From eed67c28c1419bb1abd3ab898d9bd0e6edf010fc Mon Sep 17 00:00:00 2001
From: Isuru Fernando <idf2@illinois.edu>
Date: Mon, 13 Sep 2021 15:56:47 -0500
Subject: [PATCH] remove deprecation of specifying the direction vector name

---
 sumpy/kernel.py | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/sumpy/kernel.py b/sumpy/kernel.py
index 2f5c3356..e365f560 100644
--- a/sumpy/kernel.py
+++ b/sumpy/kernel.py
@@ -1087,10 +1087,6 @@ class DirectionalDerivative(DerivativeBase):
     def __init__(self, inner_kernel, dir_vec_name=None):
         if dir_vec_name is None:
             dir_vec_name = self.directional_kind + "_derivative_dir"
-        else:
-            from warnings import warn
-            warn("specified the name of the direction vector",
-                    stacklevel=2)
 
         KernelWrapper.__init__(self, inner_kernel)
         self.dir_vec_name = dir_vec_name
-- 
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