diff --git a/packages/mui-codemod/src/deprecations/divider-props/divider-props.js b/packages/mui-codemod/src/deprecations/divider-props/divider-props.js
index d392b496ea46c0..6133aacd611d3f 100644
--- a/packages/mui-codemod/src/deprecations/divider-props/divider-props.js
+++ b/packages/mui-codemod/src/deprecations/divider-props/divider-props.js
@@ -12,37 +12,43 @@ export default function transformer(file, api, options) {
   const printOptions = options.printOptions;
 
   findComponentJSX(j, { root, componentName: 'Divider' }, (elementPath) => {
-    elementPath.node.openingElement.attributes = elementPath.node.openingElement.attributes.filter(
-      (attr) => {
-        if (attr.type === 'JSXAttribute' && attr.name.name === 'light') {
-          return false;
-        }
-        return true;
-      },
-    );
+    const hasLightProp =
+      elementPath.node.openingElement.attributes.findIndex(
+        (attr) => attr.type === 'JSXAttribute' && attr.name.name === 'light',
+      ) !== -1;
 
-    const sxIndex = elementPath.node.openingElement.attributes.findIndex(
-      (attr) => attr.type === 'JSXAttribute' && attr.name.name === 'sx',
-    );
-    if (sxIndex === -1) {
-      appendAttribute(j, {
-        target: elementPath.node,
-        attributeName: 'sx',
-        expression: j.objectExpression([
-          j.objectProperty(j.identifier('opacity'), j.literal('0.6')),
-        ]),
-      });
-    } else {
-      const opacityIndex = elementPath.node.openingElement.attributes[
-        sxIndex
-      ].value.expression.properties.findIndex((key) => key.key.name === 'opacity');
+    if (hasLightProp) {
+      elementPath.node.openingElement.attributes =
+        elementPath.node.openingElement.attributes.filter((attr) => {
+          if (attr.type === 'JSXAttribute' && attr.name.name === 'light') {
+            return false;
+          }
+          return true;
+        });
 
-      if (opacityIndex === -1) {
-        assignObject(j, {
-          target: elementPath.node.openingElement.attributes[sxIndex],
-          key: 'opacity',
-          expression: j.literal('0.6'),
+      const sxIndex = elementPath.node.openingElement.attributes.findIndex(
+        (attr) => attr.type === 'JSXAttribute' && attr.name.name === 'sx',
+      );
+      if (sxIndex === -1) {
+        appendAttribute(j, {
+          target: elementPath.node,
+          attributeName: 'sx',
+          expression: j.objectExpression([
+            j.objectProperty(j.identifier('opacity'), j.literal('0.6')),
+          ]),
         });
+      } else {
+        const opacityIndex = elementPath.node.openingElement.attributes[
+          sxIndex
+        ].value.expression.properties.findIndex((key) => key.key.name === 'opacity');
+
+        if (opacityIndex === -1) {
+          assignObject(j, {
+            target: elementPath.node.openingElement.attributes[sxIndex],
+            key: 'opacity',
+            expression: j.literal('0.6'),
+          });
+        }
       }
     }
   });
@@ -52,28 +58,35 @@ export default function transformer(file, api, options) {
       (key) => key.key.name === 'defaultProps',
     );
 
-    defaultPropsObject.value.properties = defaultPropsObject.value.properties.filter(
-      (prop) => !['light'].includes(prop?.key?.name),
-    );
-
-    const sxIndex = defaultPropsObject.value.properties.findIndex((prop) => prop.key.name === 'sx');
+    const hasLightProp =
+      defaultPropsObject.value.properties.findIndex((prop) => prop.key.name === 'light') !== -1;
 
