diff --git a/org.eclipse.jdt.debug.ui/plugin.xml b/org.eclipse.jdt.debug.ui/plugin.xml
index 2a878ca57b..87cec7accc 100644
--- a/org.eclipse.jdt.debug.ui/plugin.xml
+++ b/org.eclipse.jdt.debug.ui/plugin.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?eclipse version="3.0"?>
 <!--
-     Copyright (c) 2005, 2024 IBM Corporation and others.
+     Copyright (c) 2005, 2025 IBM Corporation and others.
 
      This program and the accompanying materials
      are made available under the terms of the Eclipse Public License 2.0
@@ -2998,11 +2998,6 @@ M4 = Platform-specific fourth key
             class="org.eclipse.jdt.internal.debug.ui.jres.StandardVMCommandTab"
             id="org.eclipse.jdt.debug.ui.StandardVMCommandTab">
       </vmInstallTypePage>
-      <vmInstallTypePage
-            vmInstallTypeID="org.eclipse.jdt.launching.Standard11xVMType"
-            class="org.eclipse.jdt.internal.debug.ui.jres.StandardVMCommandTab"
-            id="org.eclipse.jdt.debug.ui.StandardVMCommandTab">
-      </vmInstallTypePage>
    </extension>
    <extension
          point="org.eclipse.team.core.fileTypes">
diff --git a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/LaunchingMessages.java b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/LaunchingMessages.java
index 84ea75088f..39eb69dd65 100644
--- a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/LaunchingMessages.java
+++ b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/LaunchingMessages.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2018 IBM Corporation and others.
+ * Copyright (c) 2000, 2025 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -203,8 +203,6 @@ public class LaunchingMessages extends NLS {
 	public static String JavaSourceLocator_Unable_to_restore_Java_source_locator___invalid_format__14;
 	public static String JavaSourceLocator_Exception_occurred_initializing_source_locator__15;
 
-	public static String Standard11xVMType_Standard_1_1_x_VM_1;
-
 	public static String PackageFragmentRootSourceLocation_Unable_to_initialize_source_location___missing_handle_identifier_for_package_fragment_root__6;
 	public static String PackageFragmentRootSourceLocation_Unable_to_initialize_source_location___package_fragment_root_does_not_exist__7;
 	public static String PackageFragmentRootSourceLocation_Exception_occurred_initializing_source_location__8;
diff --git a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/LaunchingMessages.properties b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/LaunchingMessages.properties
index dd09cad639..e57d2184bc 100644
--- a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/LaunchingMessages.properties
+++ b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/LaunchingMessages.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2000, 2018 IBM Corporation and others.
+# Copyright (c) 2000, 2025 IBM Corporation and others.
 #
 # This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License 2.0
@@ -165,8 +165,6 @@ JavaSourceLocator_Unable_to_restore_source_location__12=Unable to restore source
 JavaSourceLocator_Unable_to_restore_Java_source_locator___invalid_format__14=Unable to restore Java source locator - invalid format.
 JavaSourceLocator_Exception_occurred_initializing_source_locator__15=Exception occurred initializing source locator.
 
-Standard11xVMType_Standard_1_1_x_VM_1=Standard 1.1.x VM
-
 PackageFragmentRootSourceLocation_Unable_to_initialize_source_location___missing_handle_identifier_for_package_fragment_root__6=Unable to initialize source location - missing handle identifier for package fragment root.
 PackageFragmentRootSourceLocation_Unable_to_initialize_source_location___package_fragment_root_does_not_exist__7=Unable to initialize source location - package fragment root does not exist.
 PackageFragmentRootSourceLocation_Exception_occurred_initializing_source_location__8=Exception occurred initializing source location.
diff --git a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/Standard11xVM.java b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/Standard11xVM.java
deleted file mode 100644
index c417799697..0000000000
--- a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/Standard11xVM.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2011 IBM Corporation and others.
