diff --git a/build.sh b/build.sh
index b8d76be5f..5c5d8f7b5 100755
--- a/build.sh
+++ b/build.sh
@@ -261,10 +261,8 @@ PackageTests()
 
     if [ $runtime = "dotnet" ] ; then
         $nuget install NUnit.ConsoleRunner -Version 3.7.0 -Output $testPackageFolder
-        $nuget install OpenCover -Version 4.7.922 -Output $testPackageFolder
     else
         mono $nuget install NUnit.ConsoleRunner -Version 3.7.0 -Output $testPackageFolder
-        mono $nuget install OpenCover -Version 4.7.922 -Output $testPackageFolder
     fi
 
     cp $outputFolder/*.dll $testPackageFolder