diff --git a/.eslintrc.js b/.eslintrc.js
index 0abb94614..e7542dc4e 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,18 +1,5 @@
 module.exports = {
   extends: ['@open-wc/eslint-config', 'eslint-config-prettier'].map(require.resolve),
-  rules: {
-    'import/no-extraneous-dependencies': [
-      'error',
-      {
-        devDependencies: [
-          '**/test-suites/**/*.js',
-          '**/test/**/*.js',
-          '**/stories/**/*.js',
-          '**/*.config.js',
-        ],
-      },
-    ],
-  },
   overrides: [
     {
       files: ['**/test-suites/**/*.js', '**/test/**/*.js', '**/stories/**/*.js', '**/*.config.js'],
@@ -21,6 +8,7 @@ module.exports = {
         'no-unused-expressions': 'off',
         'class-methods-use-this': 'off',
         'max-classes-per-file': 'off',
+        'import/no-extraneous-dependencies': 'off', // we moved all devDependencies to root
       },
     },
     {
diff --git a/package.json b/package.json
index 7e9669907..b339dd602 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
     "@open-wc/eslint-config": "^1.0.0",
     "@open-wc/prettier-config": "^0.1.0",
     "@open-wc/testing": "^2.5.0",
+    "@open-wc/testing-helpers": "^1.0.0",
     "@open-wc/testing-karma": "^3.2.30",
     "@open-wc/testing-karma-bs": "^1.3.30",
     "@open-wc/testing-wallaby": "^0.1.12",
diff --git a/packages/ajax/package.json b/packages/ajax/package.json
index 22f75602c..22758f1c6 100644
--- a/packages/ajax/package.json
+++ b/packages/ajax/package.json
@@ -36,10 +36,5 @@
   "dependencies": {
     "@bundled-es-modules/axios": "0.18.1",
     "@lion/core": "0.5.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/button/package.json b/packages/button/package.json
index 86e9a5465..e6fc19026 100644
--- a/packages/button/package.json
+++ b/packages/button/package.json
@@ -37,9 +37,6 @@
     "@lion/core": "0.5.0"
   },
   "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "@polymer/iron-test-helpers": "^3.0.1",
-    "sinon": "^7.2.2"
+    "@polymer/iron-test-helpers": "^3.0.1"
   }
 }
diff --git a/packages/calendar/package.json b/packages/calendar/package.json
index f86525175..21bde35d5 100644
--- a/packages/calendar/package.json
+++ b/packages/calendar/package.json
@@ -37,10 +37,5 @@
   "dependencies": {
     "@lion/core": "0.5.0",
     "@lion/localize": "0.9.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/checkbox-group/package.json b/packages/checkbox-group/package.json
index 0e810e1c8..bd5b7e71f 100644
--- a/packages/checkbox-group/package.json
+++ b/packages/checkbox-group/package.json
@@ -38,12 +38,5 @@
     "@lion/core": "0.5.0",
     "@lion/fieldset": "0.10.0",
     "@lion/input": "0.5.20"
-  },
-  "devDependencies": {
-    "@lion/localize": "0.9.0",
-    "@lion/validate": "0.9.0",
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/choice-input/package.json b/packages/choice-input/package.json
index eb0ee295b..15138008f 100644
--- a/packages/choice-input/package.json
+++ b/packages/choice-input/package.json
@@ -36,13 +36,5 @@
   "dependencies": {
     "@lion/core": "0.5.0",
     "@lion/field": "0.12.0"
-  },
-  "devDependencies": {
-    "@lion/fieldset": "0.10.0",
-    "@lion/input": "0.5.20",
-    "@lion/validate": "0.9.0",
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/core/package.json b/packages/core/package.json
index bdb05b79a..f2d3d2afc 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -37,10 +37,5 @@
     "@open-wc/scoped-elements": "^1.0.3",
     "lit-element": "^2.2.1",
     "lit-html": "^1.0.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/dialog/package.json b/packages/dialog/package.json
index 962f6ce1a..175f8c223 100644
--- a/packages/dialog/package.json
+++ b/packages/dialog/package.json
@@ -34,9 +34,5 @@
   "dependencies": {
     "@lion/core": "0.5.0",
     "@lion/overlays": "0.12.8"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0"
   }
 }
diff --git a/packages/field/package.json b/packages/field/package.json
index 085601f12..e527e6863 100644
--- a/packages/field/package.json
+++ b/packages/field/package.json
@@ -38,11 +38,5 @@
   "dependencies": {
     "@lion/core": "0.5.0",
     "@lion/validate": "0.9.0"
-  },
-  "devDependencies": {
-    "@lion/localize": "0.9.0",
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/fieldset/package.json b/packages/fieldset/package.json
index c5bc30666..a7a313d25 100644
--- a/packages/fieldset/package.json
