diff --git a/src/ecwam/ecwam_loki.config b/src/ecwam/ecwam_loki.config
index 96c54136..374ca7c7 100644
--- a/src/ecwam/ecwam_loki.config
+++ b/src/ecwam/ecwam_loki.config
@@ -9,17 +9,27 @@ replicate = true
 # do not attempt to look up the source files for these.
 disable = [
   'yomhook', 'abor1', 'abort1', 'gstats', 'yowgstats', 'wam_user_clock',
-  'parkind1', 'propag_wam', 'newwind', 'oml_mod', 'field_module', 'incdate',
+  'parkind1', 'propag_wam', 'newwind', 'oml_mod', 'field_module', 'incdate', 'yowfield_mod',
   'ieee_arithmetic',  # intrinsic modules (should have INTRINSIC in their USE statement)
   'mfeb_length', 'cdm', # internal functions
   'outwspec_io_serv_handler', 'outint_io_serv_handler', 'ifstowam_handler', # procedure pointers
   '*%init', '*%update_view', '*%final', '*%ensure_host', '*%update_device'
 ]
 
+# modules to be parsed but not transformed
+ignore = ['yowgrid', 'yowtest', 'yowshal', 'yowdrvtype']
+
 # Prune the tree for these to ensure they are not processed by transformations
 block = ['ec_parkind', 'parkind_wave']
 
-utility_routines = ['dr_hook', 'abort1', 'write(iu06']
+# Utility calls and IO statements to remove
+[transformations.RemoveCodeTransformation]
+  module = "loki.transform"
+[transformations.RemoveCodeTransformation.options]
+  remove_marked_regions = true
+  remove_dead_code = false
+  call_names =['dr_hook', 'abort1']
+  intrinsic_names = ['write(iu06']
 
 # Define entry point for call-tree transformation
 [routines.wamintgr]
@@ -43,10 +53,6 @@ utility_routines = ['dr_hook', 'abort1', 'write(iu06']
   bounds = ["KIJS", "KIJL"]
   aliases = ["NPROMA_WAM"]
 
-[dimensions.vertical]
-  size = "NFRE"
-  index = "M"
-
 [dimensions.block_dim]
   size = "NCHNK"
   index = "ICHNK"