diff --git a/.github/workflows/ci-k21.yml b/.github/workflows/ci-k21.yml
deleted file mode 100644
index 2c918de90bbbe..0000000000000
--- a/.github/workflows/ci-k21.yml
+++ /dev/null
@@ -1,48 +0,0 @@
-name: CI-K2.1
-
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v4
-      - name: Validate Gradle Wrapper
-        uses: gradle/actions/wrapper-validation@v4
-      - name: Set up JDK 21
-        uses: actions/setup-java@v4
-        with:
-          distribution: 'zulu'
-          java-version: '21'
-      - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v4
-      - name: Build
-        run: |
-          ./gradlew build -Pkotlin.version=2.1.0-RC2 -Pseskar.version=3.50.1
-
-  build-examples:
-
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v4
-      - name: Validate Gradle Wrapper
-        uses: gradle/actions/wrapper-validation@v4
-      - name: Set up JDK 21
-        uses: actions/setup-java@v4
-        with:
-          distribution: 'zulu'
-          java-version: '21'
-      - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v4
-      - name: Build Examples
-        run: |
-          ./gradlew publishToMavenLocal -Pkotlin.version=2.1.0-RC2 -Pseskar.version=3.50.1
-          cd examples/
-          ./gradlew build -Pkotlin.version=2.1.0-RC2  -Pseskar.version=3.50.1