diff --git a/npm/examples/extract.tcl b/npm/examples/extract.tcl
index 4bf45c25..0f90aca3 100644
--- a/npm/examples/extract.tcl
+++ b/npm/examples/extract.tcl
@@ -22,6 +22,5 @@ extresist all
 ext2spice format ngspice
 ext2spice extresist on
 ext2spice cthresh 0
-ext2spice rthresh 0
 
 ext2spice /work/__CELL__