diff --git a/tests/rt.conf b/tests/rt.conf
index 07fa091e1b..af678f72ca 100644
--- a/tests/rt.conf
+++ b/tests/rt.conf
@@ -125,11 +125,6 @@ RUN | regional_netcdf_parallel                          | - acorn
 RUN | regional_2dwrtdecomp                              |                                      |          |
 RUN | regional_wofs                                     | - jet s4                             | baseline |
 
-COMPILE | ifi | intel | -DAPP=ATM -DCCPP_SUITES=FV3_GFS_v15_thompson_mynn_lam3km -D32BIT=ON -DREQUIRE_IFI=ON | + acorn | fv3 |
-RUN | regional_ifi_control                              | + acorn                              | baseline |
-RUN | regional_ifi_decomp                               | + acorn                              |          |
-RUN | regional_ifi_2threads                             | + acorn                              |          |
-
 COMPILE | rrfs | intel | -DAPP=ATM -DCCPP_SUITES=FV3_RAP,FV3_RAP_sfcdiff,FV3_HRRR,FV3_RRFS_v1beta,FV3_RRFS_v1nssl -D32BIT=ON | | fv3 |
 RUN | rap_control                                       |                                      | baseline |
 RUN | regional_spp_sppt_shum_skeb                       |                                      | baseline |
diff --git a/tests/tests/regional_ifi_2threads b/tests/tests/regional_ifi_2threads
deleted file mode 100644
index 8e1db314cd..0000000000
--- a/tests/tests/regional_ifi_2threads
+++ /dev/null
@@ -1,45 +0,0 @@
-###############################################################################
-#
-#  FV3 regional threading test
-#
-###############################################################################
-
-export TEST_DESCR="Compare FV3 regional threading results with previous trunk version"
-
-export CNTL_DIR=regional_ifi_control
-
-export LIST_FILES="dynf000.nc \
-                   dynf006.nc \
-                   phyf000.nc \
-                   phyf006.nc \
-                   PRSLEV.GrbF00 \
-                   PRSLEV.GrbF06 \
-                   NATLEV.GrbF00 \
-                   NATLEV.GrbF06"
-
-export_fv3_v16
-
-export FV3_RUN=regional_run.IN
-
-export OZ_PHYS_OLD=.false.
-export OZ_PHYS_NEW=.true.
-export H2O_PHYS=.true.
-export HYBEDMF=.false.
-export WRITE_DOPOST=.true.
-export POSTAPP='lam'
-
-export CCPP_SUITE=FV3_GFS_v15_thompson_mynn_lam3km
-export INPUT_NML=regional.nml.IN
-export MODEL_CONFIGURE=model_configure_regional.IN
-export DIAG_TABLE=diag_table_lam
-export FIELD_TABLE=field_table_regional
-
-export WLCLK=15
-export FHMAX=6
-export INPES=10
-export JNPES=11
-export atm_omp_num_threads=2
-export OUTPUT_FH="3 -1"
-WRITE_GROUP=1
-WRTTASK_PER_GROUP=10
-NTILES=1
diff --git a/tests/tests/regional_ifi_control b/tests/tests/regional_ifi_control
deleted file mode 100644
index 089d372a78..0000000000
--- a/tests/tests/regional_ifi_control
+++ /dev/null
@@ -1,45 +0,0 @@
-###############################################################################
-#
-#  FV3 regional control with IFI (hi-res 3km, small domain) test
-#
-###############################################################################
-
-export TEST_DESCR="Compare FV3 regional control results with IFI against previous trunk version"
-
-export CNTL_DIR=regional_ifi_control
-
-export LIST_FILES="dynf000.nc \
-                   dynf006.nc \
-                   phyf000.nc \
-                   phyf006.nc \
-                   PRSLEV.GrbF00 \
-                   PRSLEV.GrbF06 \
-                   NATLEV.GrbF00 \
-                   NATLEV.GrbF06"
-
-export_fv3_v16
-
-export FV3_RUN=regional_run.IN
-
-export OZ_PHYS_OLD=.false.
-export OZ_PHYS_NEW=.true.
-export H2O_PHYS=.true.
-export HYBEDMF=.false.
-export RESTART_INTERVAL="3 -1"
-export WRITE_DOPOST=.true.
-export POSTAPP='lam'
-
-export CCPP_SUITE=FV3_GFS_v15_thompson_mynn_lam3km
-export INPUT_NML=regional.nml.IN
-export MODEL_CONFIGURE=model_configure_regional.IN
-export DIAG_TABLE=diag_table_lam
-export FIELD_TABLE=field_table_regional
-
-export WLCLK=15
-export FHMAX=6
-export INPES=10
-export JNPES=11
-export OUTPUT_FH="3 -1"
-WRITE_GROUP=1
-WRTTASK_PER_GROUP=10
-NTILES=1
diff --git a/tests/tests/regional_ifi_decomp b/tests/tests/regional_ifi_decomp
deleted file mode 100644
index 815587548a..0000000000
--- a/tests/tests/regional_ifi_decomp
+++ /dev/null
@@ -1,45 +0,0 @@
-###############################################################################
-#
-#  FV3 regional + IFI with different MPI decomposition (hi-res 3km, small domain) test
-#
-###############################################################################
-
-export TEST_DESCR="Compare FV3 regional with IFI; different decomposition results with previous trunk version"
-
-export CNTL_DIR=regional_ifi_control
-
-export LIST_FILES="dynf000.nc \
-                   dynf006.nc \
-                   phyf000.nc \
-                   phyf006.nc \
-                   PRSLEV.GrbF00 \
-                   PRSLEV.GrbF06 \
-                   NATLEV.GrbF00 \
-                   NATLEV.GrbF06"
-
-export_fv3_v16
-
-export FV3_RUN=regional_run.IN
-
-export OZ_PHYS_OLD=.false.
-export OZ_PHYS_NEW=.true.
-export H2O_PHYS=.true.
-export HYBEDMF=.false.
-export RESTART_INTERVAL="0"
-export WRITE_DOPOST=.true.
-export POSTAPP='lam'
-
-export CCPP_SUITE=FV3_GFS_v15_thompson_mynn_lam3km
-export INPUT_NML=regional.nml.IN
-export MODEL_CONFIGURE=model_configure_regional.IN
-export DIAG_TABLE=diag_table_lam
-export FIELD_TABLE=field_table_regional
-
-export WLCLK=15
-export FHMAX=6
-export INPES=11
-export JNPES=10
-export OUTPUT_FH="3 -1"
-WRITE_GROUP=1
-WRTTASK_PER_GROUP=10
-NTILES=1