diff --git a/src/Compiler/FSharp.Compiler.Service.fsproj b/src/Compiler/FSharp.Compiler.Service.fsproj
index 60820dc2b69..700858fb265 100644
--- a/src/Compiler/FSharp.Compiler.Service.fsproj
+++ b/src/Compiler/FSharp.Compiler.Service.fsproj
@@ -234,7 +234,7 @@
       <Link>SyntaxTree\lex.fsl</Link>
     </FsLex>
     <FsYacc Include="pars.fsy">
-      <OtherFlags>-v --module FSharp.Compiler.Parser --open FSharp.Compiler --open FSharp.Compiler.Syntax --open FSharp.Compiler.Text --internal --lexlib Internal.Utilities.Text.Lexing --parslib Internal.Utilities.Text.Parsing --buffer-type-argument char</OtherFlags>
+      <OtherFlags>--module FSharp.Compiler.Parser --open FSharp.Compiler --open FSharp.Compiler.Syntax --open FSharp.Compiler.Text --internal --lexlib Internal.Utilities.Text.Lexing --parslib Internal.Utilities.Text.Parsing --buffer-type-argument char</OtherFlags>
       <Link>SyntaxTree\pars.fsy</Link>
     </FsYacc>
     <None Include="pplex.fsl">