diff --git a/.globalconfig b/.globalconfig
index 32bea9725fd..380436704c5 100644
--- a/.globalconfig
+++ b/.globalconfig
@@ -848,7 +848,7 @@ dotnet_diagnostic.IDE0039.severity = silent
 dotnet_diagnostic.IDE0040.severity = warning
 
 # IDE0041: UseIsNullCheck
-dotnet_diagnostic.IDE0041.severity = silent
+dotnet_diagnostic.IDE0041.severity = warning
 
 # IDE0042: UseDeconstruction
 dotnet_diagnostic.IDE0042.severity = silent
diff --git a/src/System.Management.Automation/engine/MshMemberInfo.cs b/src/System.Management.Automation/engine/MshMemberInfo.cs
index 50d036a1bdd..88379f261d2 100644
--- a/src/System.Management.Automation/engine/MshMemberInfo.cs
+++ b/src/System.Management.Automation/engine/MshMemberInfo.cs
@@ -1971,7 +1971,7 @@ public bool Equals(PSMethodInvocationConstraints other)
 
         public override bool Equals(object obj)
         {
-            if (ReferenceEquals(null, obj))
+            if (obj is null)
             {
                 return false;
             }
diff --git a/src/System.Management.Automation/engine/PSVersionInfo.cs b/src/System.Management.Automation/engine/PSVersionInfo.cs
index 529374a58db..289f105987e 100644
--- a/src/System.Management.Automation/engine/PSVersionInfo.cs
+++ b/src/System.Management.Automation/engine/PSVersionInfo.cs
@@ -859,7 +859,7 @@ public int CompareTo(object version)
         /// </summary>
         public int CompareTo(SemanticVersion value)
         {
-            if ((object)value == null)
+            if (value is null)
                 return 1;
 
             if (Major != value.Major)