1 files changed, 0 insertions, 77 deletions
diff --git a/src/proof/proof_output_channel.h b/src/proof/proof_output_channel.h
deleted file mode 100644
index 6a91bad7c..000000000
--- a/src/proof/proof_output_channel.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*********************                                                        */
-/*! \file proof_output_channel.h
- ** \verbatim
- ** Top contributors (to current version):
- **   Tim King, Guy Katz, Liana Hadarean
- ** This file is part of the CVC4 project.
- ** Copyright (c) 2009-2020 by the authors listed in the file AUTHORS
- ** in the top-level source directory) and their institutional affiliations.
- ** All rights reserved.  See the file COPYING in the top-level source
- ** directory for licensing information.\endverbatim
- **
- **/
-
-#include "cvc4_private.h"
-
-#ifndef CVC4__PROOF_OUTPUT_CHANNEL_H
-#define CVC4__PROOF_OUTPUT_CHANNEL_H
-
-#include <memory>
-#include <set>
-#include <unordered_set>
-
-#include "expr/node.h"
-#include "theory/output_channel.h"
-#include "theory/theory.h"
-#include "util/proof.h"
-
-namespace CVC4 {
-
-class ProofOutputChannel : public theory::OutputChannel {
- public:
-  ProofOutputChannel();
-  ~ProofOutputChannel() override {}
-
-  /**
-   * This may be called at most once per ProofOutputChannel.
-   * Requires that `n` and `pf` are non-null.
-   */
-  void conflict(TNode n, std::unique_ptr<Proof> pf) override;
-  bool propagate(TNode x) override;
-  theory::LemmaStatus lemma(TNode n, ProofRule rule, bool, bool, bool) override;
-  theory::LemmaStatus splitLemma(TNode, bool) override;
-  void requirePhase(TNode n, bool b) override;
-  void setIncomplete() override;
-
-  /** Has conflict() has been called? */
-  bool hasConflict() const { return !d_conflict.isNull(); }
-
-  /**
-   * Returns the proof passed into the conflict() call.
-   * Requires hasConflict() to hold.
-   */
-  const Proof& getConflictProof() const;
-  Node getLastLemma() const { return d_lemma; }
-
- private:
-  Node d_conflict;
-  std::unique_ptr<Proof> d_proof;
-  Node d_lemma;
-  std::set<Node> d_propagations;
-}; /* class ProofOutputChannel */
-
-class MyPreRegisterVisitor {
-  theory::Theory* d_theory;
-  std::unordered_set<TNode, TNodeHashFunction> d_visited;
-public:
-  typedef void return_type;
-  MyPreRegisterVisitor(theory::Theory* theory);
-  bool alreadyVisited(TNode current, TNode parent);
-  void visit(TNode current, TNode parent);
-  void start(TNode node);
-  void done(TNode node);
-}; /* class MyPreRegisterVisitor */
-
-} /* CVC4 namespace */
-
-#endif /* CVC4__PROOF_OUTPUT_CHANNEL_H */