diff --git a/src/FsAutoComplete.Core/Utils.fs b/src/FsAutoComplete.Core/Utils.fs
index 22cdf57e3..f440172b2 100644
--- a/src/FsAutoComplete.Core/Utils.fs
+++ b/src/FsAutoComplete.Core/Utils.fs
@@ -239,11 +239,10 @@ module Async =
   /// <summary>Creates an asynchronous computation that executes all the given asynchronous computations, using 75% of the Environment.ProcessorCount</summary>
   /// <param name="computations">A sequence of distinct computations to be parallelized.</param>
   let parallel75 computations =
-    // let maxConcurrency =
-    //   Math.Max(1.0, Math.Floor((float System.Environment.ProcessorCount) * 0.75))
+    let maxConcurrency =
+      Math.Max(1.0, Math.Floor((float System.Environment.ProcessorCount) * 0.75))
 
-    // Async.Parallel(computations, int maxConcurrency)
-    Async.Parallel computations
+    Async.Parallel(computations, int maxConcurrency)
 
   [<RequireQualifiedAccess>]
   module Array =