diff --git a/pom.xml b/pom.xml
index a6fd0a92..d62bec96 100644
--- a/pom.xml
+++ b/pom.xml
@@ -322,18 +322,6 @@
       <artifactId>org.eclipse.rap.fileupload</artifactId>
       <version>3.7.0</version>
     </dependency>
-    <dependency>
-    <groupId>org.xeustechnologies</groupId>
-    <artifactId>jcl-core</artifactId> 
-    <version>2.8</version>
-  </dependency>
-<!--     <dependency> -->
-<!--         <groupId>com.eclipsesource.rap.aria</groupId> -->
-<!--         <artifactId>aria</artifactId> -->
-<!--         <version>1.0</version> -->
-<!--         <scope>system</scope> -->
-<!--         <systemPath>C:\dev\workspaces\sebserver\externalResources\lib\com.eclipsesource.rap.aria_0.4.0.20210614-0915.jar</systemPath> -->
-<!--     </dependency> -->
 
     <!-- Misc -->
     <dependency>
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/RAPConfiguration.java b/src/main/java/ch/ethz/seb/sebserver/gui/RAPConfiguration.java
index e35ecd27..17be4e81 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/RAPConfiguration.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/RAPConfiguration.java
@@ -10,7 +10,6 @@ package ch.ethz.seb.sebserver.gui;
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.lang.reflect.Method;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -18,7 +17,6 @@ import javax.servlet.ServletContext;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
 
-import org.apache.commons.lang3.StringUtils;
 import org.eclipse.rap.rwt.RWT;
 import org.eclipse.rap.rwt.application.AbstractEntryPoint;
 import org.eclipse.rap.rwt.application.Application;
@@ -35,7 +33,6 @@ import org.slf4j.LoggerFactory;
 import org.springframework.http.HttpStatus;
 import org.springframework.web.context.WebApplicationContext;
 import org.springframework.web.context.support.WebApplicationContextUtils;
-import org.xeustechnologies.jcl.JarClassLoader;
 
 //import com.eclipsesource.rap.aria.Aria;
 
@@ -127,7 +124,6 @@ public class RAPConfiguration implements ApplicationConfiguration {
 
     public static final class RAPSpringEntryPointFactory implements EntryPointFactory {
 
-        private final JarClassLoader jcl = new JarClassLoader();
         private boolean initialized = false;
 
         @Override
@@ -162,28 +158,6 @@ public class RAPConfiguration implements ApplicationConfiguration {
                     final WebApplicationContext webApplicationContext = getWebApplicationContext(httpSession);
                     initSpringBasedRAPServices(webApplicationContext);
 
-                    final String ariaPluginPath = ariaPluginPath(webApplicationContext);
-                    if (StringUtils.isNotBlank(ariaPluginPath)) {
-
-                        log.debug("Try to initialize com.eclipsesource.rap.aria.Aria plugin...");
-
-                        try {
-
-                            final Class<?> forName = Class.forName(
-                                    "com.eclipsesource.rap.aria.Aria",
-                                    false,
-                                    RAPSpringEntryPointFactory.this.jcl);
-
-                            final Method method = forName.getMethod("activate");
-                            method.invoke(null);
-
-                            log.info("Initialization of com.eclipsesource.rap.aria.Aria plugin was successful");
-
-                        } catch (final Exception e) {
-                            log.error("Failed to initialize com.eclipsesource.rap.aria.Aria plugin: ", e);
-                        }
-                    }
-
                     final EntryPointService entryPointService = webApplicationContext
                             .getBean(EntryPointService.class);
 
@@ -203,24 +177,12 @@ public class RAPConfiguration implements ApplicationConfiguration {
                     final DownloadService downloadService = webApplicationContext.getBean(DownloadService.class);
                     manager.registerServiceHandler(DownloadService.DOWNLOAD_SERVICE_NAME, downloadService);
 
-                    final String ariaPluginPath = ariaPluginPath(webApplicationContext);
-                    if (StringUtils.isNotBlank(ariaPluginPath)) {
-                        this.jcl.add(ariaPluginPath);
-                    }
-
                     this.initialized = true;
                 } catch (final IllegalArgumentException iae) {
                     log.warn("Failed to register DownloadService on ServiceManager. Already registered: ", iae);
                 }
             }
         }
-
-        private String ariaPluginPath(final WebApplicationContext webApplicationContext) {
-            return webApplicationContext
-                    .getEnvironment()
-                    .getProperty("sebserver.gui.external.lib.aria.plugin.path", "");
-
-        }
     }
 
     private static boolean isAuthenticated(