Diff of /NAMESPACE [04e6b4] .. [c89255]  Maximize  Restore

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--- a/NAMESPACE
+++ b/NAMESPACE
@@ -1,8 +1,5 @@
 if(tools:::.OStype() == "windows") {
 importFrom(utils, readRegistry, winProgressBar, setWinProgressBar)
-}
-if(tools:::.OStype() == "unix") {
-importFrom(tcltk, tkProgressBar, setTkProgressBar)
 }
 importFrom(utils, txtProgressBar, setTxtProgressBar)
 importFrom(stats, variable.names, sd, update)