diff --git a/packages/mui-material/src/FilledInput/FilledInput.js b/packages/mui-material/src/FilledInput/FilledInput.js
index fcb381ce103ef4..b3f8d1cbdc800f 100644
--- a/packages/mui-material/src/FilledInput/FilledInput.js
+++ b/packages/mui-material/src/FilledInput/FilledInput.js
@@ -528,8 +528,6 @@ FilledInput.propTypes /* remove-proptypes */ = {
   value: PropTypes.any,
 };
 
-if (FilledInput) {
-  FilledInput.muiName = 'Input';
-}
+FilledInput.muiName = 'Input';
 
 export default FilledInput;
diff --git a/packages/mui-material/src/Icon/Icon.js b/packages/mui-material/src/Icon/Icon.js
index b7eb1a9a865f11..0406bf41d80add 100644
--- a/packages/mui-material/src/Icon/Icon.js
+++ b/packages/mui-material/src/Icon/Icon.js
@@ -222,8 +222,6 @@ Icon.propTypes /* remove-proptypes */ = {
   ]),
 };
 
-if (Icon) {
-  Icon.muiName = 'Icon';
-}
+Icon.muiName = 'Icon';
 
 export default Icon;
diff --git a/packages/mui-material/src/Input/Input.js b/packages/mui-material/src/Input/Input.js
index 6f1c58b7436643..c4177e90295b58 100644
--- a/packages/mui-material/src/Input/Input.js
+++ b/packages/mui-material/src/Input/Input.js
@@ -371,8 +371,6 @@ Input.propTypes /* remove-proptypes */ = {
   value: PropTypes.any,
 };
 
-if (Input) {
-  Input.muiName = 'Input';
-}
+Input.muiName = 'Input';
 
 export default Input;
diff --git a/packages/mui-material/src/OutlinedInput/OutlinedInput.js b/packages/mui-material/src/OutlinedInput/OutlinedInput.js
index af2715d017bda9..4cc7f4728485fd 100644
--- a/packages/mui-material/src/OutlinedInput/OutlinedInput.js
+++ b/packages/mui-material/src/OutlinedInput/OutlinedInput.js
@@ -438,8 +438,6 @@ OutlinedInput.propTypes /* remove-proptypes */ = {
   value: PropTypes.any,
 };
 
-if (OutlinedInput) {
-  OutlinedInput.muiName = 'Input';
-}
+OutlinedInput.muiName = 'Input';
 
 export default OutlinedInput;
diff --git a/packages/mui-material/src/StepLabel/StepLabel.js b/packages/mui-material/src/StepLabel/StepLabel.js
index 4567f3bac0fbd6..2128c5e99e7634 100644
--- a/packages/mui-material/src/StepLabel/StepLabel.js
+++ b/packages/mui-material/src/StepLabel/StepLabel.js
@@ -291,8 +291,6 @@ StepLabel.propTypes /* remove-proptypes */ = {
   ]),
 };
 
-if (StepLabel) {
-  StepLabel.muiName = 'StepLabel';
-}
+StepLabel.muiName = 'StepLabel';
 
 export default StepLabel;
diff --git a/packages/mui-material/src/SvgIcon/SvgIcon.js b/packages/mui-material/src/SvgIcon/SvgIcon.js
index cec089c7716bf2..30d36f516df7d5 100644
--- a/packages/mui-material/src/SvgIcon/SvgIcon.js
+++ b/packages/mui-material/src/SvgIcon/SvgIcon.js
@@ -242,8 +242,6 @@ SvgIcon.propTypes /* remove-proptypes */ = {
   viewBox: PropTypes.string,
 };
 
-if (SvgIcon) {
-  SvgIcon.muiName = 'SvgIcon';
-}
+SvgIcon.muiName = 'SvgIcon';
 
 export default SvgIcon;