+++ b/packages/fieldset/package.json
@@ -37,11 +37,5 @@
     "@lion/core": "0.5.0",
     "@lion/field": "0.12.0",
     "@lion/validate": "0.9.0"
-  },
-  "devDependencies": {
-    "@lion/localize": "0.9.0",
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/form-system/package.json b/packages/form-system/package.json
index 16707bb86..438de1c12 100644
--- a/packages/form-system/package.json
+++ b/packages/form-system/package.json
@@ -32,7 +32,7 @@
     "translations",
     "*.js"
   ],
-  "devDependencies": {
+  "dependencies": {
     "@lion/checkbox-group": "0.8.6",
     "@lion/core": "0.5.0",
     "@lion/field": "0.12.0",
@@ -50,11 +50,6 @@
     "@lion/select": "0.5.20",
     "@lion/select-rich": "0.14.0",
     "@lion/textarea": "0.5.21",
-    "@lion/validate": "0.9.0",
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0"
-  },
-  "peerDependencies": {
-    "@lion/helpers": "^0.2.0"
+    "@lion/validate": "0.9.0"
   }
 }
diff --git a/packages/form/package.json b/packages/form/package.json
index a3eed1c00..fde18a9ac 100644
--- a/packages/form/package.json
+++ b/packages/form/package.json
@@ -36,12 +36,5 @@
   "dependencies": {
     "@lion/core": "0.5.0",
     "@lion/fieldset": "0.10.0"
-  },
-  "devDependencies": {
-    "@lion/field": "0.12.0",
-    "@lion/validate": "0.9.0",
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/helpers/package.json b/packages/helpers/package.json
index 1a3d5defd..19278112e 100644
--- a/packages/helpers/package.json
+++ b/packages/helpers/package.json
@@ -35,9 +35,5 @@
   ],
   "dependencies": {
     "@lion/core": "0.5.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0"
   }
 }
diff --git a/packages/icon/package.json b/packages/icon/package.json
index e48eaafa4..37b4bbd47 100644
--- a/packages/icon/package.json
+++ b/packages/icon/package.json
@@ -35,10 +35,5 @@
   ],
   "dependencies": {
     "@lion/core": "0.5.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/input-amount/package.json b/packages/input-amount/package.json
index 3dd8ebbee..af03eb997 100644
--- a/packages/input-amount/package.json
+++ b/packages/input-amount/package.json
@@ -39,9 +39,5 @@
     "@lion/input": "0.5.20",
     "@lion/localize": "0.9.0",
     "@lion/validate": "0.9.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0"
   }
 }
diff --git a/packages/input-date/package.json b/packages/input-date/package.json
index c97d0041a..76abdd694 100644
--- a/packages/input-date/package.json
+++ b/packages/input-date/package.json
@@ -39,9 +39,5 @@
     "@lion/input": "0.5.20",
     "@lion/localize": "0.9.0",
     "@lion/validate": "0.9.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0"
   }
 }
diff --git a/packages/input-datepicker/package.json b/packages/input-datepicker/package.json
index 40e4d7bd2..17a95e40f 100644
--- a/packages/input-datepicker/package.json
+++ b/packages/input-datepicker/package.json
@@ -45,10 +45,5 @@
     "@lion/localize": "0.9.0",
     "@lion/overlays": "0.12.8",
     "@lion/validate": "0.9.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/input-email/package.json b/packages/input-email/package.json
index b46327594..b06cbe6a4 100644
--- a/packages/input-email/package.json
+++ b/packages/input-email/package.json
@@ -39,9 +39,5 @@
     "@lion/input": "0.5.20",
     "@lion/localize": "0.9.0",
     "@lion/validate": "0.9.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0"
   }
 }
diff --git a/packages/input-iban/package.json b/packages/input-iban/package.json
index 28d0e819b..51c0312ba 100644
--- a/packages/input-iban/package.json
+++ b/packages/input-iban/package.json
@@ -40,9 +40,5 @@
     "@lion/localize": "0.9.0",
     "@lion/validate": "0.9.0",
     "ibantools": "^2.2.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0"
   }
 }
diff --git a/packages/input-range/package.json b/packages/input-range/package.json
index 6bb7bf316..f8d02e349 100644
--- a/packages/input-range/package.json
+++ b/packages/input-range/package.json
@@ -37,9 +37,5 @@
     "@lion/field": "0.12.0",
     "@lion/input": "0.5.20",
     "@lion/localize": "0.9.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0"
   }
 }
diff --git a/packages/input/package.json b/packages/input/package.json
index c7c0c24ff..d78207f4c 100644
--- a/packages/input/package.json
+++ b/packages/input/package.json
@@ -36,11 +36,5 @@
   "dependencies": {
     "@lion/core": "0.5.0",
     "@lion/field": "0.12.0"
-  },
-  "devDependencies": {
