diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index f6d9534..77d388b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -24,7 +24,6 @@ jobs:
           - ubuntu-latest
         arch:
           - x64
-          - x86
     steps:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1
diff --git a/src/DoseCalculationAlgorithms/DoseCalculationAlgorithms.jl b/src/DoseCalculationAlgorithms/DoseCalculationAlgorithms.jl
index 166b46a..0b205ab 100644
--- a/src/DoseCalculationAlgorithms/DoseCalculationAlgorithms.jl
+++ b/src/DoseCalculationAlgorithms/DoseCalculationAlgorithms.jl
@@ -1,7 +1,7 @@
 
 abstract type AbstractDoseAlgorithm end
 
-include("ScaledIsoplaneKernel.jl")
+#include("ScaledIsoplaneKernel.jl")
 include("FinitePencilBeamKernel.jl")
 
 """
diff --git a/src/DoseCalculationAlgorithms/FinitePencilBeamKernel.jl b/src/DoseCalculationAlgorithms/FinitePencilBeamKernel.jl
index 5b357e3..919fc06 100644
--- a/src/DoseCalculationAlgorithms/FinitePencilBeamKernel.jl
+++ b/src/DoseCalculationAlgorithms/FinitePencilBeamKernel.jl
@@ -74,9 +74,9 @@ function FinitePencilBeamKernel(depths, parameters::AbstractMatrix, tanθ, scali
     @assert length(tanθ) == size(scalingfactor, 2)
 
     data = SVector{5}.(eachcol(parameters))
-    params_interpolator = LinearInterpolation(depths, data, extrapolation_bc=Interpolations.Line())
+    params_interpolator = linear_interpolation(depths, data, extrapolation_bc=Interpolations.Line())
 
-    scalingfactor_interpolator = LinearInterpolation((depths, tanθ), scalingfactor, extrapolation_bc=Interpolations.Line())
+    scalingfactor_interpolator = linear_interpolation((depths, tanθ), scalingfactor, extrapolation_bc=Interpolations.Line())
 
     FinitePencilBeamKernel(params_interpolator, scalingfactor_interpolator)
 end
diff --git a/src/DoseCalculationAlgorithms/ScaledIsoplaneKernel.jl b/src/DoseCalculationAlgorithms/ScaledIsoplaneKernel.jl
index 3de51d8..71afe8e 100644
--- a/src/DoseCalculationAlgorithms/ScaledIsoplaneKernel.jl
+++ b/src/DoseCalculationAlgorithms/ScaledIsoplaneKernel.jl
@@ -1,6 +1,8 @@
-#
-#   Scaled Isoplane Kernel Algorithm
-#
+#=
+   (DISABLED) Scaled Isoplane Kernel Algorithm
+
+This has been temporarily disabled as it is incompatible with the current API
+=#
 
 export ScaledIsoplaneKernel, kernel, norm_depth_dose, calibrate!
 
@@ -37,10 +39,10 @@ function ScaledIsoplaneKernel(filename::String, max_kernel_radius; δsub=SVector
     # Interpolate onto uniform grid
     Δr = kernel_radius[2]-kernel_radius[1]
     r = kernel_radius[1]:Δr:kernel_radius[end]
-    K = LinearInterpolation(kernel_radius, kernel_value)(r)
+    K = linear_interpolation(kernel_radius, kernel_value)(r)
 
     # Create interpolation kernel
-    kernel = LinearInterpolation(r, K, extrapolation_bc=-Inf)
+    kernel = linear_interpolation(r, K, extrapolation_bc=-Inf)
     
     # Load Depth Dose Data
     pdd_depth = data["Depth Dose"]["Depth"]
@@ -52,7 +54,7 @@ function ScaledIsoplaneKernel(filename::String, max_kernel_radius; δsub=SVector
     # Interpolate onto uniform grid
     Δd = pdd_depth[2]-pdd_depth[1]
     d = pdd_depth[1]:Δd:pdd_depth[end]
-    D = LinearInterpolation(pdd_depth, pdd_dose)(d)
+    D = linear_interpolation(pdd_depth, pdd_dose)(d)
 
     # Create interpolation PDD
     PDD = CubicSplineInterpolation(d, D, extrapolation_bc=Interpolations.Line())
diff --git a/src/DosePoints.jl b/src/DosePoints.jl
index 516e91e..44e23d5 100644
--- a/src/DosePoints.jl
+++ b/src/DosePoints.jl
@@ -114,7 +114,7 @@ function within(bounds::MeshBounds, p)
 
     pmin, _ = extent(bounds)
     line = Segment(Point(pmin), Point(p))
-    pI, _ = intersect_mesh(line, bounds.mesh)
+    pI = intersect_mesh(line, bounds.mesh)
     
     length(pI) % 2 != 0
 end
diff --git a/src/ExternalSurfaces.jl b/src/ExternalSurfaces.jl
index 785d84c..740c0ba 100644
--- a/src/ExternalSurfaces.jl
+++ b/src/ExternalSurfaces.jl
@@ -116,7 +116,7 @@ getSSD(surf::MeshSurface, pos, src) = getSSD(surf, Point(pos), Point(src))
 
 function getSSD(surf::MeshSurface, pos::Point, src::Point)
     line = Ray(src, pos-src)
-    pI, _ = intersect_mesh(line, surf.mesh)
+    pI = intersect_mesh(line, surf.mesh)
     length(pI)==0 && return Inf
     minimum(norm.(pI .- Ref(src)))
 end
@@ -134,7 +134,7 @@ struct CylindricalSurface{Ty<:AbstractVector, Tϕ<:AbstractVector, Tdist<:Abstra
     distance::Tdist
     I::TInterpolation
     function CylindricalSurface(ϕ, y, rho)
-        I = LinearInterpolation((ϕ, y), rho)
+        I = linear_interpolation((ϕ, y), rho)
         new{typeof(ϕ), typeof(y), typeof(rho), typeof(I)}(ϕ, y, rho, I)
     end
 end
@@ -165,7 +165,7 @@ function CylindricalSurface(mesh::SimpleMesh; Δϕ°=2., Δy=2.)
         src = Point(SAD*sin(ϕ[i]), y[j], SAD*cos(ϕ[i]))
         
         line = Ray(src, pos-src)
-        pI, _ = intersect_mesh(line, mesh)
+        pI = intersect_mesh(line, mesh)
         if length(pI)==0
             ρᵢ = Inf
         else
diff --git a/src/Structures.jl b/src/Structures.jl
index 6f6c3da..52c0c1d 100644
--- a/src/Structures.jl
+++ b/src/Structures.jl
@@ -64,15 +64,13 @@ Single-threaded version of `intersect_mesh`.
 """
 function intersect_mesh_single_threaded(line::Geometry, mesh::Domain{Dim, T}) where {Dim, T}
     intersection_points = Point{Dim, T}[]
-    intersection_cells = Geometry{Dim, T}[]
     for cell in mesh
         pt = intersect(line, cell)
         if(pt !== nothing)
             push!(intersection_points, pt)
-            push!(intersection_cells, cell)
         end
     end
-    intersection_points, intersection_cells
+    intersection_points
 end
 
 """
@@ -82,19 +80,16 @@ Multi-threaded version of `intersect_mesh`.
 """
 function intersect_mesh_multi_threaded(line::Geometry, mesh::Domain{Dim, T}) where {Dim, T}
     intersection_points = Vector{Vector{Point{Dim, T}}}(undef, Threads.nthreads())
-    intersection_cells = Vector{Vector{Geometry{Dim, T}}}(undef, Threads.nthreads())
     for i=1:Threads.nthreads()
         intersection_points[i] = Point{Dim, T}[]
-        intersection_cells[i] = Geometry{Dim, T}[]
     end
     Threads.@threads for cell in mesh
         pt = intersect(line, cell)
         if(pt !== nothing)
             push!(intersection_points[Threads.threadid()], pt)
-            push!(intersection_cells[Threads.threadid()], cell)
         end
     end
-    vcat(intersection_points...), vcat(intersection_cells...)
+    vcat(intersection_points...)
 end
 
 #--- File IO ------------------------------------------------------------------
diff --git a/src/utils/interpolation.jl b/src/utils/interpolation.jl
index 58f0f27..aa88e2e 100644
--- a/src/utils/interpolation.jl
+++ b/src/utils/interpolation.jl
@@ -53,7 +53,7 @@ locate(xg, yg, xi, yi) = CartesianIndex(locate(xg, xi), locate(yg, yi))
 Interpolate `xi` within uniform grid positions `xg` and grid values `fg`
 """
 Base.@propagate_inbounds function interp(xg::AbstractVector{T}, fg::AbstractVector{T}, xi) where T<:Real
-    LinearInterpolation(xg, fg, extrapolation_bc = Flat())(xi)
+    linear_interpolation(xg, fg, extrapolation_bc = Interpolations.Flat())(xi)
 end
 
