diff --git a/rascal-lsp/src/main/java/org/rascalmpl/vscode/lsp/util/SemanticTokenizerTester.java b/rascal-lsp/src/main/java/org/rascalmpl/vscode/lsp/util/SemanticTokenizerTester.java
index e7e38935..540b9d37 100644
--- a/rascal-lsp/src/main/java/org/rascalmpl/vscode/lsp/util/SemanticTokenizerTester.java
+++ b/rascal-lsp/src/main/java/org/rascalmpl/vscode/lsp/util/SemanticTokenizerTester.java
@@ -35,9 +35,9 @@
 
 public class SemanticTokenizerTester {
 
-    public IValue toTokens(IConstructor tree, IBool applyRascalCategoryPatch) {
+    public IValue toTokens(IConstructor tree, IBool useLegacyHighlighting, IBool applyRascalCategoryPatch) {
         var tokenizer = new SemanticTokenizer(applyRascalCategoryPatch.getValue());
-        var encoded = tokenizer.semanticTokensFull((ITree) tree).getData();
+        var encoded = tokenizer.semanticTokensFull((ITree) tree, useLegacyHighlighting.getValue()).getData();
 
         var values = IRascalValueFactory.getInstance();
         var tokens = new IValue[encoded.size() / 5];
diff --git a/rascal-lsp/src/main/rascal/lang/rascal/tests/semanticTokenizer/NestedCategories.rsc b/rascal-lsp/src/main/rascal/lang/rascal/tests/semanticTokenizer/NestedCategories.rsc
index e19be0a3..ad5cdc27 100644
--- a/rascal-lsp/src/main/rascal/lang/rascal/tests/semanticTokenizer/NestedCategories.rsc
+++ b/rascal-lsp/src/main/rascal/lang/rascal/tests/semanticTokenizer/NestedCategories.rsc
@@ -90,16 +90,7 @@ test bool testInterface() = testTokenizer(#Interface,
     // This test demonstrates that, sometimes, arguably the "natural" way to
     // write a grammar (e.g., "An interface name is just any class name, but
     // prefixed with an I") requires outer-over-inner semantic tokenization.
-    // The following test shows the effect of overriding the default from
-    // inner-over-outer to outer-over-inner. Further reading:
+    // This is currently not supported (i.e., the only "solution" right now is
+    // to rewrite the grammar). Further reading:
     // https://github.com/usethesource/rascal-language-servers/issues/456
 );
-
-test bool testInterfaceOuterOverInner() = testTokenizer(#InterfaceOuterOverInner,
-
-    "IFoo",
-
-    expectFirst("I", "interface"),
-    expectFirst("Foo", "interface"),
-    expectFirst("IFoo", "interface") // Outer over inner
-);
diff --git a/rascal-lsp/src/main/rascal/lang/rascal/tests/semanticTokenizer/Rascal.rsc b/rascal-lsp/src/main/rascal/lang/rascal/tests/semanticTokenizer/Rascal.rsc
index 59035711..41d994e3 100644
--- a/rascal-lsp/src/main/rascal/lang/rascal/tests/semanticTokenizer/Rascal.rsc
+++ b/rascal-lsp/src/main/rascal/lang/rascal/tests/semanticTokenizer/Rascal.rsc
@@ -124,5 +124,6 @@ test bool testInnerOverOuterLegacy() = testTokenizer(#Declaration,
     expectFirst("3", "uncategorized"), // Instead of `number`
     expectFirst("|unknown:///|", "uncategorized"), // Instead of `string`
 
-    applyRascalCategoryPatch = false // Use legacy mode instead of strict mode
+    useLegacyHighlighting = true,
+    applyRascalCategoryPatch = true
 );
diff --git a/rascal-lsp/src/main/rascal/lang/rascal/tests/semanticTokenizer/Util.rsc b/rascal-lsp/src/main/rascal/lang/rascal/tests/semanticTokenizer/Util.rsc
index ed9170c9..7eaf829f 100644
--- a/rascal-lsp/src/main/rascal/lang/rascal/tests/semanticTokenizer/Util.rsc
+++ b/rascal-lsp/src/main/rascal/lang/rascal/tests/semanticTokenizer/Util.rsc
@@ -34,11 +34,13 @@ import String;
 // This is the main utility function to test the semantic tokenizer. All other
 // functions in this module are auxiliary (and private).
 bool testTokenizer(type[&T<:Tree] begin, str input, Expect expects...,
-        bool printActuals = false, bool applyRascalCategoryPatch = false) {
+        bool printActuals = false,
+        bool useLegacyHighlighting = false,
+        bool applyRascalCategoryPatch = false) {
 
     // First, compute the tokens by calling the semantic tokenizer (in Java)
     Tree tree = parse(begin, input);
-    list[SemanticToken] tokens = toTokens(tree, applyRascalCategoryPatch);
+    list[SemanticToken] tokens = toTokens(tree, useLegacyHighlighting, applyRascalCategoryPatch);
 
     // Next, compute the absolute location of each token (i.e., the position of
     // each token in `tokens` is represented *relative to* its predecessor)
@@ -90,7 +92,7 @@ alias SemanticToken = tuple[
     str tokenModifier];
 
 @javaClass{org.rascalmpl.vscode.lsp.util.SemanticTokenizerTester}
-java list[SemanticToken] toTokens(Tree _, bool _);
+java list[SemanticToken] toTokens(Tree _, bool _, bool _);
 
 //
 // Length conversion: Characters are counted as 16-bit units in LSP, whereas