diff --git a/unittest/force-styles/tests/atomic-pair-reax_c.yaml b/unittest/force-styles/tests/atomic-pair-reax_c.yaml
index 9eaad2a949..c4d41a2f2a 100644
--- a/unittest/force-styles/tests/atomic-pair-reax_c.yaml
+++ b/unittest/force-styles/tests/atomic-pair-reax_c.yaml
@@ -3,8 +3,8 @@ lammps_version: 2 Jul 2021
 date_generated: Wed Jul 21 15:49:45 2021
 epsilon: 1e-11
 prerequisites: ! |
-  pair reax/c
-  fix qeq/reax
+  pair reaxff
+  fix qeq/reaxff
 pre_commands: ! |
   echo screen
   variable newton_pair delete
@@ -27,9 +27,9 @@ pre_commands: ! |
   set type 3 charge -0.01
   velocity all create 100 4534624 loop geom
 post_commands: ! |
-  fix qeq all qeq/reax 1 0.0 8.0 1.0e-20 reax/c
+  fix qeq all qeq/reaxff 1 0.0 8.0 1.0e-20 reaxff
 input_file: in.empty
-pair_style: reax/c NULL checkqeq yes
+pair_style: reaxff NULL checkqeq yes
 pair_coeff: ! |
   * * ffield.reax.mattsson H C O
 extract: ! ""
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 59cb7b5261..c766c242f9 100644
--- a/unittest/force-styles/tests/atomic-pair-reax_c_lgvdw.yaml
+++ b/unittest/force-styles/tests/atomic-pair-reax_c_lgvdw.yaml
@@ -3,8 +3,8 @@ lammps_version: 2 Jul 2021
 date_generated: Wed Jul 21 15:49:47 2021
 epsilon: 1e-12
 prerequisites: ! |
-  pair reax/c
-  fix qeq/reax
+  pair reaxff
+  fix qeq/reaxff
 pre_commands: ! |
   echo screen
   variable newton_pair delete
@@ -27,9 +27,9 @@ pre_commands: ! |
   set type 3 charge -0.01
   velocity all create 100 4534624 loop geom
 post_commands: ! |
-  fix qeq all qeq/reax 1 0.0 8.0 1.0e-20 reax/c
+  fix qeq all qeq/reaxff 1 0.0 8.0 1.0e-20 reaxff
 input_file: in.empty
-pair_style: reax/c NULL checkqeq yes lgvdw yes safezone 1.6
+pair_style: reaxff NULL checkqeq yes lgvdw yes safezone 1.6
 pair_coeff: ! |
   * * ffield.reax.lg H C O
 extract: ! ""
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 97fbc95c46..de9527d99e 100644
--- a/unittest/force-styles/tests/atomic-pair-reax_c_noqeq.yaml
+++ b/unittest/force-styles/tests/atomic-pair-reax_c_noqeq.yaml
@@ -3,7 +3,7 @@ lammps_version: 2 Jul 2021
 date_generated: Wed Jul 21 15:49:48 2021
 epsilon: 5e-13
 prerequisites: ! |
-  pair reax/c
+  pair reaxff
 pre_commands: ! |
   echo screen
   variable newton_pair delete
@@ -24,7 +24,7 @@ pre_commands: ! |
   velocity all create 100 4534624 loop geom
 post_commands: ! ""
 input_file: in.empty
-pair_style: reax/c NULL checkqeq no
+pair_style: reaxff NULL checkqeq no
 pair_coeff: ! |
   * * ffield.reax.mattsson C C
 extract: ! ""
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 23e046037c..59a7f2eea4 100644
--- a/unittest/force-styles/tests/atomic-pair-reax_c_tabulate.yaml
+++ b/unittest/force-styles/tests/atomic-pair-reax_c_tabulate.yaml
@@ -3,8 +3,8 @@ lammps_version: 2 Jul 2021
 date_generated: Wed Jul 21 15:49:50 2021
 epsilon: 1e-12
 prerequisites: ! |
-  pair reax/c
-  fix qeq/reax
+  pair reaxff
+  fix qeq/reaxff
 pre_commands: ! |
   echo screen
   shell cp ${input_dir}/reaxff.control reaxff-1.control
@@ -28,9 +28,9 @@ pre_commands: ! |
   set type 3 charge -0.01
   velocity all create 100 4534624 loop geom
 post_commands: ! |
-  fix qeq all qeq/reax 1 0.0 8.0 1.0e-20 reax/c
+  fix qeq all qeq/reaxff 1 0.0 8.0 1.0e-20 reaxff
 input_file: in.empty
-pair_style: reax/c reaxff-1.control checkqeq yes
+pair_style: reaxff reaxff-1.control checkqeq yes
 pair_coeff: ! |
   * * ffield.reax.mattsson H C O
 extract: ! ""