diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 44ebfc43e..ce8ec39bf 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -68,7 +68,7 @@ jobs:
           CXX: clang++
           CXXFLAGS: "-fno-omit-frame-pointer -fsanitize=undefined -fsanitize=address"
           ASAN_OPTIONS: check_initialization_order=1:detect_stack_use_after_return=1:detect_leaks=1
-          UBSAN_OPTIONS: print_stacktrace=1:report_error_type=1:suppressions=$TRAVIS_BUILD_DIR/build_tools/ubsan.blacklist
+          UBSAN_OPTIONS: print_stacktrace=1:report_error_type=1
       run: |
         mkdir build && cd build
         cmake ..
diff --git a/build_tools/ubsan.blacklist b/build_tools/ubsan.blacklist
deleted file mode 100644
index 62f1317dd..000000000
--- a/build_tools/ubsan.blacklist
+++ /dev/null
@@ -1,3 +0,0 @@
-# Ubuntu Xenial (used for Travis CI builds) ships libstdc++ 5.4.0 which contains undefined behaviour
-# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63345
-object-size:*bits/stl_tree.h