diff --git a/src/include/extensions/math.h b/src/include/extensions/math.h
index 394fb0e..5887bf3 100644
--- a/src/include/extensions/math.h
+++ b/src/include/extensions/math.h
@@ -16,7 +16,6 @@ regFunc1(tan)
 regFunc1(asin)
 regFunc1(acos)
 regFunc1(atan)
-regFunc1(atan2)
 regFunc1(sinh)
 regFunc1(cosh)
 regFunc1(tanh)