 """
@@ -71,6 +71,6 @@ interp(f1, f2, α) = (1 - α)*f1 + α*f2
 Bilinear interpolation at position `xi,yi`, on grid `xg-yg` with values `fg`
 """
 Base.@propagate_inbounds function interp(xg::AbstractVector, yg::AbstractVector, fg::AbstractMatrix, xi, yi)
-    LinearInterpolation((xg, yg), fg, extrapolation_bc = Flat())(xi, yi)
+    linear_interpolation((xg, yg), fg, extrapolation_bc = Interpolations.Flat())(xi, yi)
 end
 
diff --git a/test/CoordinateSystems.jl b/test/CoordinateSystems.jl
index ff82bc5..a0a49fb 100644
--- a/test/CoordinateSystems.jl
+++ b/test/CoordinateSystems.jl
@@ -1,5 +1,3 @@
-using Meshes
-
 @testset "CoordinateSystems" begin
 
     compare(v1, v2) = all(v1 .≈ v2)
diff --git a/test/ExternalSurfaces.jl b/test/ExternalSurfaces.jl
index 9a7f7e1..c397a19 100644
--- a/test/ExternalSurfaces.jl
+++ b/test/ExternalSurfaces.jl
@@ -1,5 +1,3 @@
-using Meshes, LinearAlgebra, StaticArrays, Rotations
-
 #=
     Depth and SSD Calculation
 
@@ -11,8 +9,7 @@ same ray line return the same SSD.
 Implemented Surfaces:
     - ConstantSurface
     - PlaneSurface
-    - MeshSurface (uses the same mesh and visual inspection as detailed in
-      test/meshes.jl)
+    - MeshSurface (uses the same mesh and visual inspection as detailed in meshes.jl)
 =#
 
 @testset "External Surfaces" begin
@@ -80,7 +77,7 @@ Implemented Surfaces:
     end
 
     @testset "MeshSurface" begin
-        structure = load_structure_from_ply("test/test_mesh.stl")
+        structure = load_structure_from_ply("test_mesh.stl")
         surf = MeshSurface(structure)
 
         # Test 1 - Visually inspected for accuracy
@@ -102,7 +99,7 @@ Implemented Surfaces:
     end
 
     @testset "Cylindrical Surface" begin
-        mesh = load_structure_from_ply("test/test_cylinder.stl")
+        mesh = load_structure_from_ply("test_cylinder.stl")
         surf = CylindricalSurface(mesh; Δϕ°=1., Δy=1.)
         meshsurf = MeshSurface(mesh)
 
diff --git a/test/FinitePencilBeamKernel.jl b/test/FinitePencilBeamKernel.jl
index e78614e..b85f642 100644
--- a/test/FinitePencilBeamKernel.jl
+++ b/test/FinitePencilBeamKernel.jl
@@ -1,7 +1,3 @@
-using LinearAlgebra
-using QuadGK
-using HCubature
-
 @testset "Pencil Beam Profile" begin
     # Tests if profile is continuous
     @testset "Continuity" begin
diff --git a/test/Jaws.jl b/test/Jaws.jl
index 63637fb..b92f5d7 100644
--- a/test/Jaws.jl
+++ b/test/Jaws.jl
@@ -1,5 +1,3 @@
-using HDF5
-
 @testset "HDF5" begin
 
     jaws = Jaws(rand(2), rand(2))
diff --git a/test/Project.toml b/test/Project.toml
index 731e250..43716be 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -1,3 +1,9 @@
 [deps]
 HCubature = "19dc6840-f33b-545b-b366-655c7e3ffd49"
+HDF5 = "f67ccb44-e63f-5c2f-98bd-6dc0ccc4ba2f"
+LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+Meshes = "eacbb407-ea5a-433e-ab97-5258b1ca43fa"
 QuadGK = "1fd47b50-473d-5c70-9696-f719f8f3bcdc"
+Rotations = "6038ab10-8711-5258-84ad-4b1120ba62dc"
+StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
diff --git a/test/ScaledIsoplaneKernel.jl b/test/ScaledIsoplaneKernel.jl
index 8558214..de4c2fb 100644
--- a/test/ScaledIsoplaneKernel.jl
+++ b/test/ScaledIsoplaneKernel.jl
@@ -1,5 +1,8 @@
-using StaticArrays
+#=
+    (DISABLED) Tests for the ScaledIsoplaneKernel Dose Calculation Algorithm
 
