diff --git a/integration/schema-language-server/language-server/src/main/java/ai/vespa/schemals/schemadocument/SchemaDocument.java b/integration/schema-language-server/language-server/src/main/java/ai/vespa/schemals/schemadocument/SchemaDocument.java
index 641075faa181..878a72a0afa0 100644
--- a/integration/schema-language-server/language-server/src/main/java/ai/vespa/schemals/schemadocument/SchemaDocument.java
+++ b/integration/schema-language-server/language-server/src/main/java/ai/vespa/schemals/schemadocument/SchemaDocument.java
@@ -110,9 +110,9 @@ public void updateFileContent(String content) {
             this.CST = parsingResult.CST().get();
             lexer.setCST(CST);
 
-            logger.info("======== CST for file: " + fileURI + " ========");
+            //logger.info("======== CST for file: " + fileURI + " ========");
      
-            CSTUtils.printTree(logger, CST);
+            //CSTUtils.printTree(logger, CST);
         }
 
 
diff --git a/integration/schema-language-server/language-server/src/test/java/ai/vespa/schemals/SchemaParserTest.java b/integration/schema-language-server/language-server/src/test/java/ai/vespa/schemals/SchemaParserTest.java
index 63bb0de01b4f..cec99a4f07ea 100644
--- a/integration/schema-language-server/language-server/src/test/java/ai/vespa/schemals/SchemaParserTest.java
+++ b/integration/schema-language-server/language-server/src/test/java/ai/vespa/schemals/SchemaParserTest.java
@@ -337,6 +337,7 @@ Stream<DynamicTest> generateBadFileTests() {
             new BadFileTestCase("../../../config-model/src/test/examples/simple.sd", 5), // TODO: unused rank-profile functions should throw errors? Also rank-type doesntexist: ... in field?
 
             new BadFileTestCase("src/test/sdfiles/single/rankprofilefuncs.sd", 2),
+            new BadFileTestCase("src/test/sdfiles/single/onnxmodel.sd", 1),
         };
 
         return Arrays.stream(tests)
diff --git a/integration/schema-language-server/language-server/src/test/sdfiles/single/onnxmodel.sd b/integration/schema-language-server/language-server/src/test/sdfiles/single/onnxmodel.sd
new file mode 100644
index 000000000000..c25c84431b6f
--- /dev/null
+++ b/integration/schema-language-server/language-server/src/test/sdfiles/single/onnxmodel.sd
@@ -0,0 +1,26 @@
+schema onnxmodel {
+    document onnxmodel {
+    }
+
+    rank-profile profile {
+        first-phase {
+            expression: sum( onnxModel(mymodel).output_name )
+        }
+
+        second-phase {
+            expression: sum( onnx(noexist).nooutput ) # should give error
+        }
+
+        onnx-model mymodel {
+            file: files/something.onnx
+        }
+
+        function func_a() {
+            expression: sum(xgboost("xgboost.json"))
+        }
+
+        function func_b() {
+            expression: sum(lightbgm("/path/to/lightbgm-model.json"))
+        }
+    }
+}