diff --git a/src/Examples/repeating_structure_examples.jl b/src/Examples/repeating_structure_examples.jl
index aa30b4cd2..1e7e67a8d 100644
--- a/src/Examples/repeating_structure_examples.jl
+++ b/src/Examples/repeating_structure_examples.jl
@@ -2,33 +2,29 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # See LICENSE in the project root for full license information.
 
+export drawrectlattice, drawhexneighbors, drawhexregion, drawhexrect, drawhexrectcolors
+export hex3cluster, hex3RGB, hexRGBW, hex12RGB
+export drawhex3RGB, drawhex12RGB
 
-
-#############################################################################
 drawrectlattice() = Vis.drawcells(Repeat.RectangularBasis(),50.0,SMatrix{2,4,Int64}(0,0,0,1,1,0,1,1))
-export drawrectlattice
 
 """draw the 2 ring neighbors of the hex cell at coordinates (0,0)"""
 drawhexneighbors() =  Vis.drawcells(Repeat.HexBasis1(),50,Repeat.neighbors(Repeat.HexBasis1,(0,0),2))
-export drawneighbors
 
 """draw hex cell at coordinates (0,0) and the 1 and 2 ring neighbors"""
 drawhexregion() = Vis.drawcells(Repeat.HexBasis1(),50,Repeat.region(Repeat.HexBasis1,(0,0),2))
-export drawhexregion
 
 """draw hex cells that fit within a rectangular box centered at coordinates (0,0). Use fill color yellow."""
 function drawhexrect() 
     cells = Repeat.hexcellsinbox(2,2)
     Vis.drawcells(Repeat.HexBasis1(),50,cells,color = repeat(["yellow"],length(cells)))
 end
-export drawhexrect
 
 """draw hex cells that fit within a rectangular box centered at coordinates (0,0). Use random fill colors selected for maximum distinguishability."""
 function drawhexrectcolors()
     cells = Repeat.hexcellsinbox(4,4)
     Vis.drawcells(Repeat.HexBasis1(),30,cells)
 end
-export drawhexrectcolors
 
 """ Create a LatticeCluser with three elements at (0,0),(-1,0),(-1,1) coordinates in the HexBasis1 lattice"""
 function hex3cluster()
@@ -37,7 +33,6 @@ function hex3cluster()
     clusterbasis = LatticeBasis(( -1,2),(2,-1))
     return LatticeCluster(clusterbasis,eltlattice,clusterelts)
 end
-export hex3cluster
 
 """ Create a ClusterWithProperties with three types of elements, R,G,B """
 function hex3RGB()
@@ -50,7 +45,6 @@ function hex3RGB()
     properties =  DataFrame(Color = colors, Name = names)
     return ClusterWithProperties(lattice,properties)
 end
-export hex3RGB
 
 """ Create a ClusterWithProperties with four types of elements, R,G,B,W """
 function hexRGBW()
@@ -63,7 +57,6 @@ function hexRGBW()
     properties =  DataFrame(Color = colors, Name = names)
     return ClusterWithProperties(lattice,properties)
 end
-export hexRGBW
 
 function hex12RGB()
     clusterelements = SVector(
@@ -93,15 +86,9 @@ function hex12RGB()
     properties =  DataFrame(Color = colors, Name = names)
     return ClusterWithProperties(lattice,properties)
 end
-export hex12RGB
 
 """ draw 3 repeats of hex3RGB cluster """
 drawhex3RGB() = Vis.draw(hex3RGB(),[0 1 0; 0 0 1])
-export drawhex3RGB
 
 """ draw 3 repeats of hex12RGB cluster """
 drawhex12RGB() = Vis.draw(hex12RGB(),[0 1 0; 0 0 1])
-export drawhex12RGB
-
-
-