diff --git a/gitlab/before_build.sh b/gitlab/before_build.sh
index f472afc71b3879c85a9700c1f47db25be33c769a..0535c43cc57a8243bac49a4372822debedd221b3 100755
--- a/gitlab/before_build.sh
+++ b/gitlab/before_build.sh
@@ -21,7 +21,6 @@ if [ ! -d ${PREFIX} ]; then
   if [ "${ARCH}" == "macosx" ] && [ -e "${PREFIX}/lib/libjpeg.8.dylib" ]; then
     run_cmd install_name_tool -id @rpath/libjpeg.8.dylib ${PREFIX}/lib/libjpeg.8.dylib
   fi
-  run_cmd ${CONDA_FOLDER}/bin/conda clean --lock
 else
   log_warn "Prefix directory ${PREFIX} exists, not re-installing..."
 fi