diff --git a/src/Chapter04/Table04.04.CheckForNull.cs b/src/Chapter04/Table04.04.CheckForNull.cs
index 2115f046e..891012573 100644
--- a/src/Chapter04/Table04.04.CheckForNull.cs
+++ b/src/Chapter04/Table04.04.CheckForNull.cs
@@ -46,6 +46,7 @@ public static void EqualityInEqualityCheckForNull(string? uri = null)
             }
 
         }
+#pragma warning disable IDE0150 // Prefer 'null' check over type check
         public static void IsObject(string? uri = null!)
         {
             // 4.
@@ -66,6 +67,7 @@ public static void IsObject(string? uri = null!)
                     "Uri is null");
             }
         }
+#pragma warning restore IDE0150 // Prefer 'null' check over type check
         public static void IsPatternMatching(string? uri = null!)
         {
             // 5.
@@ -80,6 +82,7 @@ public static void IsPatternMatching(string? uri = null!)
                     "Uri is null");
             }
         }
+#pragma warning disable IDE0041 // Use 'is null' check
         public static void ReferenceEqualsCheckForNotNull(string? uri = null)
         {
             // 6.
@@ -95,5 +98,6 @@ public static void ReferenceEqualsCheckForNotNull(string? uri = null)
                     $"Uri is: {uri}");
             }
         }
+#pragma warning restore IDE0041 // Use 'is null' check
     }
 }
diff --git a/src/Chapter06/Listing06.58.DefiningAPartialMethodToAccessItsImplementation.cs b/src/Chapter06/Listing06.58.DefiningAPartialMethodToAccessItsImplementation.cs
index 721226684..a201e3f15 100644
--- a/src/Chapter06/Listing06.58.DefiningAPartialMethodToAccessItsImplementation.cs
+++ b/src/Chapter06/Listing06.58.DefiningAPartialMethodToAccessItsImplementation.cs
@@ -25,7 +25,7 @@ public string LastName
             }
             set
             {
-                if ((_LastName != value))
+                if (_LastName != value)
                 {
                     #region HIGHLIGHT
                     OnLastNameChanging(value);