diff --git a/.travis.yml b/.travis.yml
index edec60afba..108a4c968d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -101,9 +101,7 @@ jobs:
 
     - stage: test
       name: 'x86_64 Linux  [GOAL: install]  [focal]  [depends, sanitizers: thread (TSan), no gui]'
-      # Not enough memory on travis machines, so feature_block is excluded for now
       env: >-
-        TEST_RUNNER_EXTRA="--exclude feature_block"
         FILE_ENV="./ci/test/00_setup_env_native_tsan.sh"
 
     - stage: test
diff --git a/ci/test/00_setup_env_native_tsan.sh b/ci/test/00_setup_env_native_tsan.sh
index ada7a65b8f..c4fe0eff2f 100644
--- a/ci/test/00_setup_env_native_tsan.sh
+++ b/ci/test/00_setup_env_native_tsan.sh
@@ -10,6 +10,6 @@ export CONTAINER_NAME=ci_native_tsan
 export DOCKER_NAME_TAG=ubuntu:20.04
 export PACKAGES="clang llvm libc++abi-dev libc++-dev python3-zmq"
 export DEP_OPTS="CC=clang CXX='clang++ -stdlib=libc++'"
-export TEST_RUNNER_EXTRA="--timeout-factor=4"  # Increase timeout because sanitizers slow down
+export TEST_RUNNER_EXTRA="--exclude feature_block --timeout-factor=4"  # Increase timeout because sanitizers slow down. Low memory on Travis machines, exclude feature_block.
 export GOAL="install"
 export BITCOIN_CONFIG="--enable-zmq --with-gui=no CPPFLAGS='-DARENA_DEBUG -DDEBUG_LOCKORDER' --with-sanitizers=thread CC=clang CXX='clang++ -stdlib=libc++'"