diff --git a/Sources/EFLol/MyDbContext.cs b/Sources/EFLol/MyDbContext.cs
index a339870..55f4036 100644
--- a/Sources/EFLol/MyDbContext.cs
+++ b/Sources/EFLol/MyDbContext.cs
@@ -37,7 +37,6 @@ namespace EFLol
 
 
             modelBuilder.Entity<RunePageEntity>().Property(s => s.Id).ValueGeneratedOnAdd();
-            modelBuilder.Entity<RunePageEntity>().HasKey(sc => new { sc.StudentId, sc.CourseId });
             modelBuilder.Entity<RuneEntity>().Property(s => s.Id).ValueGeneratedOnAdd();
         }
     }