diff --git a/src/chebyshevtransform.jl b/src/chebyshevtransform.jl
index 7920e6d0..e98f4ed5 100644
--- a/src/chebyshevtransform.jl
+++ b/src/chebyshevtransform.jl
@@ -22,11 +22,9 @@ ChebyshevTransformPlan{T,kind}(plan::FFTW.r2rFFTWPlan{T,K,inplace,N,R}) where {T
 
 # jump through some hoops to make inferrable
 
-_fftKtype(::Val{N}, _...) where N = Vector{Int32}
-
 function plan_chebyshevtransform!(x::AbstractArray{T,N}, ::Val{1}, dims...; kws...) where {T<:fftwNumber,N}
     if isempty(x)
-        ChebyshevTransformPlan{T,1,_fftKtype(Val{N}(), dims...),true,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
+        ChebyshevTransformPlan{T,1,Vector{Int32},true,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
     else
         ChebyshevTransformPlan{T,1}(FFTW.plan_r2r!(x, FIRSTKIND, dims...; kws...))
     end
@@ -39,7 +37,7 @@ end
 
 function plan_chebyshevtransform(x::AbstractArray{T,N}, ::Val{1}, dims...; kws...) where {T<:fftwNumber,N}
     if isempty(x)
-        ChebyshevTransformPlan{T,1,_fftKtype(Val{N}(), dims...),false,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
+        ChebyshevTransformPlan{T,1,Vector{Int32},false,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
     else
         ChebyshevTransformPlan{T,1}(FFTW.plan_r2r(x, FIRSTKIND, dims...; kws...))
     end
@@ -196,7 +194,7 @@ inv(P::IChebyshevTransformPlan{T,1}) where {T} = ChebyshevTransformPlan{T,1}(inv
 
 function plan_ichebyshevtransform!(x::AbstractArray{T,N}, ::Val{1}, dims...; kws...) where {T<:fftwNumber,N}
     if isempty(x)
-        IChebyshevTransformPlan{T,1,_fftKtype(Val{N}(), dims...),true,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
+        IChebyshevTransformPlan{T,1,Vector{Int32},true,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
     else
         IChebyshevTransformPlan{T,1}(FFTW.plan_r2r!(x, IFIRSTKIND, dims...; kws...))
     end
@@ -208,7 +206,7 @@ end
 
 function plan_ichebyshevtransform(x::AbstractArray{T,N}, ::Val{1}, dims...; kws...) where {T<:fftwNumber,N}
     if isempty(x)
-        IChebyshevTransformPlan{T,1,_fftKtype(Val{N}(), dims...),false,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
+        IChebyshevTransformPlan{T,1,Vector{Int32},false,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
     else
         IChebyshevTransformPlan{T,1}(FFTW.plan_r2r(x, IFIRSTKIND, dims...; kws...))
     end
@@ -335,7 +333,7 @@ ChebyshevUTransformPlan{T,kind}(plan::FFTW.r2rFFTWPlan{T,K,inplace,N,R}) where {
 
 function plan_chebyshevutransform!(x::AbstractArray{T,N}, ::Val{1}, dims...; kws...) where {T<:fftwNumber,N}
     if isempty(x)
-        ChebyshevUTransformPlan{T,1,_fftKtype(Val{N}(), dims...),true,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
+        ChebyshevUTransformPlan{T,1,Vector{Int32},true,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
     else
         ChebyshevUTransformPlan{T,1}(FFTW.plan_r2r!(x, UFIRSTKIND, dims...; kws...))
     end
@@ -347,7 +345,7 @@ end
 
 function plan_chebyshevutransform(x::AbstractArray{T,N}, ::Val{1}, dims...; kws...) where {T<:fftwNumber,N}
     if isempty(x)
-        ChebyshevUTransformPlan{T,1,_fftKtype(Val{N}(), dims...),false,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
+        ChebyshevUTransformPlan{T,1,Vector{Int32},false,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
     else
         ChebyshevUTransformPlan{T,1}(FFTW.plan_r2r(x, UFIRSTKIND, dims...; kws...))
     end
@@ -494,7 +492,7 @@ IChebyshevUTransformPlan{T,kind}(F::FFTW.r2rFFTWPlan{T,K,inplace,N,R}) where {T,
 
 function plan_ichebyshevutransform!(x::AbstractArray{T,N}, ::Val{1}, dims...; kws...) where {T<:fftwNumber,N}
     if isempty(x)
-        IChebyshevUTransformPlan{T,1,_fftKtype(Val{N}(), dims...),true,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
+        IChebyshevUTransformPlan{T,1,Vector{Int32},true,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
     else
         IChebyshevUTransformPlan{T,1}(FFTW.plan_r2r!(x, IUFIRSTKIND, dims...; kws...))
     end
@@ -506,7 +504,7 @@ end
 
 function plan_ichebyshevutransform(x::AbstractArray{T,N}, ::Val{1}, dims...; kws...) where {T<:fftwNumber,N}
     if isempty(x)
-        IChebyshevUTransformPlan{T,1,_fftKtype(Val{N}(), dims...),false,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
+        IChebyshevUTransformPlan{T,1,Vector{Int32},false,N,isempty(dims) ? NTuple{N,Int} : typeof(dims[1])}()
     else
         IChebyshevUTransformPlan{T,1}(FFTW.plan_r2r(x, IUFIRSTKIND, dims...; kws...))
     end