diff --git a/lib/tput.js b/lib/tput.js
index c954af3..af22a82 100644
--- a/lib/tput.js
+++ b/lib/tput.js
@@ -1233,9 +1233,6 @@ Tput.cpaths = [
 Tput.prototype.readTermcap = function(term) {
   var self = this
     , term = term || this.terminal
-    , TERMCAP = process.env.TERMCAP || ''
-    , TERMPATH = process.env.TERMPATH || ''
-    , HOME = process.env.HOME || ''
     , terms
     , term_
     , root