diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1b1bccb0f23c4b1a342ed7f158c4c2fc9501de23..718901e2529fa921e065cbc5f44ef23972e3594a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,9 +54,6 @@ jobs:
                 grep -v symengine .test-conda-env-py3.yml > .test-conda-env.yml
                 CONDA_ENVIRONMENT=.test-conda-env.yml
 
-                # https://gitlab.tiker.net/inducer/pytential/-/issues/146
-                echo "- _openmp_mutex=*=*gnu*" >> $CONDA_ENVIRONMENT
-
                 export PYTEST_ADDOPTS=${PYTEST_ADDOPTS:--k-slowtest}
 
                 curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/build-and-test-py-project-within-miniconda.sh
@@ -89,9 +86,6 @@ jobs:
             run: |
                 CONDA_ENVIRONMENT=.test-conda-env-py3.yml
 
-                # https://gitlab.tiker.net/inducer/pytential/-/issues/146
-                echo "- _openmp_mutex=*=*gnu*" >> $CONDA_ENVIRONMENT
-
                 export PYTEST_ADDOPTS=${PYTEST_ADDOPTS:--k-slowtest}
 
                 curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/build-and-test-py-project-within-miniconda.sh
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cf9a7713fa8ea2f82a33eba781a66e8647c3c5ac..439c999442f535d0bbe967c46ca424247db50d01 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -62,9 +62,6 @@ Python 3 Conda:
   - export CONDA_ENVIRONMENT=.test-conda-env-py3.yml
   - export PYTEST_ADDOPTS=${PYTEST_ADDOPTS:--k-slowtest}
 
-  # https://gitlab.tiker.net/inducer/pytential/-/issues/146
-  - echo "- _openmp_mutex=*=*gnu*" >> $CONDA_ENVIRONMENT
-
   - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/build-and-test-py-project-within-miniconda.sh
   - ". ./build-and-test-py-project-within-miniconda.sh"
   tags: