diff --git a/source/ecs/attributes.d b/source/ecs/attributes.d
index 3a5ec95..cb49933 100644
--- a/source/ecs/attributes.d
+++ b/source/ecs/attributes.d
@@ -2,7 +2,7 @@ module ecs.attributes;
 
 ///Used to mark optional components for system.
 enum optional = "optional";
-///Used to mark components excluded from update for system. Enum 'ExcludedComponents' should be used instead of it.
-enum excluded = "excluded";
+//Used to mark components excluded from update for system. Enum 'ExcludedComponents' should be used instead of it.
+//enum excluded = "excluded";
 ///Used to mark readonly components for system. "const" can be used insted.
 enum readonly = "readonly";
\ No newline at end of file
diff --git a/source/ecs/manager.d b/source/ecs/manager.d
index 6925aa9..42799aa 100644
--- a/source/ecs/manager.d
+++ b/source/ecs/manager.d
@@ -349,16 +349,16 @@ class EntityManager
 
         }
 
-        bool checkExcludedComponentsSomething(Sys)()
-        {
-            return __traits(compiles, allSameType!(string, typeof(Sys.ExcludedComponents))) && allSameType!(string,
-                    typeof(Sys.ExcludedComponents)) && isExpressions!(Sys.ExcludedComponents);
-        }
-
         static ComponentsIndices getComponentsInfo()
         {
             ComponentsIndices components_info;
 
+            bool checkExcludedComponentsSomething(Sys)()
+            {
+                return __traits(compiles, allSameType!(string, typeof(Sys.ExcludedComponents))) && allSameType!(string,
+                        typeof(Sys.ExcludedComponents)) && isExpressions!(Sys.ExcludedComponents);
+            }
+
             foreach (member; __traits(allMembers, Sys.EntitiesData))
             {
                 alias MemberType = typeof(__traits(getMember, Sys.EntitiesData, member));
@@ -375,7 +375,7 @@ class EntityManager
                 }
 
                 bool is_optional;
-                bool is_excluded;
+                //bool is_excluded;
                 bool is_read_only;
 
                 if (is(CopyConstness!(ForeachType!(MemberType), int) == const(int)))
@@ -389,10 +389,10 @@ class EntityManager
                     {
                         is_optional = true;
                     }
-                    else if (att == "excluded")
+                    /*else if (att == "excluded")
                     {
                         is_excluded = true;
-                    }
+                    }*/
                     if (att == "readonly")
                     {
                         is_read_only = true;
@@ -406,10 +406,10 @@ class EntityManager
                 {
                     components_info.mutable ~= CompInfo(member,name);
                 }
-                if (is_excluded)
+                /*if (is_excluded)
                 {
                     components_info.excluded ~= CompInfo(member,name);
-                }
+                }*/
                 if (is_optional)
                 {
                     components_info.optional ~= CompInfo(member,name);
@@ -418,13 +418,13 @@ class EntityManager
                 {
                     components_info.readonly ~= CompInfo(member,name);
                 }
-                if (is_excluded == false && is_optional == false)
+                if (/*is_excluded == false &&*/ is_optional == false)
                 { //is Req
                     components_info.req ~= CompInfo(member,name);
                 }
 
-                assert(!(is_optional && is_excluded),
-                        "EntitiesData member can't have both \"@optional\" and \"@excluded\".");
+                /*assert(!(is_optional && is_excluded),
+                        "EntitiesData member can't have both \"@optional\" and \"@excluded\".");*/
 
             }
 
@@ -432,21 +432,16 @@ class EntityManager
             {
                 static if (is(Sys.ExcludedComponents == enum))
                 {
-                    foreach (str; Fields!(Sys.ExcludedComponents))
+                    foreach (str; __traits(allMembers, Sys.ExcludedComponents))
                     {
-                        ComponentInfo info;
-                        info.is_excluded = true;
-                        info.name = str.stringof;
+						components_info.excluded ~= CompInfo(str,str);
                     }
                 }
                 else static if (checkExcludedComponentsSomething!Sys)
                 {
                     foreach (str; Sys.ExcludedComponents)
                     {
-                        ComponentInfo info;
-                        info.is_excluded = true;
-                        info.name = str;
-
+						components_info.excluded ~= CompInfo(str,str);
                     }
 
                 }
diff --git a/tests/tests.d b/tests/tests.d
index bf6fd53..db85ba7 100644
--- a/tests/tests.d
+++ b/tests/tests.d
@@ -344,14 +344,14 @@ struct TestSystem2
 {
 	mixin ECS.System!16; //__gshared ushort system_id;
 
-	/*enum ExcludedComponents0
+	/*enum ExcludedComponents
 	{
 		TestComp,
 		TestComp4
-	}
-
-	alias ExcludedComponents = AliasSeq!("TestComp", "TestComp4");
+	}*/
 
+	//alias ExcludedComponents = AliasSeq!("TestComp", "TestComp4");
+/*
 	string ExcludedComponents2;*/
 
 	static struct EntitiesData