diff --git a/packages/ra-ui-materialui/src/detail/Edit.js b/packages/ra-ui-materialui/src/detail/Edit.js
index a9d52fdeb3b..701cb923ff3 100644
--- a/packages/ra-ui-materialui/src/detail/Edit.js
+++ b/packages/ra-ui-materialui/src/detail/Edit.js
@@ -182,7 +182,7 @@ EditView.defaultProps = {
     component: Card,
 };
 
-export const useStyles = makeStyles(
+const useStyles = makeStyles(
     {
         root: {},
         main: {
diff --git a/packages/ra-ui-materialui/src/detail/Show.js b/packages/ra-ui-materialui/src/detail/Show.js
index 46bf784ca47..9ed61322a70 100644
--- a/packages/ra-ui-materialui/src/detail/Show.js
+++ b/packages/ra-ui-materialui/src/detail/Show.js
@@ -161,7 +161,7 @@ ShowView.defaultProps = {
     component: Card,
 };
 
-export const useStyles = makeStyles(
+const useStyles = makeStyles(
     {
         root: {},
         main: {
diff --git a/packages/ra-ui-materialui/src/list/List.js b/packages/ra-ui-materialui/src/list/List.js
index f144bb262bc..781ccdc8360 100644
--- a/packages/ra-ui-materialui/src/list/List.js
+++ b/packages/ra-ui-materialui/src/list/List.js
@@ -220,7 +220,7 @@ ListView.defaultProps = {
     pagination: <DefaultPagination />,
 };
 
-export const useStyles = makeStyles(
+const useStyles = makeStyles(
     theme => ({
         root: {},
         main: {