diff --git a/pkgs/top-level/dotnet-packages.nix b/pkgs/top-level/dotnet-packages.nix
index d62ebf95184..0e32d554fc3 100644
--- a/pkgs/top-level/dotnet-packages.nix
+++ b/pkgs/top-level/dotnet-packages.nix
@@ -154,6 +154,9 @@ let self = dotnetPackages // overrides; dotnetPackages = with self; {
 
     postFixup = ''
         ln -s "$out/bin/BoogieDriver" "$out/bin/boogie"
+        rm -f "$out/bin"/System.* "$out/bin"/Microsoft.*
+        rm -f "$out/bin"/NUnit3.*
+        rm -f "$out/bin"/*Tests
     '';
 
     meta = with lib; {