diff --git a/DatabaseImplement/Implements/RoleStorage.cs b/DatabaseImplement/Implements/RoleStorage.cs
index 976c5b7..4394a59 100644
--- a/DatabaseImplement/Implements/RoleStorage.cs
+++ b/DatabaseImplement/Implements/RoleStorage.cs
@@ -13,7 +13,7 @@ namespace DatabaseImplement.Implements
 	{
 		public RoleBindingModel? Delete(RoleSearchModel model)
 		{
-			if (model is null || model.Id is null)
+			if (model.Id is null)
 			{
 				return null;
 			}
@@ -32,7 +32,7 @@ namespace DatabaseImplement.Implements
 
 		public RoleBindingModel? GetElement(RoleSearchModel model)
 		{
-			if (model is null || model.Id is null)
+			if (model.Id is null)
 			{
 				return null;
 			}
@@ -60,10 +60,6 @@ namespace DatabaseImplement.Implements
 
 		public RoleBindingModel? Insert(RoleBindingModel model)
 		{
-			if (model is null)
-			{
-				return null;
-			}
 			var context = new Database();
 			var newRole = Models.Role.ToRoleFromBinding(model);
 
diff --git a/DatabaseImplement/Implements/UserStorage.cs b/DatabaseImplement/Implements/UserStorage.cs
index 7622895..59a8a2a 100644
--- a/DatabaseImplement/Implements/UserStorage.cs
+++ b/DatabaseImplement/Implements/UserStorage.cs
@@ -15,7 +15,7 @@ namespace DatabaseImplement.Implements
 	{
 		public UserBindingModel? Delete(UserSearchModel model)
 		{
-			if (model is null || (model.Id is null && model.Email is null))
+			if (model.Id is null && model.Email is null)
 			{
 				return null;
 			}
@@ -35,7 +35,7 @@ namespace DatabaseImplement.Implements
 
 		public UserBindingModel? GetElement(UserSearchModel model)
 		{
-			if (model is null || (model.Id is null && model.Email is null))
+			if (model.Id is null && model.Email is null)
 			{
 				return null;
 			}
@@ -67,10 +67,6 @@ namespace DatabaseImplement.Implements
 
 		public UserBindingModel? Insert(UserBindingModel model)
 		{
-			if (model is null)
-			{
-				return null;
-			}
 			var context = new Database();
 			var newUser = Models.User.ToUserFromBinding(model);