diff --git a/demos/global-matrix-auth/README.md b/demos/global-matrix-auth/README.md
index 331e52dd2d..ea9fb1a924 100644
--- a/demos/global-matrix-auth/README.md
+++ b/demos/global-matrix-auth/README.md
@@ -1,5 +1,7 @@
 # matrix-auth-plugin
 
+Requires `matrix-auth` >= 2.4
+
 ## sample-configuration (global matrix)
 
 ```yaml
diff --git a/integrations/pom.xml b/integrations/pom.xml
index 20c2e99471..c83a90d4d2 100644
--- a/integrations/pom.xml
+++ b/integrations/pom.xml
@@ -179,7 +179,7 @@
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>
       <artifactId>matrix-auth</artifactId>
-      <version>2.2</version>
+      <version>2.4</version>
       <scope>test</scope>
     </dependency>
 
diff --git a/support/pom.xml b/support/pom.xml
index db96c1b7a9..38d6c9543b 100644
--- a/support/pom.xml
+++ b/support/pom.xml
@@ -65,14 +65,6 @@
       <optional>true</optional>
     </dependency>
 
-    <dependency>
-      <groupId>org.jenkins-ci.plugins</groupId>
-      <artifactId>matrix-auth</artifactId>
-      <version>2.3</version>
-      <optional>true</optional>
-    </dependency>
-
-    
   </dependencies>
   <scm>
     <connection>scm:git:git://github.com/jenkinsci/configuration-as-code-plugin.git</connection>
diff --git a/support/src/main/java/io/jenkins/plugins/casc/support/matrixauth/GlobalMatrixAuthorizationStrategyConfigurator.java b/support/src/main/java/io/jenkins/plugins/casc/support/matrixauth/GlobalMatrixAuthorizationStrategyConfigurator.java
deleted file mode 100644
index aef1713c55..0000000000
--- a/support/src/main/java/io/jenkins/plugins/casc/support/matrixauth/GlobalMatrixAuthorizationStrategyConfigurator.java
+++ /dev/null
@@ -1,43 +0,0 @@
-package io.jenkins.plugins.casc.support.matrixauth;
-
-import edu.umd.cs.findbugs.annotations.CheckForNull;
-import edu.umd.cs.findbugs.annotations.NonNull;
-import hudson.Extension;
-import hudson.security.GlobalMatrixAuthorizationStrategy;
-import io.jenkins.plugins.casc.ConfigurationContext;
-import io.jenkins.plugins.casc.ConfiguratorException;
-import io.jenkins.plugins.casc.model.CNode;
-import io.jenkins.plugins.casc.model.Mapping;
-import org.kohsuke.accmod.Restricted;
-import org.kohsuke.accmod.restrictions.NoExternalUse;
-
-/**
- * @author Mads Nielsen
- * @since TODO
- */
-@Extension(optional = true, ordinal = 1)
-@Restricted(NoExternalUse.class)
-public class GlobalMatrixAuthorizationStrategyConfigurator extends MatrixAuthorizationStrategyConfigurator<GlobalMatrixAuthorizationStrategy> {
-
-    @Override
-    @NonNull
-    public String getName() {
-        return "globalMatrix";
-    }
-
-    @Override
-    public Class<GlobalMatrixAuthorizationStrategy> getTarget() {
-        return GlobalMatrixAuthorizationStrategy.class;
-    }
-
-    @Override
-    public GlobalMatrixAuthorizationStrategy instance(Mapping mapping, ConfigurationContext context) throws ConfiguratorException {
-        return new GlobalMatrixAuthorizationStrategy();
-    }
-
-    @CheckForNull
-    @Override
-    public CNode describe(GlobalMatrixAuthorizationStrategy instance, ConfigurationContext context) throws Exception {
-        return compare(instance, new GlobalMatrixAuthorizationStrategy(), context);
-    }
-}
diff --git a/support/src/main/java/io/jenkins/plugins/casc/support/matrixauth/MatrixAuthorizationStrategyConfigurator.java b/support/src/main/java/io/jenkins/plugins/casc/support/matrixauth/MatrixAuthorizationStrategyConfigurator.java
deleted file mode 100644
index 79972e520d..0000000000
--- a/support/src/main/java/io/jenkins/plugins/casc/support/matrixauth/MatrixAuthorizationStrategyConfigurator.java
+++ /dev/null
@@ -1,59 +0,0 @@
-package io.jenkins.plugins.casc.support.matrixauth;
-
-import edu.umd.cs.findbugs.annotations.NonNull;
-import hudson.security.AuthorizationStrategy;
-import hudson.security.Permission;
-import io.jenkins.plugins.casc.Attribute;
-import io.jenkins.plugins.casc.BaseConfigurator;
