diff --git a/README.md b/README.md
index 862162f..f50971b 100644
--- a/README.md
+++ b/README.md
@@ -8,31 +8,6 @@ Documentation: <https://jenkins.io/doc/book/pipeline/shared-libraries/>
 
 ## global variables
 
-### addDeployLinks
-
-Adds a link(to another job) for a specific build from the build history of a jenkins job.
-See it's [documentation](vars/addDeployLinks.txt).
-This function is a component of the [Integration Pipeline](doc/Integration-Pipeline.md).
-
-Source: [vars/addDeployLinks.groovy](vars/addDeployLinks.groovy)
-
-### cleanBuilds
-
-Cleans up the build history of the jenkins job. It can differentiate deployments to specific environments.
-See it's [documentation](vars/cleanBuilds.txt).
-This function is a component of the [Integration Pipeline](doc/Integration-Pipeline.md).
-
-Source: [vars/cleanBuilds.groovy](vars/cleanBuilds.groovy)
-
-### deployChangedComponents
-
-This function can be used as a template for deploying a component on a specific environment.
-There is no actual implementation of a deployment but a placeholder with an echo output.
-See it's [documentation](vars/deployChangedComponents.txt).
-This function is a component of the [Integration Pipeline](doc/Integration-Pipeline.md).
-
-Source: [vars/deployChangedComponents.groovy](vars/deployChangedComponents.groovy)
-
 ### executable
 
 Ensures that the given executable is available on the current Jenkins agent, installing it with a Jenkins tool installer 
@@ -63,23 +38,6 @@ Requests OpenShift to start build from the specified build config and waits for
 
 Runs the OWASP dependency-check tool.
 
-### replaceFromVault
-
-Substitutes variables in a provided String with secrets retrieved from HashiCorp Vault.
-
-### trackComponentVersions
-
-This function tracks information about the current deployment state of a component on a specific environment.
-See it's [documentation](vars/trackComponentVersions.txt).
-This function is a component of the [Integration Pipeline](doc/Integration-Pipeline.md).
-
-Source: [vars/trackComponentVersions.groovy](vars/trackComponentVersions.groovy)
-
-### withGitCrypt
-
-Unlocks the Git repository in the current directory with `git-crypt` for the duration of the scope of the
- step and locks it again afterwards.
-
 ## Groovy source files
 
