diff --git a/src/Razor/Microsoft.AspNetCore.Razor.Language/src/DefaultRazorIntermediateNodeLoweringPhase.cs b/src/Razor/Microsoft.AspNetCore.Razor.Language/src/DefaultRazorIntermediateNodeLoweringPhase.cs
index 84f4d12f8f..290b9d3bd9 100644
--- a/src/Razor/Microsoft.AspNetCore.Razor.Language/src/DefaultRazorIntermediateNodeLoweringPhase.cs
+++ b/src/Razor/Microsoft.AspNetCore.Razor.Language/src/DefaultRazorIntermediateNodeLoweringPhase.cs
@@ -1331,6 +1331,11 @@ namespace Microsoft.AspNetCore.Razor.Language
                 });
             }
 
+            public override void VisitMarkupCommentBlock(MarkupCommentBlockSyntax node)
+            {
+                // Comments are ignored by components. We skip over anything that appears inside.
+            }
+
             public override void VisitCSharpTemplateBlock(CSharpTemplateBlockSyntax node)
             {
                 var templateNode = new TemplateIntermediateNode();