4 files changed, 2 insertions, 18 deletions
diff --git a/modules/mono/csharp_script.cpp b/modules/mono/csharp_script.cpp
index 10bc3dcb49..43cdd19411 100644
--- a/modules/mono/csharp_script.cpp
+++ b/modules/mono/csharp_script.cpp
@@ -3373,12 +3373,8 @@ MultiplayerAPI::RPCMode CSharpScript::_member_get_rpc_mode(IMonoClassMember *p_m
 		return MultiplayerAPI::RPC_MODE_MASTER;
 	if (p_member->has_attribute(CACHED_CLASS(PuppetAttribute)))
 		return MultiplayerAPI::RPC_MODE_PUPPET;
-	if (p_member->has_attribute(CACHED_CLASS(SlaveAttribute)))
-		return MultiplayerAPI::RPC_MODE_PUPPET;
 	if (p_member->has_attribute(CACHED_CLASS(RemoteSyncAttribute)))
 		return MultiplayerAPI::RPC_MODE_REMOTESYNC;
-	if (p_member->has_attribute(CACHED_CLASS(SyncAttribute)))
-		return MultiplayerAPI::RPC_MODE_REMOTESYNC;
 	if (p_member->has_attribute(CACHED_CLASS(MasterSyncAttribute)))
 		return MultiplayerAPI::RPC_MODE_MASTERSYNC;
 	if (p_member->has_attribute(CACHED_CLASS(PuppetSyncAttribute)))
diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Attributes/RPCAttributes.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Attributes/RPCAttributes.cs
index 1bf6d5199a..8fc430b6bc 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/Core/Attributes/RPCAttributes.cs
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Attributes/RPCAttributes.cs
@@ -6,18 +6,12 @@ namespace Godot
     public class RemoteAttribute : Attribute {}
 
     [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field | AttributeTargets.Property)]
-    public class SyncAttribute : Attribute {}
-
-    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field | AttributeTargets.Property)]
     public class MasterAttribute : Attribute {}
 
     [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field | AttributeTargets.Property)]
     public class PuppetAttribute : Attribute {}
 
     [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field | AttributeTargets.Property)]
-    public class SlaveAttribute : Attribute {}
-
-    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field | AttributeTargets.Property)]
     public class RemoteSyncAttribute : Attribute {}
 
     [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field | AttributeTargets.Property)]
diff --git a/modules/mono/mono_gd/gd_mono_cache.cpp b/modules/mono/mono_gd/gd_mono_cache.cpp
index f1f6524cd2..0ad90a510e 100644
--- a/modules/mono/mono_gd/gd_mono_cache.cpp
+++ b/modules/mono/mono_gd/gd_mono_cache.cpp
@@ -136,10 +136,8 @@ void CachedData::clear_godot_api_cache() {
 	class_SignalAttribute = NULL;
 	class_ToolAttribute = NULL;
 	class_RemoteAttribute = NULL;
-	class_SyncAttribute = NULL;
 	class_MasterAttribute = NULL;
 	class_PuppetAttribute = NULL;
-	class_SlaveAttribute = NULL;
 	class_RemoteSyncAttribute = NULL;
 	class_MasterSyncAttribute = NULL;
 	class_PuppetSyncAttribute = NULL;
@@ -254,10 +252,8 @@ void update_godot_api_cache() {
 	CACHE_CLASS_AND_CHECK(SignalAttribute, GODOT_API_CLASS(SignalAttribute));
 	CACHE_CLASS_AND_CHECK(ToolAttribute, GODOT_API_CLASS(ToolAttribute));
 	CACHE_CLASS_AND_CHECK(RemoteAttribute, GODOT_API_CLASS(RemoteAttribute));
-	CACHE_CLASS_AND_CHECK(SyncAttribute, GODOT_API_CLASS(SyncAttribute));
 	CACHE_CLASS_AND_CHECK(MasterAttribute, GODOT_API_CLASS(MasterAttribute));
 	CACHE_CLASS_AND_CHECK(PuppetAttribute, GODOT_API_CLASS(PuppetAttribute));
-	CACHE_CLASS_AND_CHECK(SlaveAttribute, GODOT_API_CLASS(SlaveAttribute));
 	CACHE_CLASS_AND_CHECK(RemoteSyncAttribute, GODOT_API_CLASS(RemoteSyncAttribute));
 	CACHE_CLASS_AND_CHECK(MasterSyncAttribute, GODOT_API_CLASS(MasterSyncAttribute));
 	CACHE_CLASS_AND_CHECK(PuppetSyncAttribute, GODOT_API_CLASS(PuppetSyncAttribute));
diff --git a/modules/mono/mono_gd/gd_mono_cache.h b/modules/mono/mono_gd/gd_mono_cache.h
index 1dc6b70479..0458e91240 100644
--- a/modules/mono/mono_gd/gd_mono_cache.h
+++ b/modules/mono/mono_gd/gd_mono_cache.h
@@ -106,13 +106,11 @@ struct CachedData {
 	GDMonoClass *class_SignalAttribute;
 	GDMonoClass *class_ToolAttribute;
 	GDMonoClass *class_RemoteAttribute;
-	GDMonoClass *class_SyncAttribute;
+	GDMonoClass *class_MasterAttribute;
+	GDMonoClass *class_PuppetAttribute;
 	GDMonoClass *class_RemoteSyncAttribute;
 	GDMonoClass *class_MasterSyncAttribute;
 	GDMonoClass *class_PuppetSyncAttribute;
-	GDMonoClass *class_MasterAttribute;
-	GDMonoClass *class_PuppetAttribute;
-	GDMonoClass *class_SlaveAttribute;
 	GDMonoClass *class_GodotMethodAttribute;
 	GDMonoField *field_GodotMethodAttribute_methodName;