-    if (sxIndex === -1) {
-      defaultPropsObject.value.properties.push(
-        j.objectProperty(
-          j.identifier('sx'),
-          j.objectExpression([j.objectProperty(j.identifier('opacity'), j.literal('0.6'))]),
-        ),
+    if (hasLightProp) {
+      defaultPropsObject.value.properties = defaultPropsObject.value.properties.filter(
+        (prop) => !['light'].includes(prop?.key?.name),
       );
-    } else {
-      const opacityIndex = defaultPropsObject.value.properties[sxIndex].value.properties.findIndex(
-        (key) => key.key.name === 'opacity',
+
+      const sxIndex = defaultPropsObject.value.properties.findIndex(
+        (prop) => prop.key.name === 'sx',
       );
 
-      if (opacityIndex === -1) {
-        defaultPropsObject.value.properties[sxIndex].value.properties.push(
-          j.objectProperty(j.identifier('opacity'), j.literal('0.6')),
+      if (sxIndex === -1) {
+        defaultPropsObject.value.properties.push(
+          j.objectProperty(
+            j.identifier('sx'),
+            j.objectExpression([j.objectProperty(j.identifier('opacity'), j.literal('0.6'))]),
+          ),
         );
+      } else {
+        const opacityIndex = defaultPropsObject.value.properties[
+          sxIndex
+        ].value.properties.findIndex((key) => key.key.name === 'opacity');
+
+        if (opacityIndex === -1) {
+          defaultPropsObject.value.properties[sxIndex].value.properties.push(
+            j.objectProperty(j.identifier('opacity'), j.literal('0.6')),
+          );
+        }
       }
     }
   });
diff --git a/packages/mui-codemod/src/deprecations/divider-props/test-cases/actual.js b/packages/mui-codemod/src/deprecations/divider-props/test-cases/actual.js
index 92db3a700a543d..4c04e5109f5532 100644
--- a/packages/mui-codemod/src/deprecations/divider-props/test-cases/actual.js
+++ b/packages/mui-codemod/src/deprecations/divider-props/test-cases/actual.js
@@ -9,3 +9,4 @@ import { Divider as MyDivider } from '@mui/material';
 <MyDivider light={light} className="test" />;
 <Divider light sx={{ opacity: '0.7' }} />;
 <MyDivider light sx={{ bgcolor: 'black' }} />;
+<Divider className="test" />;
diff --git a/packages/mui-codemod/src/deprecations/divider-props/test-cases/expected.js b/packages/mui-codemod/src/deprecations/divider-props/test-cases/expected.js
index 634419b56eca5f..b04a2284ada8d2 100644
--- a/packages/mui-codemod/src/deprecations/divider-props/test-cases/expected.js
+++ b/packages/mui-codemod/src/deprecations/divider-props/test-cases/expected.js
@@ -25,3 +25,4 @@ import { Divider as MyDivider } from '@mui/material';
     bgcolor: 'black',
     opacity: "0.6"
   }} />;
+<Divider className="test" />;
diff --git a/packages/mui-codemod/src/deprecations/divider-props/test-cases/theme.actual.js b/packages/mui-codemod/src/deprecations/divider-props/test-cases/theme.actual.js
index aaa23a349a3035..f7c53332dc4bac 100644
--- a/packages/mui-codemod/src/deprecations/divider-props/test-cases/theme.actual.js
+++ b/packages/mui-codemod/src/deprecations/divider-props/test-cases/theme.actual.js
@@ -45,3 +45,11 @@ fn({
     },
   },
 });
+
+fn({
+  MuiDivider: {
+    defaultProps: {
+      className: 'my-class',
+    },
+  },
+});
diff --git a/packages/mui-codemod/src/deprecations/divider-props/test-cases/theme.expected.js b/packages/mui-codemod/src/deprecations/divider-props/test-cases/theme.expected.js
index 454fa3139ffd9e..d5accf78bc0c35 100644
--- a/packages/mui-codemod/src/deprecations/divider-props/test-cases/theme.expected.js
+++ b/packages/mui-codemod/src/deprecations/divider-props/test-cases/theme.expected.js
@@ -52,3 +52,11 @@ fn({
     },
   },
 });
+
+fn({
+  MuiDivider: {
+    defaultProps: {
+      className: 'my-class',
+    },
+  },
+});