1 files changed, 8 insertions, 0 deletions
diff --git a/lib/utils.exp b/lib/utils.exp
index 056157a..eca82d9 100644
--- a/lib/utils.exp
+++ b/lib/utils.exp
@@ -339,6 +339,14 @@ proc setenv { var val } {
     set env($var) $val
 }
 
+# Unset an environment variable
+#
+proc unsetenv { var } {
+    global env
+    unset env($var)
+}
+
+
 # Get a value from an environment variable
 #
 proc getenv { var } {