diff --git a/src/DCorrelators.jl b/src/DCorrelators.jl
index b4ab68c..bf54807 100644
--- a/src/DCorrelators.jl
+++ b/src/DCorrelators.jl
@@ -1,14 +1,17 @@
 module DCorrelators
 
-using QuantumLattices
-using TensorKit
-using TensorKit: ⊠, ⊗, permute
-using MPSKit
-using MPSKitModels: Sector, contract_onesite, contract_twosite, @mpoham, vertices, nearest_neighbours, InfiniteChain, FiniteChain, _firstspace, _lastspace
-using Distributed
-using SharedArrays
-
-import MPSKit: propagator
+using QuantumLattices: Hilbert, Term, Lattice, Neighbors, OperatorGenerator, Operator, CoordinatedIndex, FockIndex, Index, OperatorSet, bonds
+using TensorKit: FermionParity, U1Irrep, SU2Irrep, Vect, Sector, ProductSector, AbstractTensorMap, TensorMap
+using TensorKit: truncdim, truncerr, truncspace, truncbelow, ←, space, numout, numin, dual, fuse
+using TensorKit: ⊠, ⊗, permute, domain, codomain, isomorphism, storagetype, @planar, @tensor, blocks, flip
+using MPSKit: FiniteMPS, FiniteMPO, MPOHamiltonian, TDVP, TDVP2
+using MPSKit: add_util_leg, timestep, environments
+using MPSKitModels: contract_onesite, contract_twosite, @mpoham, vertices, nearest_neighbours, InfiniteChain, FiniteChain, _firstspace, _lastspace
+using Distributed: @sync, @distributed 
+using SharedArrays: SharedArray
+
+import QuantumLattices: expand
+import MPSKit: propagator, dot
 
 export hubbard