- *
- * This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License 2.0
- * which accompanies this distribution, and is available at
- * https://www.eclipse.org/legal/epl-2.0/
- *
- * SPDX-License-Identifier: EPL-2.0
- *
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.jdt.internal.launching;
-
-
-import org.eclipse.debug.core.ILaunchManager;
-import org.eclipse.jdt.launching.IVMInstallType;
-import org.eclipse.jdt.launching.IVMRunner;
-
-/**
- * A 1.1.x VM
- */
-public class Standard11xVM extends StandardVM {
-
-	public Standard11xVM(IVMInstallType type, String id) {
-		super(type, id);
-	}
-
-
-	/**
-	 * @see org.eclipse.jdt.launching.IVMInstall#getVMRunner(String)
-	 */
-	@Override
-	public IVMRunner getVMRunner(String mode) {
-		if (ILaunchManager.RUN_MODE.equals(mode)) {
-			return new Standard11xVMRunner(this);
-		}
-		return null;
-	}
-
-
-}
-
diff --git a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/Standard11xVMRunner.java b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/Standard11xVMRunner.java
deleted file mode 100644
index 85dd8764eb..0000000000
--- a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/Standard11xVMRunner.java
+++ /dev/null
@@ -1,145 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2022 IBM Corporation and others.
- *
- * This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License 2.0
- * which accompanies this distribution, and is available at
- * https://www.eclipse.org/legal/epl-2.0/
- *
- * SPDX-License-Identifier: EPL-2.0
- *
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.jdt.internal.launching;
-
-
-import java.io.File;
-import java.text.DateFormat;
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.List;
-import java.util.stream.Collectors;
-
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IProgressMonitor;
-import org.eclipse.core.runtime.SubMonitor;
-import org.eclipse.debug.core.DebugPlugin;
-import org.eclipse.debug.core.ILaunch;
-import org.eclipse.debug.core.model.IProcess;
-import org.eclipse.jdt.launching.IVMInstall;
-import org.eclipse.jdt.launching.JavaRuntime;
-import org.eclipse.jdt.launching.LibraryLocation;
-import org.eclipse.jdt.launching.VMRunnerConfiguration;
-
-
-/**
- * A 1.1.x VM runner
- */
-public class Standard11xVMRunner extends StandardVMRunner {
-
-	public Standard11xVMRunner(IVMInstall vmInstance) {
-		super(vmInstance);
-	}
-
-	/* (non-Javadoc)
-	 * @see org.eclipse.jdt.launching.IVMRunner#run(org.eclipse.jdt.launching.VMRunnerConfiguration, org.eclipse.debug.core.ILaunch, org.eclipse.core.runtime.IProgressMonitor)
-	 */
-	@Override
-	public void run(VMRunnerConfiguration config, ILaunch launch, IProgressMonitor monitor) throws CoreException {
-		SubMonitor subMonitor = SubMonitor.convert(monitor, LaunchingMessages.StandardVMRunner_Launching_VM____1, 2);
-		subMonitor.subTask(LaunchingMessages.StandardVMRunner_Constructing_command_line____2); //
-
-		String program= constructProgramString(config);
-
-		List<String> arguments= new ArrayList<>();
-		arguments.add(program);
-
-		// VM arguments are the first thing after the java program so that users can specify
-		// options like '-client' & '-server' which are required to be the first option
-		String[] vmArgs= combineVmArgs(config, fVMInstance);
-		addArguments(vmArgs, arguments);
-
-		String[] bootCP= config.getBootClassPath();
-		String[] classPath = config.getClassPath();
-
-		String[] combinedPath = null;
-		if (bootCP == null) {
-			LibraryLocation[] locs = JavaRuntime.getLibraryLocations(fVMInstance);
-			bootCP = new String[locs.length];
-			for (int i = 0; i < locs.length; i++) {
-				bootCP[i] = locs[i].getSystemLibraryPath().toOSString();
-			}
-		}
-
-		combinedPath = new String[bootCP.length + classPath.length];
-		int offset = 0;
-		for (int i = 0; i < bootCP.length; i++) {
-			combinedPath[offset] = bootCP[i];
-			offset++;
-		}
-		for (int i = 0; i < classPath.length; i++) {
-			combinedPath[offset] = classPath[i];
-			offset++;
-		}
-		if (combinedPath.length > 0) {
-			arguments.add("-classpath"); //$NON-NLS-1$
-			arguments.add(convertClassPath(combinedPath));
-		}
-		arguments.add(config.getClassToLaunch());
-
-		String[] programArgs= config.getProgramArguments();
