diff --git a/.github/workflows/azure-pipelines-13.yml b/.github/workflows/azure-pipelines-13.yml
deleted file mode 100644
index e10d2f46..00000000
--- a/.github/workflows/azure-pipelines-13.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-# Gradle
-# Build your Java project and run tests with Gradle using a Gradle wrapper script.
-# Add steps that analyze code, save build artifacts, deploy, and more:
-# https://docs.microsoft.com/azure/devops/pipelines/languages/java
-
-trigger:
-- main
-
-pool:
-  vmImage: ubuntu-latest
-
-steps:
-- task: Gradle@2
-  inputs:
-    workingDirectory: ''
-    gradleWrapperFile: 'gradlew'
-    gradleOptions: '-Xmx3072m'
-    javaHomeOption: 'JDKVersion'
-    jdkVersionOption: '1.8'
-    jdkArchitectureOption: 'x64'
-    publishJUnitResults: true
-    testResultsFiles: '**/TEST-*.xml'
-    tasks: 'build'