diff --git a/src/norecompile.jl b/src/norecompile.jl
index 01d3aa198..d9288547d 100644
--- a/src/norecompile.jl
+++ b/src/norecompile.jl
@@ -57,13 +57,11 @@ function wrapfun_iip(ff,
     dualT = dualgen(T)
     dualT1 = ArrayInterface.promote_eltype(T1, dualT)
     dualT2 = ArrayInterface.promote_eltype(T2, dualT)
-    dualT4 = dualgen(T4)
-    dualT4_T = promote_dual(dualT4, dualT)
+    dualT4 = promote_dual(dualgen(T4), dualT)
 
     iip_arglists = (Tuple{T1, T2, T3, T4},    # primal
         Tuple{dualT1, dualT2, T3, T4},        # vjp
         Tuple{dualT1, T2, T3, dualT4},        # tgrad
-        Tuple{dualT1, T2, T3, dualT4_T},      # tgrad inside gradient wrt initial conditions
         )
 
     iip_returnlists = ntuple(x -> Nothing, length(iip_arglists))