diff --git a/fv3core/pace/fv3core/initialization/init_utils.py b/fv3core/pace/fv3core/initialization/init_utils.py
index 15a46d5d..42252e87 100644
--- a/fv3core/pace/fv3core/initialization/init_utils.py
+++ b/fv3core/pace/fv3core/initialization/init_utils.py
@@ -179,18 +179,6 @@ def horizontally_averaged_temperature(eta):
     return t_mean
 
 
-def _initialize_delp(ak, bk, ps, shape):
-    # TODO: resolve function duplication
-    delp = np.zeros(shape)
-    delp[:, :, :-1] = (
-        ak[None, None, 1:]
-        - ak[None, None, :-1]
-        + ps[:, :, None] * (bk[None, None, 1:] - bk[None, None, :-1])
-    )
-
-    return delp
-
-
 def initialize_delp(ps, ak, bk):
     return (
         ak[None, None, 1:]
@@ -203,15 +191,6 @@ def initialize_delz(pt, peln):
     return constants.RDG * pt[:, :, :-1] * (peln[:, :, 1:] - peln[:, :, :-1])
 
 
-def _initialize_edge_pressure(delp, ptop, shape):
-    # TODO: resolve function duplication
-    pe = np.zeros(shape)
-    pe[:, :, 0] = ptop
-    for k in range(1, pe.shape[2]):
-        pe[:, :, k] = ptop + np.sum(delp[:, :, :k], axis=2)
-    return pe
-
-
 def initialize_edge_pressure(delp, ptop):
     pe = np.zeros(delp.shape)
     pe[:, :, 0] = ptop
diff --git a/fv3core/pace/fv3core/initialization/test_cases/initialize_tc.py b/fv3core/pace/fv3core/initialization/test_cases/initialize_tc.py
index f118557b..33689344 100644
--- a/fv3core/pace/fv3core/initialization/test_cases/initialize_tc.py
+++ b/fv3core/pace/fv3core/initialization/test_cases/initialize_tc.py
@@ -535,8 +535,8 @@ def init_tc_state(
     # for now, take from metric terms
     ak = _define_ak()
     bk = _define_bk()
-    delp = init_utils._initialize_delp(ak, bk, ps, shape)
-    pe = init_utils._initialize_edge_pressure(delp, tc_properties["ptop"], shape)
+    delp = init_utils.initialize_delp(ps, ak, bk)
+    pe = init_utils.initialize_edge_pressure(delp, tc_properties["ptop"])
     peln = np.log(pe)
     pk, pkz = init_utils.initialize_kappa_pressures(pe, peln, tc_properties["ptop"])