diff --git a/.travis.yml b/.travis.yml
index 9af6ce1..5c4e96b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -257,7 +257,7 @@ matrix:
     - os: linux
       dist: bionic
       compiler: clang++-libc++
-      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-libc++ CXXSTD=11,14,17,2a UBSAN_OPTIONS=print_stacktrace=1
+      env: TOOLSET=clang COMPILER=clang++-libc++ CXXSTD=11,14,17,2a
       addons:
         apt:
           packages: