post-actions/actions.js
+++ b/packages/editor/src/components/post-actions/actions.js
@@ -770,6 +770,7 @@ const useDuplicatePostAction = ( postType ) => {
 									<Button
 										variant="tertiary"
 										onClick={ closeModal }
+										__next40pxDefaultSize
 									>
 										{ __( 'Cancel' ) }
 									</Button>
@@ -778,6 +779,7 @@ const useDuplicatePostAction = ( postType ) => {
 										type="submit"
 										isBusy={ isCreatingPage }
 										aria-disabled={ isCreatingPage }
+										__next40pxDefaultSize
 									>
 										{ _x( 'Duplicate', 'action label' ) }
 									</Button>