+See src/DoseCalculationAlgorithms/ScaledIsoplaneKernel.jl
+=#
 @testset "ScaledIsoplaneKernel" begin
 
     @testset "Sub-division" begin
diff --git a/test/bixels.jl b/test/bixels.jl
index 17f8d4f..8f3c02c 100644
--- a/test/bixels.jl
+++ b/test/bixels.jl
@@ -1,5 +1,3 @@
-using StaticArrays
-
 @testset "Bixels" begin
 
     pos = SVector(1., 2.)
diff --git a/test/interpolation.jl b/test/interpolation.jl
index 8448699..c57e2b1 100644
--- a/test/interpolation.jl
+++ b/test/interpolation.jl
@@ -1,5 +1,3 @@
-using Test
-
 rand_in_range(x1, x2) = (x2-x1)*rand() + x1
 
 function test_grid(xg)
@@ -39,12 +37,12 @@ function test_linear_interpolation(xg)
 
     xs = [0., 1.]
 
-    @testset "f[$(i[1])] == f($(xs[i[1]]))" for i in eachindex(fg)
-        @test fg[i] == interp(xg, fg, xs[i])
+    @testset "f[$(i[1])] ≈ f($(xs[i[1]]))" for i in eachindex(fg)
+        @test fg[i] ≈ interp(xg, fg, xs[i])
     end
 
-    @testset "avg(f) == f(0.5,0.5)" begin
-        @test sum(fg)/length(fg) == interp(xg, fg, 0.5)
+    @testset "avg(f) ≈ f(0.5,0.5)" begin
+        @test sum(fg)/length(fg) ≈ interp(xg, fg, 0.5)
     end
 end
 
@@ -66,15 +64,15 @@ function test_bilinear_interpolation(xg)
     xs = [0., 1.]
     ys = [0., 1.]
 
-    @testset "f[$(i[1]),$(i[2])] == f($(xs[i[1]]),$(ys[i[2]]))" for i in CartesianIndices(fg)
+    @testset "f[$(i[1]),$(i[2])] ≈ f($(xs[i[1]]),$(ys[i[2]]))" for i in CartesianIndices(fg)
         xi = xs[i[1]]
         yi = ys[i[2]]
         fi = interp(xg, yg, fg, xi, yi)
-        @test fi == fg[i]
+        @test fi ≈ fg[i]
     end
 
-    @testset "avg(f) == f(0.5,0.5)" begin
-        @test sum(fg)/length(fg) == interp(xg, yg, fg, 0.5, 0.5)
+    @testset "avg(f) ≈ f(0.5,0.5)" begin
+        @test sum(fg)/length(fg) ≈ interp(xg, yg, fg, 0.5, 0.5)
     end
 end
 
diff --git a/test/meshes.jl b/test/meshes.jl
index 393409a..3964c3b 100644
--- a/test/meshes.jl
+++ b/test/meshes.jl
@@ -1,7 +1,3 @@
-
-using Meshes
-using LinearAlgebra
-
 #=
     Mesh Intersections
 
diff --git a/test/runtests.jl b/test/runtests.jl
index f0054b7..cb86ce6 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,6 +1,10 @@
 using Test
 using DoseCalculations
 using HDF5
+using StaticArrays
+using Meshes
+using LinearAlgebra, Rotations
+using QuadGK, HCubature
 
 @testset "DoseCalculations" begin
     include("utils.jl")
@@ -10,7 +14,7 @@ using HDF5
     include("ExternalSurfaces.jl")
     include("meshes.jl")
     include("Fluence.jl")
-    include("ScaledIsoplaneKernel.jl")
+    #include("ScaledIsoplaneKernel.jl") # DISABLED, See src/DoseCalculationAlgorithms/ScaledIsoplaneKernel.jl
     include("MultiLeafCollimator.jl")
     include("MultiLeafCollimatorSequence.jl")
 end
diff --git a/test/utils.jl b/test/utils.jl
index 69ca241..e2290f7 100644
--- a/test/utils.jl
+++ b/test/utils.jl
@@ -6,7 +6,6 @@
 
     function test_snapped_range(x1, x2, Δ)
         r = DoseCalculations.snapped_range(x1, x2, Δ)
-        print(r)
         @test r[1]<=x1
         @test x2<=r[end]
     end