diff --git a/unittest/force-styles/tests/atomic-pair-reax_c.yaml b/unittest/force-styles/tests/atomic-pair-reax_c.yaml
index 630f3b1d17..22cc182b30 100644
--- a/unittest/force-styles/tests/atomic-pair-reax_c.yaml
+++ b/unittest/force-styles/tests/atomic-pair-reax_c.yaml
@@ -2,6 +2,7 @@
 lammps_version: 2 Jul 2021
 date_generated: Mon Jul 12 20:56:37 2021
 epsilon: 1e-11
+skip_tests: omp
 prerequisites: ! |
   pair reax/c
   fix qeq/reax
diff --git a/unittest/force-styles/tests/atomic-pair-reax_c_lgvdw.yaml b/unittest/force-styles/tests/atomic-pair-reax_c_lgvdw.yaml
index c67cffdbba..d91caa277c 100644
--- a/unittest/force-styles/tests/atomic-pair-reax_c_lgvdw.yaml
+++ b/unittest/force-styles/tests/atomic-pair-reax_c_lgvdw.yaml
@@ -2,6 +2,7 @@
 lammps_version: 2 Jul 2021
 date_generated: Mon Jul 12 20:56:38 2021
 epsilon: 1e-12
+skip_tests: omp
 prerequisites: ! |
   pair reax/c
   fix qeq/reax
diff --git a/unittest/force-styles/tests/atomic-pair-reax_c_noqeq.yaml b/unittest/force-styles/tests/atomic-pair-reax_c_noqeq.yaml
index 5927f854d6..9cfaaf4625 100644
--- a/unittest/force-styles/tests/atomic-pair-reax_c_noqeq.yaml
+++ b/unittest/force-styles/tests/atomic-pair-reax_c_noqeq.yaml
@@ -2,6 +2,7 @@
 lammps_version: 2 Jul 2021
 date_generated: Mon Jul 12 20:56:38 2021
 epsilon: 5e-13
+skip_tests: omp
 prerequisites: ! |
   pair reax/c
 pre_commands: ! |
diff --git a/unittest/force-styles/tests/atomic-pair-reax_c_tabulate.yaml b/unittest/force-styles/tests/atomic-pair-reax_c_tabulate.yaml
index 2434dfdcbc..8afebb059b 100644
--- a/unittest/force-styles/tests/atomic-pair-reax_c_tabulate.yaml
+++ b/unittest/force-styles/tests/atomic-pair-reax_c_tabulate.yaml
@@ -2,6 +2,7 @@
 lammps_version: 2 Jul 2021
 date_generated: Mon Jul 12 20:56:39 2021
 epsilon: 1e-12
+skip_tests: omp
 prerequisites: ! |
   pair reax/c
   fix qeq/reax