-
-		String[] envp = prependJREPath(config.getEnvironment());
-		int lastVMArgumentIndex = arguments.size() - 1;
-		addArguments(programArgs, arguments);
-
-		String[] cmdLine= new String[arguments.size()];
-		arguments.toArray(cmdLine);
-
-		// check for cancellation
-		if (subMonitor.isCanceled()) {
-			return;
-		}
-		File workingDir = getWorkingDir(config);
-		ClasspathShortener classpathShortener = new ClasspathShortener(fVMInstance, launch, cmdLine, lastVMArgumentIndex, workingDir, envp);
-		if (classpathShortener.shortenCommandLineIfNecessary()) {
-			cmdLine = classpathShortener.getCmdLine();
-			envp = classpathShortener.getEnvp();
-		}
-
-		subMonitor.worked(1);
-		subMonitor.subTask(LaunchingMessages.StandardVMRunner_Starting_virtual_machine____3);
-
-		Process p= null;
-		String[] newCmdLine = validateCommandLine(launch.getLaunchConfiguration(), cmdLine);
-		if(newCmdLine != null) {
-			cmdLine = newCmdLine;
-		}
-		p= exec(cmdLine, workingDir, envp);
-		if (p == null) {
-			return;
-		}
-
-		// check for cancellation
-		if (subMonitor.isCanceled()) {
-			p.destroy();
-			return;
-		}
-		String timestamp = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM).format(new Date(System.currentTimeMillis()));
-		IProcess process = DebugPlugin.newProcess(launch, p, renderProcessLabel(p, cmdLine, timestamp));
-		process.setAttribute(DebugPlugin.ATTR_PATH, cmdLine[0]);
-		process.setAttribute(IProcess.ATTR_CMDLINE, renderCommandLine(cmdLine));
-		String ltime = launch.getAttribute(DebugPlugin.ATTR_LAUNCH_TIMESTAMP);
-		process.setAttribute(DebugPlugin.ATTR_LAUNCH_TIMESTAMP, ltime != null ? ltime : timestamp);
-		if(workingDir != null) {
-			process.setAttribute(DebugPlugin.ATTR_WORKING_DIRECTORY, workingDir.getAbsolutePath());
-		}
-		if (!classpathShortener.getProcessTempFiles().isEmpty()) {
-			String tempFiles = classpathShortener.getProcessTempFiles().stream().map(file -> file.getAbsolutePath()).collect(Collectors.joining(File.pathSeparator));
-			process.setAttribute(LaunchingPlugin.ATTR_LAUNCH_TEMP_FILES, tempFiles);
-		}
-		subMonitor.worked(1);
-	}
-}
-
diff --git a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/Standard11xVMType.java b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/Standard11xVMType.java
deleted file mode 100644
index 5212114195..0000000000
--- a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/Standard11xVMType.java
+++ /dev/null
@@ -1,103 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2011 IBM Corporation and others.
- *
- * This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License 2.0
- * which accompanies this distribution, and is available at
- * https://www.eclipse.org/legal/epl-2.0/
- *
- * SPDX-License-Identifier: EPL-2.0
- *
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.jdt.internal.launching;
-
-
-import java.io.File;
-
-import org.eclipse.core.runtime.IPath;
-import org.eclipse.jdt.launching.IVMInstall;
-import org.eclipse.jdt.launching.LibraryLocation;
-
-/**
- * A VM install type for VMs the conform to the 1.1.x standard
- * JDK installion layout, and command line options.
- */
-public class Standard11xVMType extends StandardVMType {
-
-	/**
-	 * @see org.eclipse.jdt.internal.launching.StandardVMType#getDefaultSystemLibrary(java.io.File)
-	 */
-	@Override
-	protected IPath getDefaultSystemLibrary(File installLocation) {
-		return IPath.fromFile(installLocation).append("lib").append("classes.zip"); //$NON-NLS-2$ //$NON-NLS-1$
-	}
-
-	/**
-	 * @see org.eclipse.jdt.launching.AbstractVMInstallType#doCreateVMInstall(java.lang.String)
-	 */
-	@Override
-	protected IVMInstall doCreateVMInstall(String id) {
-		return new Standard11xVM(this, id);
-	}
-
-	/**
-	 * @see org.eclipse.jdt.internal.launching.StandardVMType#getDefaultSystemLibrarySource(java.io.File)
-	 */
-	@Override
-	protected IPath getDefaultSystemLibrarySource(File libLocation) {
-		setDefaultRootPath(""); //$NON-NLS-1$
-		return IPath.EMPTY;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.eclipse.jdt.launching.IVMInstallType#getName()
-	 */
-	@Override
-	public String getName() {
-		return LaunchingMessages.Standard11xVMType_Standard_1_1_x_VM_1;
-	}
-
-	/**
-	 * Returns <code>null</code> - not supported.
