diff --git a/ui/pages/swaps/prepare-swap-page/prepare-swap-page.js b/ui/pages/swaps/prepare-swap-page/prepare-swap-page.js
index 2226b82d5..aeaa823ca 100644
--- a/ui/pages/swaps/prepare-swap-page/prepare-swap-page.js
+++ b/ui/pages/swaps/prepare-swap-page/prepare-swap-page.js
@@ -945,11 +945,7 @@ export default function PrepareSwapPage({
               </Text>
             </Box>
           )}
-          <Box
-            display={DISPLAY.FLEX}
-            justifyContent={JustifyContent.center}
-            height={0}
-          >
+          <Box display={DISPLAY.FLEX} justifyContent={JustifyContent.center}>
             <div
               className={classnames('prepare-swap-page__switch-tokens', {
                 'prepare-swap-page__switch-tokens--rotate': rotateSwitchTokens,
diff --git a/ui/pages/swaps/swaps-footer/swaps-footer.js b/ui/pages/swaps/swaps-footer/swaps-footer.js
index ea7bc2c4d..14d1cbfb6 100644
--- a/ui/pages/swaps/swaps-footer/swaps-footer.js
+++ b/ui/pages/swaps/swaps-footer/swaps-footer.js
@@ -62,7 +62,7 @@ export default function SwapsFooter({
 SwapsFooter.propTypes = {
   onCancel: PropTypes.func,
   hideCancel: PropTypes.bool,
-  onSubmit: PropTypes.func.isRequired,
+  onSubmit: PropTypes.func,
   submitText: PropTypes.string,
   disabled: PropTypes.bool,
   showTermsOfService: PropTypes.bool,