diff --git a/src/tools/DevGenerators/EnumMemberDictionaryGenerator.cs b/src/tools/DevGenerators/EnumMemberDictionaryGenerator.cs
index 42612c7ce0..86dbb3a452 100644
--- a/src/tools/DevGenerators/EnumMemberDictionaryGenerator.cs
+++ b/src/tools/DevGenerators/EnumMemberDictionaryGenerator.cs
@@ -32,7 +32,7 @@ public class EnumMemberDictionaryGenerator : IIncrementalGenerator
             ).Collect();
         context.RegisterSourceOutput(all, static (context, methods) =>
         {
-            foreach (var typeGroup in methods.GroupBy(f => f.ContainingType))
+            foreach (var typeGroup in methods.GroupBy(f => f.ContainingType, SymbolEqualityComparer.Default))
             {
                 var classBuilder = new StringBuilder();
                 if (typeGroup.Key.ContainingNamespace != null)
@@ -91,4 +91,4 @@ public class EnumMemberDictionaryGenerator : IIncrementalGenerator
         
     }
 
-}
\ No newline at end of file
+}
diff --git a/src/tools/DevGenerators/GetProcAddressInitialization.cs b/src/tools/DevGenerators/GetProcAddressInitialization.cs
index 64698d1f2e..c7d03a9b50 100644
--- a/src/tools/DevGenerators/GetProcAddressInitialization.cs
+++ b/src/tools/DevGenerators/GetProcAddressInitialization.cs
@@ -34,7 +34,7 @@ public class GetProcAddressInitializationGenerator : IIncrementalGenerator
         var all = fieldsWithAttribute.Collect();
         context.RegisterSourceOutput(all, static (context, methods) =>
         {
-            foreach (var typeGroup in methods.GroupBy(f => f.ContainingType))
+            foreach (var typeGroup in methods.GroupBy(f => f.ContainingType, SymbolEqualityComparer.Default))
             {
                 var nextContext = 0;
                 var contexts = new Dictionary<string, int>();
@@ -335,4 +335,4 @@ public class GetProcAddressInitializationGenerator : IIncrementalGenerator
         return name.ToString();
     }
 
-}
\ No newline at end of file
+}