diff --git a/Dockerfile b/Dockerfile
index 35db444..4d4dffc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -71,7 +71,6 @@ RUN wget --quiet --output-document=- "https://go.dev/dl/go${GO_VERSION}.linux-am
     && go version
 
 # Install GoNB (https://github.com/janpfeifer/gonb) in the user account
-ARG GONB_VERSION="v0.10.7"
 USER $NB_USER
 WORKDIR ${HOME}
 RUN go install golang.org/x/tools/cmd/goimports@latest && \