diff --git a/src/Plots.jl b/src/Plots.jl
index e730e65c..e2ffa95c 100644
--- a/src/Plots.jl
+++ b/src/Plots.jl
@@ -138,12 +138,15 @@ module PlotMeasures
 import Measures
 import Measures: Length, AbsoluteLength, Measure, BoundingBox, mm, cm, inch, pt, width, height, w, h
 const BBox = Measures.Absolute2DBox
-export BBox, BoundingBox, mm, cm, inch, pt, px, pct, w, h
+
+# allow pixels and percentages
+const px = AbsoluteLength(0.254)
+const pct = Length{:pct, Float64}(1.0)
+export BBox, BoundingBox, mm, cm, inch, px, pct, pt, w, h
 end
 
 using .PlotMeasures
 import .PlotMeasures: Length, AbsoluteLength, Measure, width, height
-export BBox, BoundingBox
 # ---------------------------------------------------------
 
 include("types.jl")
diff --git a/src/layouts.jl b/src/layouts.jl
index 9e90a2f1..9bd4d3b2 100644
--- a/src/layouts.jl
+++ b/src/layouts.jl
@@ -1,10 +1,6 @@
 
 # NOTE: (0,0) is the top-left !!!
 
-# allow pixels and percentages
-const px = AbsoluteLength(0.254)
-const pct = Length{:pct, Float64}(1.0)
-
 to_pixels(m::AbsoluteLength) = m.value / 0.254
 
 const _cbar_width = 5mm