1 files changed, 4 insertions, 3 deletions
diff --git a/src/proof/theory_proof.h b/src/proof/theory_proof.h
index 541e4ce82..15ac533b7 100644
--- a/src/proof/theory_proof.h
+++ b/src/proof/theory_proof.h
@@ -20,8 +20,9 @@
 #ifndef __CVC4__THEORY_PROOF_H
 #define __CVC4__THEORY_PROOF_H
 
-#include <ext/hash_set>
 #include <iosfwd>
+#include <unordered_map>
+#include <unordered_set>
 
 #include "expr/expr.h"
 #include "proof/clause_id.h"
@@ -35,11 +36,11 @@ namespace theory {
 class Theory;
 } /* namespace CVC4::theory */
 
-typedef __gnu_cxx::hash_map < ClauseId, prop::SatClause* > IdToSatClause;
+typedef std::unordered_map < ClauseId, prop::SatClause* > IdToSatClause;
 
 class TheoryProof;
 
-typedef __gnu_cxx::hash_set<Expr, ExprHashFunction > ExprSet;
+typedef std::unordered_set<Expr, ExprHashFunction > ExprSet;
 typedef std::map<theory::TheoryId, TheoryProof* > TheoryProofTable;
 
 typedef std::set<theory::TheoryId> TheoryIdSet;