diff --git a/packages/eslint-plugin-best-practices/src/configs/rax-ts.js b/packages/eslint-plugin-best-practices/src/configs/rax-ts.js
index d1ecaa5..d756ca6 100644
--- a/packages/eslint-plugin-best-practices/src/configs/rax-ts.js
+++ b/packages/eslint-plugin-best-practices/src/configs/rax-ts.js
@@ -10,5 +10,7 @@ module.exports = deepmerge(commonConfig, {
     '@typescript-eslint/dot-notation': 'off',
     '@typescript-eslint/semi': 'warn',
     '@typescript-eslint/no-unused-vars': 'warn',
+    'no-redeclare': 'off',
+    '@typescript-eslint/no-redeclare': ['error'],
   },
 });
diff --git a/packages/eslint-plugin-best-practices/src/configs/react-ts.js b/packages/eslint-plugin-best-practices/src/configs/react-ts.js
index caafab7..74e2ce6 100644
--- a/packages/eslint-plugin-best-practices/src/configs/react-ts.js
+++ b/packages/eslint-plugin-best-practices/src/configs/react-ts.js
@@ -12,5 +12,7 @@ module.exports = deepmerge(commonConfig, {
     '@typescript-eslint/dot-notation': 'off',
     '@typescript-eslint/semi': 'warn',
     '@typescript-eslint/no-unused-vars': 'warn',
+    'no-redeclare': 'off',
+    '@typescript-eslint/no-redeclare': ['error'],
   },
 });