diff --git a/Il2CppInspector.Common/Model/AppModel.cs b/Il2CppInspector.Common/Model/AppModel.cs
index dc70fe9..93e1efe 100644
--- a/Il2CppInspector.Common/Model/AppModel.cs
+++ b/Il2CppInspector.Common/Model/AppModel.cs
@@ -255,11 +255,12 @@ namespace Il2CppInspector.Model
             // Find unused concrete value types
             var usedTypes = Types.Values.Select(t => t.Type);
             var unusedTypes = TypeModel.Types.Except(usedTypes);
-            var unusedValueTypes = unusedTypes.Where(t => t.IsValueType && !t.IsGenericType && !t.IsGenericParameter);
+            var unusedConcreteTypes = unusedTypes.Where(t => !t.IsGenericType && !t.IsGenericParameter
+                                                && !t.IsByRef && !t.IsPointer && !t.IsArray && !t.IsAbstract && t.Name != "<Module>");
 
-            Group = "unused_value_types";
+            Group = "unused_concrete_types";
 
-            foreach (var type in unusedValueTypes)
+            foreach (var type in unusedConcreteTypes)
                 declarationGenerator.IncludeType(type);
             AddTypes(declarationGenerator.GenerateRemainingTypeDeclarations());
 
diff --git a/Il2CppInspector.Common/Outputs/CppScaffolding.cs b/Il2CppInspector.Common/Outputs/CppScaffolding.cs
index 34b1c58..5270977 100644
--- a/Il2CppInspector.Common/Outputs/CppScaffolding.cs
+++ b/Il2CppInspector.Common/Outputs/CppScaffolding.cs
@@ -81,7 +81,7 @@ typedef size_t uintptr_t;
             writeTypesForGroup("Application types from method calls", "types_from_methods");
             writeTypesForGroup("Application types from generic methods", "types_from_generic_methods");
             writeTypesForGroup("Application types from usages", "types_from_usages");
-            writeTypesForGroup("Application unused value types", "unused_value_types");
+            writeTypesForGroup("Application unused value types", "unused_concrete_types");
 
             writeCode("#if !defined(_GHIDRA_) && !defined(_IDA_)");
             writeCode("}");