diff --git a/ci/build_wheel.sh b/ci/build_wheel.sh
index e3f8a11..18b4ee3 100755
--- a/ci/build_wheel.sh
+++ b/ci/build_wheel.sh
@@ -6,7 +6,6 @@ set -euo pipefail
 package_dir="python/libucx"
 
 source rapids-configure-sccache
-source rapids-date-string
 
 python -m pip wheel "${package_dir}"/ -w "${package_dir}"/dist -v --no-deps --disable-pip-version-check