diff --git a/modulefiles/jet_c.lua b/modulefiles/jet_c.lua
deleted file mode 100644
index dcd54d7b5..000000000
--- a/modulefiles/jet_c.lua
+++ /dev/null
@@ -1,22 +0,0 @@
-help([[
-Load environment to build UPP on Jet
-]])
-
-prepend_path("MODULEPATH", "/mnt/lfs4/HFIP/hfv3gfs/role.epic/spack-stack/spack-stack-1.6.0/envs/unified-env/install/modulefiles/Core")
-
-stack_intel_ver=os.getenv("stack_intel_ver") or "2021.5.0"
-load(pathJoin("stack-intel", stack_intel_ver))
-
-stack_impi_ver=os.getenv("stack_impi_ver") or "2021.5.1"
-load(pathJoin("stack-intel-oneapi-mpi", stack_impi_ver))
-
-cmake_ver=os.getenv("cmake_ver") or "3.23.1"
-load(pathJoin("cmake", cmake_ver))
-
-load("upp_common")
-
-setenv("CC","mpiicc")
-setenv("CXX","mpiicpc")
-setenv("FC","mpiifort")
-
-whatis("Description: UPP build environment")
diff --git a/tests/detect_machine.sh b/tests/detect_machine.sh
index ba157a0eb..76b7ce933 100755
--- a/tests/detect_machine.sh
+++ b/tests/detect_machine.sh
@@ -25,13 +25,12 @@ case $(hostname -f) in
   gaea5[1-8].ncrc.gov) MACHINE_ID=gaea ;; ### gaea51-58
 
   hfe0[1-9]) MACHINE_ID=hera ;;   ### hera01-09
-  hfe1[0-2]) MACHINE_ID=hera ;;   ### hera10-12
+  hfe1[01]) MACHINE_ID=hera ;;   ### hera10-11
   hecflow01) MACHINE_ID=hera ;;   ### heraecflow01
 
   s4-submit.ssec.wisc.edu) MACHINE_ID=s4 ;; ### s4
 
-  fe[1-4]) MACHINE_ID=jet_c ;; ### jet1-4
-  fe[5-8]) MACHINE_ID=jet ;; ### jet1-8
+  fe[1-8]) MACHINE_ID=jet ;; ### jet1-8
   tfe[12]) MACHINE_ID=jet ;; ### tjet1-2
 
   Orion-login-[1-4].HPC.MsState.Edu) MACHINE_ID=orion ;; ### orion1-4