diff --git a/config_src/infra/FMS1/MOM_io_infra.F90 b/config_src/infra/FMS1/MOM_io_infra.F90
index e62216d0b0..e37e5db3cb 100644
--- a/config_src/infra/FMS1/MOM_io_infra.F90
+++ b/config_src/infra/FMS1/MOM_io_infra.F90
@@ -739,7 +739,7 @@ end subroutine read_field_3d_region
 !! 4-D data field named "fieldname" from file "filename".  Valid values for
 !! "position" include CORNER, CENTER, EAST_FACE and NORTH_FACE.
 subroutine read_field_4d(filename, fieldname, data, MOM_Domain, &
-                            timelevel, position, scale, global_file, file_may_be_4d)
+                            timelevel, position, scale, global_file)
   character(len=*),       intent(in)    :: filename  !< The name of the file to read
   character(len=*),       intent(in)    :: fieldname !< The variable name of the data in the file
   real, dimension(:,:,:,:), intent(inout) :: data    !< The 4-dimensional array into which the data
@@ -750,14 +750,11 @@ subroutine read_field_4d(filename, fieldname, data, MOM_Domain, &
   real,         optional, intent(in)    :: scale     !< A scaling factor that the field is multiplied
                                                      !! by before it is returned.
   logical,      optional, intent(in)    :: global_file !< If true, read from a single global file
-  logical,      optional, intent(in)    :: file_may_be_4d !< If true, this file may have 4-d arrays,
-                                                     !! in which case a more elaborate set of calls
-                                                     !! is needed to read it due to FMS limitations.
 
   ! Local variables
   character(len=80)  :: varname             ! The name of a variable in the file
   type(fieldtype), allocatable :: fields(:) ! An array of types describing all the variables in the file
-  logical :: use_fms_read_data, file_is_global
+  logical :: file_is_global
   integer :: n, unit, ndim, nvar, natt, ntime
 
   ! This single call does not work for a 4-d array due to FMS limitations, so multiple calls are
@@ -765,40 +762,32 @@ subroutine read_field_4d(filename, fieldname, data, MOM_Domain, &
   ! call read_data(filename, fieldname, data, MOM_Domain%mpp_domain, &
   !                timelevel=timelevel, position=position)
 
-  use_fms_read_data = .true. ; if (present(file_may_be_4d)) use_fms_read_data = .not.file_may_be_4d
   file_is_global = .true. ; if (present(global_file)) file_is_global = global_file
 
-  use_fms_read_data = .false. ! 4d arrays not working with FMS1
-
-  if (use_fms_read_data) then
-    call read_data(filename, fieldname, data, MOM_Domain%mpp_domain, &
-                   timelevel=timelevel, position=position)
+  if (file_is_global) then
+    call mpp_open(unit, trim(filename), form=NETCDF_FILE, action=READONLY_FILE, &
+                  threading=MULTIPLE, fileset=SINGLE_FILE) !, domain=MOM_Domain%mpp_domain )
   else
-    if (file_is_global) then
-      call mpp_open(unit, trim(filename), form=NETCDF_FILE, action=READONLY_FILE, &
-                    threading=MULTIPLE, fileset=SINGLE_FILE) !, domain=MOM_Domain%mpp_domain )
-    else
-      call mpp_open(unit, trim(filename), form=NETCDF_FILE, action=READONLY_FILE, &
-                    threading=MULTIPLE, fileset=MULTIPLE, domain=MOM_Domain%mpp_domain )
+    call mpp_open(unit, trim(filename), form=NETCDF_FILE, action=READONLY_FILE, &
+                  threading=MULTIPLE, fileset=MULTIPLE, domain=MOM_Domain%mpp_domain )
+  endif
+  call mpp_get_info(unit, ndim, nvar, natt, ntime)
+  allocate(fields(nvar))
+  call mpp_get_fields(unit, fields(1:nvar))
+  do n=1, nvar
+    call mpp_get_atts(fields(n), name=varname)
+    if (lowercase(trim(varname)) == lowercase(trim(fieldname))) then
+        call MOM_error(NOTE, "Reading 4-d variable "//trim(fieldname)//" from file "//trim(filename))
+      ! Maybe something should be done depending on the value of ntime.
+      call mpp_read(unit, fields(n), MOM_Domain%mpp_domain, data, timelevel)
+      exit
     endif
-    call mpp_get_info(unit, ndim, nvar, natt, ntime)
-    allocate(fields(nvar))
-    call mpp_get_fields(unit, fields(1:nvar))
-    do n=1, nvar
-      call mpp_get_atts(fields(n), name=varname)
-      if (lowercase(trim(varname)) == lowercase(trim(fieldname))) then
-          call MOM_error(NOTE, "Reading 4-d variable "//trim(fieldname)//" from file "//trim(filename))
-        ! Maybe something should be done depending on the value of ntime.
-        call mpp_read(unit, fields(n), MOM_Domain%mpp_domain, data, timelevel)
-        exit
-      endif
-    enddo
-    if ((n == nvar+1) .or. (nvar < 1)) call MOM_error(WARNING, &
-      "read_field apparently did not find 4-d variable "//trim(fieldname)//" in file "//trim(filename))
+  enddo
+  if ((n == nvar+1) .or. (nvar < 1)) call MOM_error(WARNING, &
+    "read_field apparently did not find 4-d variable "//trim(fieldname)//" in file "//trim(filename))
 
-    deallocate(fields)
-    call mpp_close(unit)
-  endif
+  deallocate(fields)
+  call mpp_close(unit)
 
   if (present(scale)) then ; if (scale /= 1.0) then
     call rescale_comp_data(MOM_Domain, data, scale)
diff --git a/src/parameterizations/vertical/MOM_diabatic_driver.F90 b/src/parameterizations/vertical/MOM_diabatic_driver.F90
index 8053c16265..1ccd6a7fb2 100644
--- a/src/parameterizations/vertical/MOM_diabatic_driver.F90
+++ b/src/parameterizations/vertical/MOM_diabatic_driver.F90
@@ -3575,6 +3575,8 @@ subroutine register_diabatic_restarts(G, US, param_file, int_tide_CSp, restart_C
 
   logical :: use_int_tides
 
+  use_int_tides=.false.
+
   call read_param(param_file, "INTERNAL_TIDES", use_int_tides)
 
   if (use_int_tides) then