diff --git a/packages/ckeditor5-admonition/package.json b/packages/ckeditor5-admonition/package.json
index 2d84b2145..377abce2c 100644
--- a/packages/ckeditor5-admonition/package.json
+++ b/packages/ckeditor5-admonition/package.json
@@ -11,18 +11,7 @@
     "ckeditor5-package-generator"
   ],
   "type": "module",
-  "main": "dist/index.ts",
-  "module": "dist/index.js",
-  "types": "dist/index.d.ts",
-  "exports": {
-    ".": {
-      "types": "./dist/index.d.ts",
-      "import": "./dist/index.js"
-    },
-    "./*": "./dist/*",
-    "./browser/*": null,
-    "./package.json": "./package.json"
-  },
+  "main": "src/index.ts",
   "engines": {
     "node": ">=18.0.0",
     "npm": ">=5.7.1"
diff --git a/packages/ckeditor5-footnotes/package.json b/packages/ckeditor5-footnotes/package.json
index 0755f8c30..b2eb2e16b 100644
--- a/packages/ckeditor5-footnotes/package.json
+++ b/packages/ckeditor5-footnotes/package.json
@@ -11,18 +11,7 @@
     "ckeditor5-package-generator"
   ],
   "type": "module",
-  "main": "dist/index.ts",
-  "module": "dist/index.js",
-  "types": "dist/index.d.ts",
-  "exports": {
-    ".": {
-      "types": "./dist/index.d.ts",
-      "import": "./dist/index.js"
-    },
-    "./*": "./dist/*",
-    "./browser/*": null,
-    "./package.json": "./package.json"
-  },
+  "main": "src/index.ts",
   "license": "ISC",
   "engines": {
     "node": ">=18.0.0",
diff --git a/packages/ckeditor5-keyboard-marker/package.json b/packages/ckeditor5-keyboard-marker/package.json
index 5024f813e..e4f34f135 100644
--- a/packages/ckeditor5-keyboard-marker/package.json
+++ b/packages/ckeditor5-keyboard-marker/package.json
@@ -11,18 +11,7 @@
     "ckeditor5-package-generator"
   ],
   "type": "module",
-  "main": "dist/index.ts",
-  "module": "dist/index.js",
-  "types": "dist/index.d.ts",
-  "exports": {
-    ".": {
-      "types": "./dist/index.d.ts",
-      "import": "./dist/index.js"
-    },
-    "./*": "./dist/*",
-    "./browser/*": null,
-    "./package.json": "./package.json"
-  },
+  "main": "src/index.ts",
   "author": "Marek Lewandowski",
   "license": "GPL-3.0",
   "homepage": "https://github.com/mlewand/ckeditor5-keyboard-marker",
diff --git a/packages/ckeditor5-math/package.json b/packages/ckeditor5-math/package.json
index 7c58f2c78..a6f30aba3 100644
--- a/packages/ckeditor5-math/package.json
+++ b/packages/ckeditor5-math/package.json
@@ -12,18 +12,7 @@
     "katex"
   ],
   "type": "module",
-  "main": "dist/index.ts",
-  "module": "dist/index.js",
-  "types": "dist/index.d.ts",
-  "exports": {
-    ".": {
-      "types": "./dist/index.d.ts",
-      "import": "./dist/index.js"
-    },
-    "./*": "./dist/*",
-    "./browser/*": null,
-    "./package.json": "./package.json"
-  },
+  "main": "src/index.ts",
   "author": "Sauli Anto",
   "license": "ISC",
   "engines": {
diff --git a/packages/ckeditor5-mermaid/package.json b/packages/ckeditor5-mermaid/package.json
index 16e82a001..41d4c1594 100644
--- a/packages/ckeditor5-mermaid/package.json
+++ b/packages/ckeditor5-mermaid/package.json
@@ -11,18 +11,7 @@
     "ckeditor5-package-generator"
   ],
   "type": "module",
-  "main": "dist/index.ts",
-  "module": "dist/index.js",
-  "types": "dist/index.d.ts",
-  "exports": {
-    ".": {
-      "types": "./dist/index.d.ts",
-      "import": "./dist/index.js"
-    },
-    "./*": "./dist/*",
-    "./browser/*": null,
-    "./package.json": "./package.json"
-  },
+  "main": "src/index.ts",
   "license": "SEE LICENSE IN LICENSE.md",
   "author": "CKSource (https://cksource.com/)",
   "homepage": "https://github.com/ckeditor/ckeditor5-mermaid",
diff --git a/packages/ckeditor5/package.json b/packages/ckeditor5/package.json
index 49562a8cc..311e70b77 100644
--- a/packages/ckeditor5/package.json
+++ b/packages/ckeditor5/package.json
@@ -4,21 +4,7 @@
   "version": "45.0.0",
   "private": true,
   "type": "module",
-  "main": "./dist/index.js",
-  "module": "./dist/index.js",
-  "types": "./dist/index.d.ts",
-  "exports": {
-    "./package.json": "./package.json",
-    "./emoji_definitions/": "./src/emoji_definitions/",
-    "./content.css": "./dist/content.css",
-    "./index.css": "./dist/index.css",
-    ".": {
-      "development": "./src/index.ts",
-      "types": "./dist/index.d.ts",
-      "import": "./dist/index.js",
-      "default": "./dist/index.js"
-    }
-  },
+  "main": "./src/index.ts",
   "nx": {
     "name": "ckeditor5",
     "targets": {
diff --git a/packages/highlightjs/package.json b/packages/highlightjs/package.json
index c6eb24ed1..e2214e515 100644
--- a/packages/highlightjs/package.json
+++ b/packages/highlightjs/package.json
@@ -3,18 +3,7 @@
   "version": "0.0.1",
   "private": true,
   "type": "module",
-  "main": "./dist/index.js",
-  "module": "./dist/index.js",
-  "types": "./dist/index.d.ts",
-  "exports": {
-    "./package.json": "./package.json",
-    ".": {
-      "development": "./src/index.ts",
-      "types": "./dist/index.d.ts",
-      "import": "./dist/index.js",
-      "default": "./dist/index.js"
-    }
-  },
+  "main": "./src/index.ts",
   "nx": {
     "name": "highlightjs"
   },