diff --git a/extended/src/main/java/apoc/custom/CypherProceduresHandler.java b/extended/src/main/java/apoc/custom/CypherProceduresHandler.java
index 771835bd29..b53c9e599f 100644
--- a/extended/src/main/java/apoc/custom/CypherProceduresHandler.java
+++ b/extended/src/main/java/apoc/custom/CypherProceduresHandler.java
@@ -173,7 +173,6 @@ private ProcedureDescriptor procedureDescriptor(Node node) {
                 Mode.valueOf((String) node.getProperty(ExtendedSystemPropertyKeys.mode.name())),
                 false,
                 null,
-                new String[0],
                 description,
                 null,
                 false,
diff --git a/extended/src/main/java/apoc/custom/Signatures.java b/extended/src/main/java/apoc/custom/Signatures.java
index cc030d8735..1f1ed6c74f 100644
--- a/extended/src/main/java/apoc/custom/Signatures.java
+++ b/extended/src/main/java/apoc/custom/Signatures.java
@@ -7,6 +7,7 @@
 
 import java.lang.reflect.Constructor;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
@@ -85,11 +86,10 @@ public ProcedureSignature toProcedureSignature(SignatureParser.ProcedureContext
         List<FieldSignature> inputSignatures = signature.parameter().stream().map(p -> getInputField(name(p.name()), type(p.type()), defaultValue(p.defaultValue(), type(p.type())))).collect(Collectors.toList());
         boolean admin = false;
         String deprecated = "";
-        String[] allowed = new String[0];
         String warning = null; // "todo warning";
         boolean eager = false;
         boolean caseInsensitive = true;
-        return createProcedureSignature(name, inputSignatures, outputSignature, mode, admin, deprecated, allowed, description, warning, eager, caseInsensitive, false, false, false);
+        return createProcedureSignature(name, inputSignatures, outputSignature, mode, admin, deprecated, description, warning, eager, caseInsensitive, false, false, false);
     }
 
     public List<String> namespace(SignatureParser.NamespaceContext namespaceContext) {
@@ -237,7 +237,6 @@ public static ProcedureSignature createProcedureSignature(QualifiedName name,
                                                               Mode mode,
                                                               boolean admin,
                                                               String deprecated,
-                                                              String[] allowed,
                                                               String description,
                                                               String warning,
                                                               boolean eager,
@@ -253,56 +252,26 @@ public static ProcedureSignature createProcedureSignature(QualifiedName name,
             // in Neo4j 4.3 another boolean was added
             final Class<?> clazz = Class.forName("org.neo4j.internal.kernel.api.procs.ProcedureSignature");
             final Constructor<?>[] constructors = clazz.getConstructors();
-            for (int i = 0; i < constructors.length; i++) {
-                final Constructor<?> constructor = constructors[i];
-                switch (constructor.getParameterCount()) {
-                    case 14:
-                        return (ProcedureSignature) constructor.newInstance(name,
-                                inputSignature,
-                                outputSignature,
-                                mode,
-                                admin,
-                                deprecated,
-                                allowed,
-                                description,
-                                warning,
-                                eager,
-                                caseInsensitive,
-                                systemProcedure,
-                                internal,
-                                allowExpiredCredentials);
-                    case 13:
-                        return (ProcedureSignature) constructor.newInstance(name,
-                                inputSignature,
-                                outputSignature,
-                                mode,
-                                admin,
-                                deprecated,
-                                allowed,
-                                description,
-                                warning,
-                                eager,
-                                caseInsensitive,
-                                systemProcedure,
-                                internal);
-                    case 12:
-                        return (ProcedureSignature) constructor.newInstance(name,
-                                inputSignature,
-                                outputSignature,
-                                mode,
-                                admin,
-                                deprecated,
-                                allowed,
-                                description,
-                                warning,
-                                eager,
-                                caseInsensitive,
-                                systemProcedure);
-                }
+            for (Constructor c: constructors) {
+                System.out.println("c.getParameters() = " + Arrays.toString(c.getParameters()));
             }
-            throw new RuntimeException("Constructor of org.neo4j.internal.kernel.api.procs.ProcedureSignature not found");
         } catch (Exception e) {
-            throw new RuntimeException(e);
+            System.out.println("e = " + e);
         }
+        return null;
+
+//        return new ProcedureSignature(name,
+//                inputSignature,
+//                outputSignature,
+//                mode,
+//                admin,
+//                deprecated,
+//                description,
+//                warning,
+//                eager,
+//                caseInsensitive,
+//                systemProcedure,
+//                internal,
+//                allowExpiredCredentials);
     }
 }