1 files changed, 1 insertions, 1 deletions
diff --git a/src/System.Private.CoreLib/src/System/Collections/Generic/CompatibilityEqualityComparers.cs b/src/System.Private.CoreLib/src/System/Collections/Generic/CompatibilityEqualityComparers.cs
index 33aef24b9..c22edd601 100644
--- a/src/System.Private.CoreLib/src/System/Collections/Generic/CompatibilityEqualityComparers.cs
+++ b/src/System.Private.CoreLib/src/System/Collections/Generic/CompatibilityEqualityComparers.cs
@@ -24,7 +24,7 @@ namespace System.Collections.Generic
         }
 
         // Equals method for the comparer itself.
-        public override bool Equals(Object obj) => obj != null && GetType() == obj.GetType();
+        public override bool Equals(object obj) => obj != null && GetType() == obj.GetType();
 
         public override int GetHashCode() => GetType().GetHashCode();
     }