diff --git a/src/util/vectors.jl b/src/util/vectors.jl
index 65d350e08..a3c398a8f 100644
--- a/src/util/vectors.jl
+++ b/src/util/vectors.jl
@@ -4,8 +4,6 @@ struct PlusOneVector{T, A <: AbstractVector{T}} <: AbstractVector{T}
     data::A
 end
 
-PlusOneVector(data::AbstractVector{T}) where {T} = PlusOneVector{T, typeof(data)}(data)
-
 @propagate_inbounds function Base.getindex(vec::PlusOneVector{T},
                                            index::Int) where {T}
     return vec.data[index] + 0x01