-	 *
-	 * @see StandardVMType#getDefaultExtensionDirectory(File)
-	 */
-	@Override
-	protected File getDefaultExtensionDirectory(File installLocation) {
-		return null;
-	}
-
-	/**
-	 * @see org.eclipse.jdt.internal.launching.StandardVMType#getDefaultEndorsedDirectory(java.io.File)
-	 */
-	@Override
-	protected File getDefaultEndorsedDirectory(File installLocation) {
-		return null;
-	}
-
-	/**
-	 * @see org.eclipse.jdt.launching.IVMInstallType#getDefaultLibraryLocations(java.io.File)
-	 */
-	@Override
-	public LibraryLocation[] getDefaultLibraryLocations(File installLocation) {
-		IPath libPath = getDefaultSystemLibrary(installLocation);
-		File lib = libPath.toFile();
-		if (lib.exists()) {
-			return new LibraryLocation[] {new LibraryLocation(libPath, getDefaultSystemLibrarySource(lib), getDefaultPackageRootPath())};
-		}
-		return new LibraryLocation[0];
-	}
-
-	/**
-	 * Return <code>true</code> if the appropriate system libraries can be found for the
-	 * specified java executable, <code>false</code> otherwise.
-	 */
-	@Override
-	protected boolean canDetectDefaultSystemLibraries(File javaHome, File javaExecutable) {
-		LibraryLocation[] locations = getDefaultLibraryLocations(javaHome);
-		String version = getVMVersion(javaHome, javaExecutable);
-		return locations.length > 0 && version.startsWith("1.1"); //$NON-NLS-1$
-	}
-}
diff --git a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/StandardVMType.java b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/StandardVMType.java
index de80b2356d..07cce79c22 100644
--- a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/StandardVMType.java
+++ b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/StandardVMType.java
@@ -87,7 +87,6 @@ public class StandardVMType extends AbstractVMInstallType {
 
 	/**
 	 * The minimal -Xmx size for launching a JVM. <br>
-	 * <b>Note:</b> Must be omitted for Standard11xVM! <br>
 	 * <b>Note:</b> Must be at least -Xmx16m for JRockit, see <a href="https://bugs.eclipse.org/bugs/show_bug.cgi?id=433455">bug 433455</a>.
 	 *
 	 * @since 3.7.100
diff --git a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/launching/AbstractVMInstall.java b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/launching/AbstractVMInstall.java
index ef2b572459..2a50105d7a 100644
--- a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/launching/AbstractVMInstall.java
+++ b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/launching/AbstractVMInstall.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2024 IBM Corporation and others.
+ * Copyright (c) 2000, 2025 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -41,7 +41,6 @@
 import org.eclipse.debug.core.model.IStreamsProxy;
 import org.eclipse.jdt.internal.launching.LaunchingMessages;
 import org.eclipse.jdt.internal.launching.LaunchingPlugin;
-import org.eclipse.jdt.internal.launching.Standard11xVM;
 import org.eclipse.jdt.internal.launching.StandardVMType;
 import org.eclipse.osgi.util.NLS;
 import org.w3c.dom.Document;
@@ -378,9 +377,7 @@ public Map<String, String> evaluateSystemProperties(String[] properties, IProgre
 				if (runner == null) {
 					abort(NLS.bind(LaunchingMessages.AbstractVMInstall_0, ""), null, IJavaLaunchConfigurationConstants.ERR_INTERNAL_ERROR); //$NON-NLS-1$
 				}
-				if (!(this instanceof Standard11xVM)) {
-					config.setVMArguments(new String[] { StandardVMType.MIN_VM_SIZE });
-				}
+				config.setVMArguments(new String[] { StandardVMType.MIN_VM_SIZE });
 				config.setProgramArguments(properties);
 				Launch launch = new Launch(null, ILaunchManager.RUN_MODE, null);
 				if (monitor.isCanceled()) {
diff --git a/org.eclipse.jdt.launching/plugin.xml b/org.eclipse.jdt.launching/plugin.xml
index 51a3ec240b..5b96041053 100644
--- a/org.eclipse.jdt.launching/plugin.xml
+++ b/org.eclipse.jdt.launching/plugin.xml
@@ -36,10 +36,6 @@
             class="org.eclipse.jdt.internal.launching.StandardVMType"
             id="org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType">
       </vmInstallType>
-      <vmInstallType
-            class="org.eclipse.jdt.internal.launching.Standard11xVMType"
-            id="org.eclipse.jdt.launching.Standard11xVMType">
-      </vmInstallType>
       <vmInstallType
             class="org.eclipse.jdt.internal.launching.EEVMType"
             id="org.eclipse.jdt.launching.EEVMType">