diff --git a/CMEPS/CMEPS b/CMEPS/CMEPS
index 1f8d26a..b4d856a 160000
--- a/CMEPS/CMEPS
+++ b/CMEPS/CMEPS
@@ -1 +1 @@
-Subproject commit 1f8d26a23be9809848146b1334ffa55d1b9d7fa1
+Subproject commit b4d856aed1a36f55b329e2cc8e2c05dc552bf9de
diff --git a/CMEPS/CMakeLists.txt b/CMEPS/CMakeLists.txt
index d2316e6..c6bb726 100644
--- a/CMEPS/CMakeLists.txt
+++ b/CMEPS/CMakeLists.txt
@@ -56,6 +56,7 @@ target_sources(ACCESS3_cmeps PRIVATE
   CMEPS/mediator/med_phases_post_rof_mod.F90
   CMEPS/mediator/med_phases_post_wav_mod.F90
   CMEPS/mediator/med_field_info_mod.F90
+  CMEPS/mediator/med_phases_scalefluxes_mod.F90
 )
 
 ## NUOPC cap share
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e2a5a4e..c917782 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,7 +52,7 @@ if(CMAKE_Fortran_COMPILER_ID MATCHES "GNU")
   set(CMAKE_Fortran_FLAGS_DEBUG "-g -Wall -Og -ffpe-trap=zero,overflow -fcheck=bounds")
 elseif(CMAKE_Fortran_COMPILER_ID MATCHES "Intel")
   set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -qno-opt-dynamic-align  -convert big_endian -assume byterecl -ftz -traceback -assume realloc_lhs -fp-model precise -g -grecord-gcc-switches")
-  set(CMAKE_Fortran_FLAGS_RELEASE "-O2")
+  set(CMAKE_Fortran_FLAGS_RELEASE "-O2 -warn unused")
   set(CMAKE_Fortran_FLAGS_DEBUG "-O0 -check all") #-fpe0 - see https://github.com/ACCESS-NRI/MOM6/issues/39
 else()
   message(WARNING "Fortran compiler with ID ${CMAKE_Fortran_COMPILER_ID} will be used with CMake default options")