-    "@lion/localize": "0.9.0",
-    "@lion/validate": "0.9.0",
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0"
   }
 }
diff --git a/packages/localize/package.json b/packages/localize/package.json
index 1e1db7607..afb47b751 100644
--- a/packages/localize/package.json
+++ b/packages/localize/package.json
@@ -39,12 +39,6 @@
     "@lion/core": "0.5.0"
   },
   "devDependencies": {
-    "@bundled-es-modules/fetch-mock": "^6.5.2",
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
-  },
-  "peerDependencies": {
-    "@lion/helpers": "^0.2.0"
+    "@bundled-es-modules/fetch-mock": "^6.5.2"
   }
 }
diff --git a/packages/overlays/package.json b/packages/overlays/package.json
index 94750a14b..f65942446 100644
--- a/packages/overlays/package.json
+++ b/packages/overlays/package.json
@@ -38,11 +38,5 @@
   "dependencies": {
     "@lion/core": "0.5.0",
     "popper.js": "^1.15.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "@open-wc/testing-helpers": "^1.0.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/radio-group/package.json b/packages/radio-group/package.json
index 3b52451c5..539f53eb0 100644
--- a/packages/radio-group/package.json
+++ b/packages/radio-group/package.json
@@ -38,11 +38,5 @@
     "@lion/core": "0.5.0",
     "@lion/fieldset": "0.10.0",
     "@lion/input": "0.5.20"
-  },
-  "devDependencies": {
-    "@lion/validate": "0.9.0",
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/select-rich/package.json b/packages/select-rich/package.json
index 1711df993..1e4e125a2 100644
--- a/packages/select-rich/package.json
+++ b/packages/select-rich/package.json
@@ -44,11 +44,5 @@
     "@lion/field": "0.12.0",
     "@lion/overlays": "0.12.8",
     "@lion/validate": "0.9.0"
-  },
-  "devDependencies": {
-    "@lion/form": "0.4.21",
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/select/package.json b/packages/select/package.json
index ef5a06082..258fff937 100644
--- a/packages/select/package.json
+++ b/packages/select/package.json
@@ -36,10 +36,5 @@
   "dependencies": {
     "@lion/core": "0.5.0",
     "@lion/field": "0.12.0"
-  },
-  "devDependencies": {
-    "@lion/validate": "0.9.0",
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0"
   }
 }
diff --git a/packages/steps/package.json b/packages/steps/package.json
index f525903cc..4a644641d 100644
--- a/packages/steps/package.json
+++ b/packages/steps/package.json
@@ -35,10 +35,5 @@
   ],
   "dependencies": {
     "@lion/core": "0.5.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/switch/package.json b/packages/switch/package.json
index bace387b2..9129f4a32 100644
--- a/packages/switch/package.json
+++ b/packages/switch/package.json
@@ -37,13 +37,5 @@
     "@lion/choice-input": "0.8.0",
     "@lion/core": "0.5.0",
     "@lion/field": "0.12.0"
-  },
-  "devDependencies": {
-    "@lion/helpers": "0.3.4",
-    "@lion/localize": "0.9.0",
-    "@lion/validate": "0.9.0",
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/tabs/package.json b/packages/tabs/package.json
index 3a5c6cdaa..9b8b494cb 100644
--- a/packages/tabs/package.json
+++ b/packages/tabs/package.json
@@ -35,10 +35,5 @@
   ],
   "dependencies": {
     "@lion/core": "0.5.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }
diff --git a/packages/textarea/package.json b/packages/textarea/package.json
index da416d03c..8ac719bd2 100644
--- a/packages/textarea/package.json
+++ b/packages/textarea/package.json
@@ -37,10 +37,5 @@
     "@lion/core": "0.5.0",
     "@lion/field": "0.12.0",
     "autosize": "4.0.2"
-  },
-  "devDependencies": {
-    "@lion/validate": "0.9.0",
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0"
   }
 }
diff --git a/packages/tooltip/package.json b/packages/tooltip/package.json
index d7f4806d6..293a161cd 100644
--- a/packages/tooltip/package.json
+++ b/packages/tooltip/package.json
@@ -36,9 +36,5 @@
   "dependencies": {
     "@lion/core": "0.5.0",
     "@lion/overlays": "0.12.8"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0"
   }
 }
diff --git a/packages/validate/package.json b/packages/validate/package.json
index 94eb0701a..eabaf0755 100644
--- a/packages/validate/package.json
+++ b/packages/validate/package.json
@@ -38,10 +38,5 @@
   "dependencies": {
     "@lion/core": "0.5.0",
     "@lion/localize": "0.9.0"
-  },
-  "devDependencies": {
-    "@open-wc/demoing-storybook": "^1.10.4",
-    "@open-wc/testing": "^2.5.0",
-    "sinon": "^7.2.2"
   }
 }