diff --git a/X10D/src/Core/SpanExtensions.cs b/X10D/src/Core/SpanExtensions.cs
index c1f2a1e..ab79a16 100644
--- a/X10D/src/Core/SpanExtensions.cs
+++ b/X10D/src/Core/SpanExtensions.cs
@@ -92,14 +92,12 @@ public static class SpanExtensions
                 }
 
             // dotcover disable
-            //NOSONAR
             default:
 #if NET7_0_OR_GREATER
                 throw new UnreachableException(string.Format(ExceptionMessages.EnumSizeIsUnexpected, Unsafe.SizeOf<T>()));
 #else
                 throw new ArgumentException(string.Format(ExceptionMessages.EnumSizeIsUnexpected, Unsafe.SizeOf<T>()));
 #endif
-            //NOSONAR
             // dotcover enable
         }
     }
diff --git a/X10D/src/Text/RuneExtensions.cs b/X10D/src/Text/RuneExtensions.cs
index 47349b1..c1f3ef9 100644
--- a/X10D/src/Text/RuneExtensions.cs
+++ b/X10D/src/Text/RuneExtensions.cs
@@ -98,7 +98,6 @@ public static class RuneExtensions
                 }
 
             // dotcover disable
-            //NOSONAR
             default:
                 string exceptionFormat = ExceptionMessages.UnexpectedRuneUtf8SequenceLength;
                 string message = string.Format(CultureInfo.CurrentCulture, exceptionFormat, length);
@@ -107,7 +106,6 @@ public static class RuneExtensions
 #else
                 throw new InvalidOperationException(message);
 #endif
-            //NOSONAR
             // dotcover enable
         }
     }