diff --git a/.ci/linux-cxx-install.sh b/.ci/linux-cxx-install.sh
index 7fd49b2212..ed08c13523 100755
--- a/.ci/linux-cxx-install.sh
+++ b/.ci/linux-cxx-install.sh
@@ -30,10 +30,10 @@ ${SUDO} apt-get ${APT_OPT} install software-properties-common
 if test "${OS_ISSUE}" = "Ubuntu" ; then
     ${SUDO} apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
 fi
-if test -n "${LLVM_OS}" ; then
-    wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-    ${SUDO} apt-add-repository "deb http://apt.llvm.org/${LLVM_OS}/ llvm-toolchain-${LLVM_OS}-${LLVM_VER} main"
-fi
+# if test -n "${LLVM_OS}" ; then
+#     wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
+#     ${SUDO} apt-add-repository "deb http://apt.llvm.org/${LLVM_OS}/ llvm-toolchain-${LLVM_OS}-${LLVM_VER} main"
+# fi
 echo ">>>>>"
 echo ">>>>> APT: UPDATE 2/2.."
 echo ">>>>>"