diff --git a/tests/rt.conf b/tests/rt.conf
index 9caaf5bc2a..72ae646fa4 100644
--- a/tests/rt.conf
+++ b/tests/rt.conf
@@ -416,13 +416,13 @@ RUN | rap_control_dyn64_phy32_debug                     | + hera hercules
 
 ### S2S tests ###
 COMPILE | s2swa | gnu | -DAPP=S2SWA -DCCPP_SUITES=FV3_GFS_v17_coupled_p8 | + hera hercules | fv3 |
-RUN | cpld_control_p8                                   |                                      | baseline |
+RUN | cpld_control_p8                                   | - hercules                           | baseline |
 
 COMPILE | s2s | gnu | -DAPP=S2S -DCCPP_SUITES=FV3_GFS_v17_coupled_p8 | + hera hercules | fv3 |
 RUN | cpld_control_nowave_noaero_p8                     | + hera hercules                      | baseline |
 
 COMPILE | s2swa_debug | gnu | -DAPP=S2SWA -DDEBUG=ON -DCCPP_SUITES=FV3_GFS_v17_coupled_p8 | + hera hercules | fv3 |
-RUN | cpld_debug_p8                                     |                                      | baseline |
+RUN | cpld_debug_p8                                     | - hercules                           | baseline |
 
 # Unstructured WW3
 COMPILE | s2sw_pdlib | gnu | -DAPP=S2SW -DCCPP_SUITES=FV3_GFS_v17_coupled_p8 -DPDLIB=ON | + hera hercules | fv3 |