diff --git a/tests/FlatBuffers.Test/clean.sh b/tests/FlatBuffers.Test/clean.sh
new file mode 100755
index 0000000..41f6a4a
--- /dev/null
+++ b/tests/FlatBuffers.Test/clean.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# Remove files and directory that are needed to build and run the .NET tests.
+# The script NetTest.sh installs these as needed.
+
+[ -d .dotnet_tmp ] && rm -rf .dotnet_tmp
+[ -d packages ] && rm -rf packages
+[ -d .tmp ] && rm -rf .tmp
+[ -f nuget.exe ] && rm nuget.exe
+[ -f dotnet-intall.sh ] && rm dotnet-install.sh