1 files changed, 6 insertions, 6 deletions
diff --git a/src/theory/quantifiers/sygus_sampler.cpp b/src/theory/quantifiers/sygus_sampler.cpp
index d4720ea7c..36602d3ae 100644
--- a/src/theory/quantifiers/sygus_sampler.cpp
+++ b/src/theory/quantifiers/sygus_sampler.cpp
@@ -323,8 +323,8 @@ bool SygusSampler::isContiguous(Node n)
 
 void SygusSampler::computeFreeVariables(Node n, std::vector<Node>& fvs)
 {
-  std::unordered_set<TNode, TNodeHashFunction> visited;
-  std::unordered_set<TNode, TNodeHashFunction>::iterator it;
+  std::unordered_set<TNode> visited;
+  std::unordered_set<TNode>::iterator it;
   std::vector<TNode> visit;
   TNode cur;
   visit.push_back(n);
@@ -359,8 +359,8 @@ bool SygusSampler::checkVariables(Node n, bool checkOrder, bool checkLinear)
   // compute free variables in n for each type
   std::map<unsigned, std::vector<Node> > fvs;
 
-  std::unordered_set<TNode, TNodeHashFunction> visited;
-  std::unordered_set<TNode, TNodeHashFunction>::iterator it;
+  std::unordered_set<TNode> visited;
+  std::unordered_set<TNode>::iterator it;
   std::vector<TNode> visit;
   TNode cur;
   visit.push_back(n);
@@ -411,8 +411,8 @@ bool SygusSampler::containsFreeVariables(Node a, Node b, bool strict)
   computeFreeVariables(a, fvs);
   std::vector<Node> fv_found;
 
-  std::unordered_set<TNode, TNodeHashFunction> visited;
-  std::unordered_set<TNode, TNodeHashFunction>::iterator it;
+  std::unordered_set<TNode> visited;
+  std::unordered_set<TNode>::iterator it;
   std::vector<TNode> visit;
   TNode cur;
   visit.push_back(b);