diff --git a/contrib/test.sh b/contrib/test.sh
index f44735c..a63e748 100755
--- a/contrib/test.sh
+++ b/contrib/test.sh
@@ -7,12 +7,6 @@ FEATURES="serde rand all-languages"
 cargo --version
 rustc --version
 
-# Work out if we are using a nightly toolchain.
-NIGHTLY=false
-if cargo --version | grep nightly; then
-    NIGHTLY=true
-fi
-
 # Pin dependencies as required if we are using MSRV toolchain.
 # if cargo --version | grep "1\.41"; then
 # fi