diff --git a/src/Positioning/Positioning.jl b/src/Positioning/Positioning.jl
index e622005..d268f65 100644
--- a/src/Positioning/Positioning.jl
+++ b/src/Positioning/Positioning.jl
@@ -14,7 +14,6 @@ using TimeZones: ZonedDateTime, UTC
 using StructArrays: StructArrays
 using Tables: Tables
 using DocStringExtensions: TYPEDFIELDS, TYPEDEF, TYPEDSIGNATURES
-using Reexport: @reexport
 import ..Refraction
 using ..Refraction: RefractionAlgorithm, NoRefraction, DefaultRefraction
 
diff --git a/src/Refraction/Refraction.jl b/src/Refraction/Refraction.jl
index 98637ef..f627719 100644
--- a/src/Refraction/Refraction.jl
+++ b/src/Refraction/Refraction.jl
@@ -9,7 +9,6 @@ for atmospheric refraction effects.
 module Refraction
 
 using DocStringExtensions: TYPEDFIELDS, TYPEDEF
-using Reexport: @reexport
 
 
 """
diff --git a/src/Utilities/Utilities.jl b/src/Utilities/Utilities.jl
index 9d98a48..0eff072 100644
--- a/src/Utilities/Utilities.jl
+++ b/src/Utilities/Utilities.jl
@@ -1,11 +1,9 @@
 module Utilities
 
-using Reexport: @reexport
 using DocStringExtensions: TYPEDEF, TYPEDFIELDS, TYPEDSIGNATURES
 using ..Positioning: Observer, SPA, SolarAlgorithm, calculate_deltat
 import Dates: DateTime, Date, Day
 import TimeZones: ZonedDateTime, timezone, UTC
-using TimeZones: @tz_str
 
 include("spa.jl")
 include("srt.jl")