diff --git a/components/nicechart/source/BSplines.pas b/components/nicechart/source/BSplines.pas
index e321079d7..35b326425 100644
--- a/components/nicechart/source/BSplines.pas
+++ b/components/nicechart/source/BSplines.pas
@@ -37,12 +37,8 @@ Unit BSplines;
 
 interface
 
-uses windows,
-     sysutils,
-     classes,
-     Graphics,
-     dialogs,
-     Math;
+uses
+  Sysutils, Classes, Graphics; //, Math;
 
 const MaxFragments            = 600; // The maximum of straight line segments allowed for drawing the spline
       MaxResults              = MaxFragments+10; // Max. number of calculated intersections
@@ -53,7 +49,7 @@ const MaxFragments            = 600; // The maximum of straight line segments al
       VerticesIncrement       = 25;  // Number of vertices to allocate memory for when the count property exceeds the current capacity
 
 type TDataType              = single;
-     TVertex              = record
+     TVertex                = record
                                  X,Y : TDataType;
                               end;
      // The following dynamic array is used to store the desired user-specified controlpoints
@@ -61,7 +57,7 @@ type TDataType              = single;
      P2DPointList           = ^T2DPointList;
 
      // The vertexlist is used internally to make the spline interpolate the controlpoints
-     TVertexList          = array[0..0] of TVertex;
+     TVertexList            = array[0..0] of TVertex;
      P2DVertexList          = ^TVertexList;
 
      // The knuckle list stores a flag to see whether a point is a knuckle or not