-import io.jenkins.plugins.casc.impl.attributes.MultivaluedAttribute;
-import io.jenkins.plugins.casc.util.PermissionFinder;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Set;
-import java.util.stream.Collectors;
-import org.jenkinsci.plugins.matrixauth.AuthorizationContainer;
-
-/**
- * @author <a href="mailto:nicolas.deloof@gmail.com">Nicolas De Loof</a>
- */
-public abstract class MatrixAuthorizationStrategyConfigurator<T extends AuthorizationContainer> extends BaseConfigurator<T> {
-
-    @NonNull
-    @Override
-    public Class getImplementedAPI() {
-        return AuthorizationStrategy.class;
-    }
-
-
-    @Override
-    @NonNull
-    public Set<Attribute<T, ?>> describe() {
-        return Collections.singleton(
-                new MultivaluedAttribute<T, String>("grantedPermissions", String.class)
-                        .getter(MatrixAuthorizationStrategyConfigurator::getGrantedPermissions)
-                        .setter(MatrixAuthorizationStrategyConfigurator::setGrantedPermissions)
-        );
-    }
-
-    /**
-     * Extract container's permissions as a List of "PERMISSION:sid"
-     */
-    static Collection<String> getGrantedPermissions(AuthorizationContainer container) {
-        return container.getGrantedPermissions().entrySet().stream()
-                .flatMap( e -> e.getValue().stream().map(v -> e.getKey()+":"+v))
-                .collect(Collectors.toList());
-    }
-
-    /**
-     * Configure container's permissions from a List of "PERMISSION:sid"
-     * @param container
-     * @param permissions
-     */
-    static void setGrantedPermissions(AuthorizationContainer container, Collection<String> permissions) {
-        permissions.forEach(p -> {
-            final int i = p.indexOf(':');
-            final Permission permission = PermissionFinder.findPermission(p.substring(0, i));
-            container.add(permission, p.substring(i+1));
-        });
-    }
-}
diff --git a/support/src/main/java/io/jenkins/plugins/casc/support/matrixauth/ProjectMatrixAuthorizationStrategyConfigurator.java b/support/src/main/java/io/jenkins/plugins/casc/support/matrixauth/ProjectMatrixAuthorizationStrategyConfigurator.java
deleted file mode 100644
index 3cb24a66bd..0000000000
--- a/support/src/main/java/io/jenkins/plugins/casc/support/matrixauth/ProjectMatrixAuthorizationStrategyConfigurator.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package io.jenkins.plugins.casc.support.matrixauth;
-
-import edu.umd.cs.findbugs.annotations.CheckForNull;
-import edu.umd.cs.findbugs.annotations.NonNull;
-import hudson.Extension;
-import hudson.security.ProjectMatrixAuthorizationStrategy;
-import io.jenkins.plugins.casc.ConfigurationContext;
-import io.jenkins.plugins.casc.ConfiguratorException;
-import io.jenkins.plugins.casc.model.CNode;
-import io.jenkins.plugins.casc.model.Mapping;
-import org.kohsuke.accmod.Restricted;
-import org.kohsuke.accmod.restrictions.NoExternalUse;
-
-@Extension(optional = true, ordinal = 1)
-@Restricted(NoExternalUse.class)
-public class ProjectMatrixAuthorizationStrategyConfigurator extends MatrixAuthorizationStrategyConfigurator<ProjectMatrixAuthorizationStrategy> {
-
-    @Override
-    @NonNull
-    public String getName() {
-        return "projectMatrix";
-    }
-
-    @Override
-    public Class<ProjectMatrixAuthorizationStrategy> getTarget() {
-        return ProjectMatrixAuthorizationStrategy.class;
-    }
-
-    @Override
-    public ProjectMatrixAuthorizationStrategy instance(Mapping mapping, ConfigurationContext context) throws ConfiguratorException {
-        return new ProjectMatrixAuthorizationStrategy();
-    }
-
-    @CheckForNull
-    @Override
-    public CNode describe(ProjectMatrixAuthorizationStrategy instance, ConfigurationContext context) throws Exception {
-        return compare(instance, new ProjectMatrixAuthorizationStrategy(), context);
-    }
-
-}