diff --git a/src/projmpo_apply.jl b/src/projmpo_apply.jl
index 8b6cf84..0493e48 100644
--- a/src/projmpo_apply.jl
+++ b/src/projmpo_apply.jl
@@ -1,4 +1,4 @@
-using ITensors: ITensors, ITensor
+using ITensors: ITensor
 using ITensors.ITensorMPS: ITensorMPS, AbstractProjMPO, MPO, MPS
 
 """