diff --git a/package-lock.json b/package-lock.json
index f7a638842..2076d2278 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2562,32 +2562,6 @@
         "custom-elements-manifest": "index.js"
       }
     },
-<<<<<<< HEAD
-=======
-    "node_modules/@custom-elements-manifest/analyzer/node_modules/array-back": {
-      "version": "6.2.2",
-      "resolved": "https://registry.npmjs.org/array-back/-/array-back-6.2.2.tgz",
-      "integrity": "sha512-gUAZ7HPyb4SJczXAMUXMGAvI976JoK3qEx9v1FTmeYuJj0IBiaKttG1ydtGKdkfqWkIkouke7nG8ufGy77+Cvw==",
-      "dev": true,
-      "engines": {
-        "node": ">=12.17"
-      }
-    },
-    "node_modules/@custom-elements-manifest/analyzer/node_modules/command-line-args": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/command-line-args/-/command-line-args-5.1.2.tgz",
-      "integrity": "sha512-fytTsbndLbl+pPWtS0CxLV3BEWw9wJayB8NnU2cbQqVPsNdYezQeT+uIQv009m+GShnMNyuoBrRo8DTmuTfSCA==",
-      "dev": true,
-      "dependencies": {
-        "array-back": "^6.1.2",
-        "find-replace": "^3.0.0",
-        "lodash.camelcase": "^4.3.0",
-        "typical": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=4.0.0"
-      }
-    },
     "node_modules/@custom-elements-manifest/analyzer/node_modules/globby": {
       "version": "11.0.4",
       "resolved": "https://registry.npmjs.org/globby/-/globby-11.0.4.tgz",
@@ -2609,7 +2583,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
->>>>>>> e266fffe (chore: fix LitElement imports in TS build output)
     "node_modules/@custom-elements-manifest/analyzer/node_modules/typescript": {
       "version": "4.3.5",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
@@ -11507,8 +11480,7 @@
     "node_modules/glob": {
       "version": "7.2.3",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
-      "integrity": "sha1-uN8PuAK7+o6JvR2Ti04WV47UTys=",
-      "license": "ISC",
+      "integrity": "sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==",
       "dependencies": {
         "fs.realpath": "^1.0.0",
         "inflight": "^1.0.4",
@@ -23391,8 +23363,6 @@
         "ibantools": "^2.2.0",
         "lit": "^2.4.0",
         "singleton-manager": "^1.6.1"
-<<<<<<< HEAD
-=======
       }
     },
     "packages/validate-messages": {
@@ -23404,7 +23374,6 @@
         "@lion/form-core": "^0.18.3",
         "@lion/input-tel": "^0.2.3",
         "@lion/localize": "^0.26.0"
->>>>>>> e266fffe (chore: fix LitElement imports in TS build output)
       }
     }
   },
@@ -25245,26 +25214,6 @@
         "typescript": "~4.3.2"
       },
       "dependencies": {
-<<<<<<< HEAD
-=======
-        "array-back": {
-          "version": "6.2.2",
-          "resolved": "https://registry.npmjs.org/array-back/-/array-back-6.2.2.tgz",
-          "integrity": "sha512-gUAZ7HPyb4SJczXAMUXMGAvI976JoK3qEx9v1FTmeYuJj0IBiaKttG1ydtGKdkfqWkIkouke7nG8ufGy77+Cvw==",
-          "dev": true
-        },
-        "command-line-args": {
-          "version": "5.1.2",
-          "resolved": "https://registry.npmjs.org/command-line-args/-/command-line-args-5.1.2.tgz",
-          "integrity": "sha512-fytTsbndLbl+pPWtS0CxLV3BEWw9wJayB8NnU2cbQqVPsNdYezQeT+uIQv009m+GShnMNyuoBrRo8DTmuTfSCA==",
-          "dev": true,
-          "requires": {
-            "array-back": "^6.1.2",
-            "find-replace": "^3.0.0",
-            "lodash.camelcase": "^4.3.0",
-            "typical": "^4.0.0"
-          }
-        },
         "globby": {
           "version": "11.0.4",
           "resolved": "https://registry.npmjs.org/globby/-/globby-11.0.4.tgz",
@@ -25279,7 +25228,6 @@
             "slash": "^3.0.0"
           }
         },
->>>>>>> e266fffe (chore: fix LitElement imports in TS build output)
         "typescript": {
           "version": "4.3.5",
           "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
@@ -32555,7 +32503,7 @@
     "glob": {
       "version": "7.2.3",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
-      "integrity": "sha1-uN8PuAK7+o6JvR2Ti04WV47UTys=",
+      "integrity": "sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==",
       "requires": {
         "fs.realpath": "^1.0.0",
         "inflight": "^1.0.4",
diff --git a/package.json b/package.json
index fe1bad77e..173aea8e7 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,8 @@
     "test:node": "npm run test:node --workspaces --if-present",
     "test:screenshots": "rimraf screenshots/.diff/ && rimraf screenshots/.current/ && mocha --require scripts/screenshots/bootstrap.js --exit --timeout 10000 \"packages/**/test/*.screenshots-test.js\"",
     "test:screenshots:update": "cross-env UPDATE_SCREENSHOTS=true npm run test:screenshots",
-    "types": "npm run types --workspaces --if-present && npm run types-correct-after-build",
+    "types": "npm run types --workspaces --if-present &&  npm run types-correct-after-build",
+    "types-check-only": "npm run types-check-only --workspaces --if-present",
     "types-correct-after-build": "node ./scripts/types-correct-after-build.mjs"
   },
   "workspaces": [
diff --git a/packages/ui/package.json b/packages/ui/package.json
index cb6e11ae5..afc6dd9d1 100644
--- a/packages/ui/package.json
+++ b/packages/ui/package.json
@@ -41,7 +41,8 @@
     "publish-docs": "node ../../packages-node/publish-docs/src/cli.js --github-url https://github.com/ing-bank/lion/ --git-root-dir ../../",
     "prepublishOnly": "npm run types && npm run publish-docs && npm run custom-elements-manifest",
     "test": "cd ../../ && npm run test:browser",
-    "types": "wireit"
+    "types": "wireit",
+    "types-check-only": "tsc --project tsconfig-check-only.json"
   },
   "dependencies": {
     "@bundled-es-modules/message-format": "^6.0.4",
diff --git a/packages/ui/tsconfig-check-only.json b/packages/ui/tsconfig-check-only.json
new file mode 100644
index 000000000..67de05504
--- /dev/null
+++ b/packages/ui/tsconfig-check-only.json
@@ -0,0 +1,8 @@
+{
+  "//": "this runs after 'scripts/types-correct-after-build.mjs' has been applied",
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "emitDeclarationOnly": false,
+    "noEmit": true
+  }
+}