diff --git a/tsconfig.extension-api.json b/tsconfig.extension-api.json
deleted file mode 100644
index c03f743e42..0000000000
--- a/tsconfig.extension-api.json
+++ /dev/null
@@ -1,46 +0,0 @@
-{
-  "compilerOptions": {
-    "baseUrl": ".",
-    "jsx": "react",
-    "target": "ES2019",
-    "module": "ESNext",
-    "lib": [
-      "ESNext",
-      "DOM",
-      "DOM.Iterable"
-    ],
-    "moduleResolution": "Node",
-    "strict": true,
-    "experimentalDecorators": true,
-    "emitDecoratorMetadata": true,
-    "isolatedModules": true,
-    "skipLibCheck": true,
-    "allowJs": false,
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
-    "importsNotUsedAsValues": "error",
-    "traceResolution": false,
-    "resolveJsonModule": true,
-    "useDefineForClassFields": true,
-    "paths": {
-      "*": [
-        "node_modules/*",
-        "types/*"
-      ]
-    },
-    "plugins": [
-      {
-        "name": "typescript-plugin-css-modules"
-      }
-    ],
-    "noEmitOnError": true,
-    "declaration": true,
-    "declarationDir": "./src/extensions/npm/extensions/dist"
-  },
-  "include": [
-    "types/*.d.ts",
-  ],
-  "files": [
-    "./src/extensions/extension-api.ts",
-  ],
-}