diff --git a/components/mpas-ocean/src/Registry.xml b/components/mpas-ocean/src/Registry.xml
index ec873e494282..01b7eca49624 100644
--- a/components/mpas-ocean/src/Registry.xml
+++ b/components/mpas-ocean/src/Registry.xml
@@ -3783,10 +3783,6 @@
 			 description="Multiplication factors to smooth ssh at coastlines for SAL caculation"
 			 packages="tidalPotentialForcingPKG"
 		/>
-		<var name="RediKappaData" type="real" dimensions="nCells" units="m^2 s^-1"
-			 description="Redi isopycnal mixing Kappa value. This is the data field specified at init."
-			 packages="gm"
-		/>
 	</var_struct>
 	<var_struct name="timeVaryingForcing" time_levs="1">
 		<var name="windSpeedU" type="real" dimensions="nCells Time" units="m s^-1"
diff --git a/components/mpas-ocean/src/shared/mpas_ocn_tracer_hmix_redi.F b/components/mpas-ocean/src/shared/mpas_ocn_tracer_hmix_redi.F
index 9862f2fdcb75..83dd0986a239 100644
--- a/components/mpas-ocean/src/shared/mpas_ocn_tracer_hmix_redi.F
+++ b/components/mpas-ocean/src/shared/mpas_ocn_tracer_hmix_redi.F
@@ -492,7 +492,7 @@ subroutine ocn_tracer_hmix_Redi_init(domain, err)!{{{
       type(mpas_pool_type), pointer :: diagnosticsPool
       type(mpas_pool_type), pointer :: forcingPool
 
-      real(kind=RKIND), dimension(:), pointer :: RediKappa, RediKappaData
+      real(kind=RKIND), dimension(:), pointer :: RediKappa
       real(kind=RKIND), dimension(:), pointer :: RediHorizontalTaper
       real(kind=RKIND), dimension(:), pointer :: dcEdge
       real(kind=RKIND) :: coef
@@ -519,7 +519,6 @@ subroutine ocn_tracer_hmix_Redi_init(domain, err)!{{{
          call mpas_pool_get_dimension(meshPool, 'nEdges', nEdges)
          call mpas_pool_get_array(diagnosticsPool, 'RediKappa', RediKappa)
          call mpas_pool_get_array(diagnosticsPool, 'RediHorizontalTaper', RediHorizontalTaper)
-         call mpas_pool_get_array(forcingPool, 'RediKappaData', RediKappaData)
          call mpas_pool_get_array(meshPool, 'cellsOnEdge', cellsOnEdge)
          call mpas_pool_get_array(meshPool, 'dcEdge', dcEdge)