From a86b505ce72ce432a4937ecd08a4b68f60a03356 Mon Sep 17 00:00:00 2001
From: Jean-Paul Pelteret <jppelteret@gmail.com>
Date: Sat, 11 May 2019 21:23:34 +0200
Subject: [PATCH] Remove a default template parameter

---
 .../deal.II/differentiation/sd/symengine_scalar_operations.h    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/deal.II/differentiation/sd/symengine_scalar_operations.h b/include/deal.II/differentiation/sd/symengine_scalar_operations.h
index 3a3334adc6..5407745c39 100644
--- a/include/deal.II/differentiation/sd/symengine_scalar_operations.h
+++ b/include/deal.II/differentiation/sd/symengine_scalar_operations.h
@@ -553,7 +553,7 @@ namespace Differentiation
      *         expression type or be a special type that a user-defined
      *         @p SymbolicType can be constructed from.
      */
-    template <typename SymbolicType = SD::Expression, typename ValueType>
+    template <typename SymbolicType, typename ValueType>
     void
     set_value_in_symbol_map(
       types::substitution_map &                              substitution_map,
-- 
2.39.5