 ### DockerHub
diff --git a/test/groovy/vars/CheckPipelineTest.groovy b/test/groovy/vars/CheckPipelineTest.groovy
deleted file mode 100644
index 5d2a75b..0000000
--- a/test/groovy/vars/CheckPipelineTest.groovy
+++ /dev/null
@@ -1,51 +0,0 @@
-package groovy.pipeline
-
-import com.lesfurets.jenkins.unit.declarative.DeclarativePipelineTest
-import org.junit.Before
-import org.junit.Test
-
-import static com.lesfurets.jenkins.unit.MethodCall.callArgsToString
-import static com.lesfurets.jenkins.unit.global.lib.LibraryConfiguration.library
-import static com.lesfurets.jenkins.unit.global.lib.ProjectSource.projectSource
-import static org.assertj.core.api.Assertions.assertThat
-
-class CheckPipelineTest extends DeclarativePipelineTest {
-
-    @Before
-    @Override
-    void setUp() throws Exception {
-        super.setUp()
-        helper.libLoader.preloadLibraryClasses = false
-        def library = library().name('jenkins-shared-library')
-                .defaultVersion('master')
-                .allowOverride(true)
-                .implicit(true)
-                .targetPath('<notNeeded>')
-                .retriever(projectSource())
-                .build()
-        helper.registerSharedLibrary(library)
-    }
-
-    @Test
-    void itShouldAbortForMissingMandatoryParameter() {
-        // when
-        runScript('test/resources/vars/check/mandatoryParameterMissing.groovy')
-
-        // then
-        assertThat(helper.callStack.findAll { call ->
-            call.methodName == "error"
-        }.any { call ->
-            callArgsToString(call).contains("missing parameter: hallo")
-        }).isTrue()
-        printCallStack()
-    }
-
-    @Test
-    void itShouldNotAbortForAvailableMandatoryParameter() {
-        // when
-        runScript('test/resources/vars/check/mandatoryParameter.groovy')
-
-        // then
-        assertJobStatusSuccess()
-    }
-}
diff --git a/test/groovy/vars/CheckTest.groovy b/test/groovy/vars/CheckTest.groovy
deleted file mode 100644
index 952e52b..0000000
--- a/test/groovy/vars/CheckTest.groovy
+++ /dev/null
@@ -1,56 +0,0 @@
-package groovy.vars
-
-import static org.assertj.core.api.Assertions.*
-import static com.lesfurets.jenkins.unit.MethodCall.callArgsToString
-
-import com.lesfurets.jenkins.unit.BasePipelineTest
-import org.junit.Before
-import org.junit.Test
-
-/**
- * Tests for vars/check.groovy
- */
-class CheckTest extends BasePipelineTest {
-
-    private Script check
-
-    @Override
-    @Before
-    void setUp() {
-        super.setUp()
-        check = loadScript('vars/check.groovy')
-    }
-
-    @Test
-    void itShouldAbortForMissingMandatoryParameter() {
-        // given
-        // Override error behaviour as it is not correctly implemented by the test framework
-        helper.registerAllowedMethod('error', [String.class])
-        check.binding.setVariable('params', [:])
-
-        // when
-        check.mandatoryParameter('hallo')
-
-        // then
-        assertJobStatusAborted()
-        assertThat(helper.callStack.findAll { call ->
-            call.methodName == 'error'
-        }.any { call ->
-            callArgsToString(call).contains('missing parameter: hallo')
-        }).isTrue()
-    }
-
-    @Test
-    void itShouldNotAbortForAvailableMandatoryParameter() {
-        // given
-        check.binding.setVariable('currentBuild', [result: 'null'])
-        check.binding.setVariable('params', [hallo: 'test'])
-
-        // when
-        check.mandatoryParameter('hallo')
-
-        // then
-        assertThat(check.binding.getVariable('currentBuild').result as String).isEqualTo('null')
-        assertThat(helper.callStack).filteredOn({ it.methodName == 'error' }).isEmpty()
-    }
-}
diff --git a/test/groovy/vars/OpenshiftUtilsSpec.groovy b/test/groovy/vars/OpenshiftUtilsSpec.groovy
deleted file mode 100644
index 6dc3032..0000000
--- a/test/groovy/vars/OpenshiftUtilsSpec.groovy
+++ /dev/null
@@ -1,59 +0,0 @@
-package groovy.vars
-
-import com.homeaway.devtools.jenkins.testing.JenkinsPipelineSpecification
-
-class OpenshiftUtilsSpec extends JenkinsPipelineSpecification {
-
-    def openshiftUtils = loadPipelineScriptForTest('vars/openshiftUtils.groovy')
-
-    def 'Applys the template without namespace'() {
-        setup:
-            explicitlyMockPipelineVariable('openshift_token')
-        when:
-            openshiftUtils.applyTemplate("https://console.appuio.ch/", "my-appuio-project", "template.yaml", "APPUiO_login_token", false)
-        then:
-            1 * getPipelineMock('echo').call('OpenShift server URL: https://console.appuio.ch/')
-            1 * getPipelineMock('echo').call('OpenShift project: my-appuio-project')
-            1 * getPipelineMock('echo').call('resource file: template.yaml')
-            1 * getPipelineMock('withCredentials').call(_) >> { _arguments ->
-                def credentialsId = 'APPUiO_login_token'
-                credentialsId == _arguments[0][0].credentialsId[0]
-            }
-            1 * getPipelineMock('tool').call(_) >> '/home/jenkins'
-            1 * getPipelineMock('withEnv').call(_) >> { _arguments ->
-//              TODO: pwd mock
-                def env = ["KUBECONFIG=null/test/path/.kube", "PATH+OC_HOME=/home/jenkins/bin", "ocpUrl=https://console.appuio.ch/"]
-                env == _arguments[0][0]
-            }
-            1 * getPipelineMock('sh').call('oc login https://console.appuio.ch/ --insecure-skip-tls-verify=true --token=Mock Generator for [openshift_token]')
-            1 * getPipelineMock('sh').call('oc process -f template.yaml | oc apply -f -')
-    }
-
-    def 'Applys the template with namespace'() {
-        setup:
-            explicitlyMockPipelineVariable('openshift_token')
-        when:
-            openshiftUtils.applyTemplate("https://console.appuio.ch/", "my-appuio-project", "template.yaml", "APPUiO_login_token", true)
-        then:
-            1 * getPipelineMock('sh').call('oc process -f template.yaml -p NAMESPACE_NAME=$(oc project -q) | oc apply -f -')
-    }
-
-    def 'Applys the template with envFile and without namespace'() {
-        setup:
-            explicitlyMockPipelineVariable('openshift_token')
-        when:
-            openshiftUtils.applyTemplateWithEnvFile("https://console.appuio.ch/", "my-appuio-project", "template.yaml", "APPUiO_login_token", 'envFile.env', false)
-        then:
-            1 * getPipelineMock('echo').call('environment file: envFile.env')
-            1 * getPipelineMock('sh').call('oc process -f template.yaml --param-file envFile.env | oc apply -f -')
-    }
-
-    def 'Applys the template with namespace and envFile'() {
-        setup:
-            explicitlyMockPipelineVariable('openshift_token')
-        when:
-            openshiftUtils.applyTemplateWithEnvFile("https://console.appuio.ch/", "my-appuio-project", "template.yaml", "APPUiO_login_token", 'envFile.env', true)
-        then:
-            1 * getPipelineMock('sh').call('oc process -f template.yaml -p NAMESPACE_NAME=$(oc project -q) --param-file envFile.env | oc apply -f -')
-    }
-}