math.trig: remove reference to this vocab

[factor.git] / extra / rosetta-code / haversine-formula / haversine-formula.factor

diff --git a/extra/rosetta-code/haversine-formula/haversine-formula.factor b/extra/rosetta-code/haversine-formula/haversine-formula.factor
index f0de9a9e26a0a5e16fbc82f0ead8f7221e0e3219..fe14dcda2c3180ebd93e599759aa41b6d1a2f163 100644 (file)
--- a/extra/rosetta-code/haversine-formula/haversine-formula.factor
+++ b/extra/rosetta-code/haversine-formula/haversine-formula.factor
@@ -1,6 +1,6 @@
 ! Copyright (c) 2012 Anonymous
 ! See https://factorcode.org/license.txt for BSD license.
-USING: arrays kernel math math.functions math.trig
+USING: arrays kernel math math.functions
 math.vectors sequences ;
 IN: rosetta-code.haversine-formula