diff --git a/.changeset/lovely-hats-itch.md b/.changeset/lovely-hats-itch.md
new file mode 100644
index 0000000..26d97ad
--- /dev/null
+++ b/.changeset/lovely-hats-itch.md
@@ -0,0 +1,8 @@
+---
+"@naverpay/eslint-config": patch
+"@naverpay/eslint-plugin": patch
+---
+
+🔧 Remove deprecated ESLint APIs and duplicate plugin registration
+
+PR: [🔧 Remove deprecated ESLint APIs and duplicate plugin registration](https://github.com/NaverPayDev/code-style/pull/152)
diff --git a/packages/eslint-config/node/rules/style.js b/packages/eslint-config/node/rules/style.js
index 3459e10..3bf6190 100644
--- a/packages/eslint-config/node/rules/style.js
+++ b/packages/eslint-config/node/rules/style.js
@@ -1,9 +1,4 @@
-import nodePlugin from 'eslint-plugin-n'
-
 export default {
-    plugins: {
-        n: nodePlugin,
-    },
     rules: {
         /**
          * Require the use of === and !==
diff --git a/packages/eslint-config/react/rules/node.js b/packages/eslint-config/react/rules/node.js
index a9f1c47..3f47307 100644
--- a/packages/eslint-config/react/rules/node.js
+++ b/packages/eslint-config/react/rules/node.js
@@ -1,9 +1,4 @@
-import nodePlugin from 'eslint-plugin-n'
-
 export default {
-    plugins: {
-        n: nodePlugin,
-    },
     rules: {
         /**
          * When a function is named cb or callback, then it must be invoked with a first argument that is undefined, null, an Error class, or a subclass or Error
diff --git a/packages/eslint-plugin/lib/rules/import-server-only.js b/packages/eslint-plugin/lib/rules/import-server-only.js
index 2631b5a..07d3791 100644
--- a/packages/eslint-plugin/lib/rules/import-server-only.js
+++ b/packages/eslint-plugin/lib/rules/import-server-only.js
@@ -31,7 +31,7 @@ export default {
     },
     create(context) {
         const {include, exclude} = context.options[0] || {}
-        const filePath = path.relative(context.getCwd(), context.getFilename())
+        const filePath = path.relative(context.cwd, context.filename)
 
         const isIncluded = micromatch.isMatch(filePath, include)
         const isExcluded = micromatch.isMatch(filePath, exclude)
@@ -46,7 +46,7 @@ export default {
                     (statement) => statement.type === 'ImportDeclaration' && statement.source.value === 'server-only',
                 )
 
-                const sourceCode = context.sourceCode ?? context.getSourceCode()
+                const sourceCode = context.sourceCode
 
                 if (!hasServerOnlyImport) {
                     context.report({
diff --git a/packages/eslint-plugin/lib/rules/memo-react-components.js b/packages/eslint-plugin/lib/rules/memo-react-components.js
index 6484c27..7819290 100644
--- a/packages/eslint-plugin/lib/rules/memo-react-components.js
+++ b/packages/eslint-plugin/lib/rules/memo-react-components.js
@@ -31,7 +31,7 @@ export default {
 
         let isAlreadyMemoized = false
 
-        const sourceCode = context.sourceCode ?? context.getSourceCode()
+        const sourceCode = context.sourceCode
 
         /**
          * @type {import('eslint').Scope.Scope | undefined}
@@ -48,7 +48,7 @@ export default {
 
             const reactImportDeclaration = importDeclarations.find(({source: {value}}) => value === 'react')
 
-            let isDefault = false
+            let isDefault
             let hasImportMemo = false
             let isDefaultOnly = false
             if (reactImportDeclaration) {
@@ -88,7 +88,7 @@ export default {
 
         return {
             Program: function (node) {
-                globalScope = sourceCode.getScope ? sourceCode.getScope(node) : context.getScope()
+                globalScope = sourceCode.getScope(node)
 
                 const exportDefaultDeclaration = getExportDefaultDeclaration(globalScope.block).declaration
                 if (
diff --git a/packages/eslint-plugin/lib/rules/optimize-svg-components.js b/packages/eslint-plugin/lib/rules/optimize-svg-components.js
index 76c2af4..fd97b83 100644
--- a/packages/eslint-plugin/lib/rules/optimize-svg-components.js
+++ b/packages/eslint-plugin/lib/rules/optimize-svg-components.js
@@ -139,7 +139,7 @@ export default {
             return {}
         }
 
-        const sourceCode = context.sourceCode ?? context.getSourceCode()
+        const sourceCode = context.sourceCode
 
         /**
          * @type {import('eslint').Scope.Scope | undefined}
@@ -149,7 +149,7 @@ export default {
 
         return {
             Program: function (node) {
-                globalScope = sourceCode.getScope ? sourceCode.getScope(node) : context.getScope()
+                globalScope = sourceCode.getScope(node)
                 canOptimize = svgValidator(context, globalScope)
             },
             onCodePathEnd: function (_, code) {
diff --git a/packages/eslint-plugin/lib/rules/peer-deps-in-dev-deps.js b/packages/eslint-plugin/lib/rules/peer-deps-in-dev-deps.js
index 728a721..0efb2d4 100644
--- a/packages/eslint-plugin/lib/rules/peer-deps-in-dev-deps.js
+++ b/packages/eslint-plugin/lib/rules/peer-deps-in-dev-deps.js
@@ -28,7 +28,7 @@ export default {
                     return
                 }
 
-                const sourceCode = context.sourceCode ?? context.getSourceCode()
+                const sourceCode = context.sourceCode
                 let json
 
                 try {
diff --git a/packages/eslint-plugin/lib/rules/sort-exports.js b/packages/eslint-plugin/lib/rules/sort-exports.js
index ebf7415..ca68078 100644
--- a/packages/eslint-plugin/lib/rules/sort-exports.js
+++ b/packages/eslint-plugin/lib/rules/sort-exports.js
@@ -1,8 +1,8 @@
 import {minimatch} from 'minimatch'
 
 function getCommentFromNode(context, node) {
-    const beforeComments = context.getSourceCode().getCommentsBefore(node)
-    const afterComments = context.getSourceCode().getCommentsAfter(node)
+    const beforeComments = context.sourceCode.getCommentsBefore(node)
+    const afterComments = context.sourceCode.getCommentsAfter(node)
     const result = {}
 
     const nodeStartLine = node.loc.start.line
@@ -53,7 +53,7 @@ function getIdentifier(node) {
             exportKind,
         } = node
 
-        let wholeLine = ''
+        let wholeLine
 
         if (specifiers.length === 1) {
             if (specifiers[0].local.name === 'default') {
diff --git a/packages/eslint-plugin/lib/rules/svg-unique-id.js b/packages/eslint-plugin/lib/rules/svg-unique-id.js
index 483e5c8..db00d51 100644
--- a/packages/eslint-plugin/lib/rules/svg-unique-id.js
+++ b/packages/eslint-plugin/lib/rules/svg-unique-id.js
@@ -122,11 +122,11 @@ export default {
          * @type {import('eslint').Scope.Scope | undefined}
          */
         let globalScope
-        const sourceCode = context.sourceCode ?? context.getSourceCode()
+        const sourceCode = context.sourceCode
 
         return {
             Program: function (node) {
-                globalScope = sourceCode.getScope ? sourceCode.getScope(node) : context.getScope()
+                globalScope = sourceCode.getScope(node)
             },
             onCodePathEnd: function (_, code) {
                 const svgElement = getJSXReturnStatement(globalScope)