diff --git a/packages/stack/src/navigators/__tests__/__snapshots__/NestedNavigator-test.js.snap b/packages/stack/src/navigators/__tests__/__snapshots__/NestedNavigator-test.js.snap
index c9f8b742..1e306d24 100644
--- a/packages/stack/src/navigators/__tests__/__snapshots__/NestedNavigator-test.js.snap
+++ b/packages/stack/src/navigators/__tests__/__snapshots__/NestedNavigator-test.js.snap
@@ -217,7 +217,7 @@ exports[`Nested navigators renders succesfully as direct child 1`] = `
                             >
                               <Text
                                 accessibilityTraits="header"
-                                allowFontScaling={true}
+                                allowFontScaling={false}
                                 numberOfLines={1}
                                 onLayout={[Function]}
                                 style={
@@ -320,7 +320,7 @@ exports[`Nested navigators renders succesfully as direct child 1`] = `
                 >
                   <Text
                     accessibilityTraits="header"
-                    allowFontScaling={true}
+                    allowFontScaling={false}
                     numberOfLines={1}
                     onLayout={[Function]}
                     style={
diff --git a/packages/stack/src/navigators/__tests__/__snapshots__/StackNavigator-test.js.snap b/packages/stack/src/navigators/__tests__/__snapshots__/StackNavigator-test.js.snap
index 352bcbc1..4a0b2651 100644
--- a/packages/stack/src/navigators/__tests__/__snapshots__/StackNavigator-test.js.snap
+++ b/packages/stack/src/navigators/__tests__/__snapshots__/StackNavigator-test.js.snap
@@ -150,7 +150,7 @@ exports[`StackNavigator applies correct values when headerRight is present 1`] =
                 >
                   <Text
                     accessibilityTraits="header"
-                    allowFontScaling={true}
+                    allowFontScaling={false}
                     numberOfLines={1}
                     onLayout={[Function]}
                     style={
@@ -343,7 +343,7 @@ exports[`StackNavigator renders successfully 1`] = `
                 >
                   <Text
                     accessibilityTraits="header"
-                    allowFontScaling={true}
+                    allowFontScaling={false}
                     numberOfLines={1}
                     onLayout={[Function]}
                     style={
diff --git a/packages/stack/src/views/BorderlessButton.js b/packages/stack/src/views/BorderlessButton.js
index d62386ad..80ca8f67 100644
--- a/packages/stack/src/views/BorderlessButton.js
+++ b/packages/stack/src/views/BorderlessButton.js
@@ -45,7 +45,10 @@ export default class BorderlessButton extends React.Component {
       <AnimatedBaseButton
         {...rest}
         onActiveStateChange={this._onActiveStateChange}
-        style={[style, Platform.OS === 'ios' && enabled && { opacity: this._opacity }]}
+        style={[
+          style,
+          Platform.OS === 'ios' && enabled && { opacity: this._opacity },
+        ]}
       >
         {children}
       </AnimatedBaseButton>
diff --git a/packages/stack/src/views/StackView/StackViewStyleInterpolator.js b/packages/stack/src/views/StackView/StackViewStyleInterpolator.js
index 9a778215..bb91c7ea 100644
--- a/packages/stack/src/views/StackView/StackViewStyleInterpolator.js
+++ b/packages/stack/src/views/StackView/StackViewStyleInterpolator.js
@@ -205,7 +205,7 @@ function forFade(props) {
   };
 }
 
-function forNoAnimation(props) {
+function forNoAnimation() {
   return {};
 }