diff --git a/org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/JDTUtils.java b/org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/JDTUtils.java
index c295f60732..89d53be3e1 100644
--- a/org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/JDTUtils.java
+++ b/org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/JDTUtils.java
@@ -1854,4 +1854,8 @@ public static boolean isGenerated(IMember member) {
 		return result;
 	}
 
+	public static boolean isUnnamedClass(IJavaElement element) {
+		return element.getElementType() == IJavaElement.TYPE && element.getElementName().startsWith("<unnamed_class$");
+	}
+
 }
diff --git a/org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/handlers/CodeLensHandler.java b/org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/handlers/CodeLensHandler.java
index 3e82036c5c..5c7e6da2c0 100644
--- a/org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/handlers/CodeLensHandler.java
+++ b/org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/handlers/CodeLensHandler.java
@@ -212,7 +212,7 @@ private void collectCodeLenses(ITypeRoot typeRoot, IJavaElement[] elements, Coll
 				}
 				//ignore element if method range overlaps the type range, happens for generated bytcode, i.e. with lombok
 				IJavaElement parentType = element.getAncestor(IJavaElement.TYPE);
-				if (parentType != null && overlaps(((ISourceReference) parentType).getNameRange(), ((ISourceReference) element).getNameRange())) {
+				if (parentType != null && !JDTUtils.isUnnamedClass(parentType) && overlaps(((ISourceReference) parentType).getNameRange(), ((ISourceReference) element).getNameRange())) {
 					continue;
 				}
 			} else {//neither a type nor a method, we bail
@@ -220,9 +220,11 @@ private void collectCodeLenses(ITypeRoot typeRoot, IJavaElement[] elements, Coll
 			}
 
 			if (preferenceManager.getPreferences().isReferencesCodeLensEnabled()) {
-				CodeLens lens = getCodeLens(REFERENCES_TYPE, element, typeRoot);
-				if (lens != null) {
-					lenses.add(lens);
+				if (!JDTUtils.isUnnamedClass(element)) {
+					CodeLens lens = getCodeLens(REFERENCES_TYPE, element, typeRoot);
+					if (lens != null) {
+						lenses.add(lens);
+					}
 				}
 			}
 			if (preferenceManager.getPreferences().isImplementationsCodeLensEnabled() && element instanceof IType type) {
diff --git a/org.eclipse.jdt.ls.tests/projects/eclipse/java21/src/main/java/UnnamedWithString.java b/org.eclipse.jdt.ls.tests/projects/eclipse/java21/src/main/java/UnnamedWithString.java
new file mode 100644
index 0000000000..8f14cf779f
--- /dev/null
+++ b/org.eclipse.jdt.ls.tests/projects/eclipse/java21/src/main/java/UnnamedWithString.java
@@ -0,0 +1,7 @@
+String foo() {
+	return "foo";
+}
+
+void main() {
+	System.out.println(foo());
+}
diff --git a/org.eclipse.jdt.ls.tests/src/org/eclipse/jdt/ls/core/internal/handlers/CodeLensHandlerTest.java b/org.eclipse.jdt.ls.tests/src/org/eclipse/jdt/ls/core/internal/handlers/CodeLensHandlerTest.java
index 659aac92b6..ce03147ce1 100644
--- a/org.eclipse.jdt.ls.tests/src/org/eclipse/jdt/ls/core/internal/handlers/CodeLensHandlerTest.java
+++ b/org.eclipse.jdt.ls.tests/src/org/eclipse/jdt/ls/core/internal/handlers/CodeLensHandlerTest.java
@@ -118,13 +118,15 @@ public class CodeLensHandlerTest extends AbstractProjectsManagerBasedTest {
 	private CodeLensHandler handler;
 
 	private IProject project;
+	private IProject java21Project;
 
 	private PreferenceManager preferenceManager;
 
 	@Before
 	public void setup() throws Exception {
-		importProjects("eclipse/hello");
+		importProjects(List.of("eclipse/hello", "eclipse/java21"));
 		project = WorkspaceHelper.getProject("hello");
+		java21Project = WorkspaceHelper.getProject("java21");
 		preferenceManager = mock(PreferenceManager.class);
 		when(preferenceManager.getPreferences()).thenReturn(new Preferences());
 		handler = new CodeLensHandler(preferenceManager);
@@ -377,11 +379,39 @@ public void testIgnoreLombokCodeLensSymbols() throws Exception {
 		assertRange(5, 13, 16, cl.getRange());
 	}
 
+	@Test
+	public void testNoReferenceCodeLensForUnnamedClasses() throws Exception {
+		String payload = createCodeLensSymbolsRequestJava21("src/java/UnnamedWithString.java");
+		CodeLensParams codeLensParams = getParams(payload);
+		String uri = codeLensParams.getTextDocument().getUri();
+		assertFalse(uri.isEmpty());
+		//when
+		List<CodeLens> result = handler.getCodeLensSymbols(uri, monitor);
+
+		//then
+		assertEquals("Found " + result, 2, result.size());
+
+		// CodeLens on foo()
+		CodeLens cl = result.get(0);
+		assertRange(0, 7, 10, cl.getRange());
+		assertEquals("1 reference", cl.getCommand().getTitle());
+
+		// CodeLens on main()
+		cl = result.get(1);
+		assertRange(4, 5, 9, cl.getRange());
+		assertEquals("0 references", cl.getCommand().getTitle());
+	}
+
 	String createCodeLensSymbolsRequest(String file) {
 		URI uri = project.getFile(file).getRawLocationURI();
 		return createCodeLensSymbolRequest(uri);
 	}
 
+	String createCodeLensSymbolsRequestJava21(String file) {
+		URI uri = java21Project.getFile(file).getRawLocationURI();
+		return createCodeLensSymbolRequest(uri);
+	}
+
 	String createCodeLensSymbolRequest(URI file) {
 		String fileURI = ResourceUtils.fixURI(file);
 		return CODELENS_PARAM_TEMPLATE.replace("${file}", fileURI);