diff --git a/src/libraries/System.Runtime.InteropServices/gen/ComInterfaceGenerator/ComInterfaceGenerator.cs b/src/libraries/System.Runtime.InteropServices/gen/ComInterfaceGenerator/ComInterfaceGenerator.cs
index dd04872d97b4a6..d3c5c631bb0b5f 100644
--- a/src/libraries/System.Runtime.InteropServices/gen/ComInterfaceGenerator/ComInterfaceGenerator.cs
+++ b/src/libraries/System.Runtime.InteropServices/gen/ComInterfaceGenerator/ComInterfaceGenerator.cs
@@ -637,24 +637,15 @@ private static ClassDeclarationSyntax GenerateInterfaceInformation(ComInterfaceI
 
             static ExpressionSyntax CreateEmbeddedDataBlobCreationStatement(ReadOnlySpan<byte> bytes)
             {
-                var literals = new LiteralExpressionSyntax[bytes.Length];
+                var literals = new CollectionElementSyntax[bytes.Length];
 
                 for (int i = 0; i < bytes.Length; i++)
                 {
-                    literals[i] = LiteralExpression(SyntaxKind.NumericLiteralExpression, Literal(bytes[i]));
+                    literals[i] = ExpressionElement(LiteralExpression(SyntaxKind.NumericLiteralExpression, Literal(bytes[i])));
                 }
 
-                // new System.ReadOnlySpan<byte>(new[] { <byte literals> } )
-                return ObjectCreationExpression(
-                    GenericName(TypeNames.System_ReadOnlySpan)
-                        .AddTypeArgumentListArguments(PredefinedType(Token(SyntaxKind.ByteKeyword))))
-                    .AddArgumentListArguments(
-                        Argument(
-                            ArrayCreationExpression(
-                                    ArrayType(PredefinedType(Token(SyntaxKind.ByteKeyword)), SingletonList(ArrayRankSpecifier())),
-                                    InitializerExpression(
-                                        SyntaxKind.ArrayInitializerExpression,
-                                        SeparatedList<ExpressionSyntax>(literals)))));
+                // [ <byte literals> ]
+                return CollectionExpression(SeparatedList(literals));
             }
         }
     }