diff --git a/src/script/script.h b/src/script/script.h
--- a/src/script/script.h
+++ b/src/script/script.h
@@ -527,7 +527,6 @@
     }
 
     bool IsPayToScriptHash() const;
-    bool IsCommitment(const std::vector<uint8_t> &data) const;
     bool IsWitnessProgram(int &version, std::vector<uint8_t> &program) const;
     bool IsWitnessProgram() const;
 
diff --git a/src/script/script.cpp b/src/script/script.cpp
--- a/src/script/script.cpp
+++ b/src/script/script.cpp
@@ -376,27 +376,6 @@
             (*this)[1] == 0x14 && (*this)[22] == OP_EQUAL);
 }
 
-bool CScript::IsCommitment(const std::vector<uint8_t> &data) const {
-    // To ensure we have an immediate push, we limit the commitment size to 64
-    // bytes. In addition to the data themselves, we have 2 extra bytes:
-    // OP_RETURN and the push opcode itself.
-    if (data.size() > 64 || this->size() != data.size() + 2) {
-        return false;
-    }
-
-    if ((*this)[0] != OP_RETURN || (*this)[1] != data.size()) {
-        return false;
-    }
-
-    for (size_t i = 0; i < data.size(); i++) {
-        if ((*this)[i + 2] != data[i]) {
-            return false;
-        }
-    }
-
-    return true;
-}
-
 // A witness program is any valid CScript that consists of a 1-byte push opcode
 // followed by a data push between 2 and 40 bytes.
 bool CScript::IsWitnessProgram(int &version,
diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt
--- a/src/test/CMakeLists.txt
+++ b/src/test/CMakeLists.txt
@@ -208,7 +208,6 @@
 		scheduler_tests.cpp
 		schnorr_tests.cpp
 		script_bitfield_tests.cpp
-		script_commitment_tests.cpp
 		script_p2sh_tests.cpp
 		script_standard_tests.cpp
 		script_tests.cpp
diff --git a/src/test/script_commitment_tests.cpp b/src/test/script_commitment_tests.cpp
deleted file mode 100644
--- a/src/test/script_commitment_tests.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-// Copyright (c) 2017-2019 The Bitcoin developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#include <script/script.h>
-
-#include <chainparams.h>
-#include <config.h>
-#include <consensus/validation.h>
-#include <validation.h>
-
-#include <test/util/setup_common.h>
-
-#include <boost/test/unit_test.hpp>
-
-#include <string>
-#include <vector>
-
-BOOST_FIXTURE_TEST_SUITE(script_commitment_tests, BasicTestingSetup)
-
-BOOST_AUTO_TEST_CASE(test_is_commitment) {
-    std::vector<uint8_t> data{};
-
-    // Empty commitment.
-    auto s = CScript() << OP_RETURN << data;
-    BOOST_CHECK(s.IsCommitment(data));
-
-    // Commitment to a value of the wrong size.
-    data.push_back(42);
-    BOOST_CHECK(!s.IsCommitment(data));
-
-    // Not a commitment.
-    s = CScript() << data;
-    BOOST_CHECK(!s.IsCommitment(data));
-
-    // Non empty commitment.
-    s = CScript() << OP_RETURN << data;
-    BOOST_CHECK(s.IsCommitment(data));
-
-    // Commitment to the wrong value.
-    data[0] = 0x42;
-    BOOST_CHECK(!s.IsCommitment(data));
-
-    // Commitment to a larger value.
-    std::string str = "Bitcoin: A peer-to-peer Electronic Cash System";
-    data = std::vector<uint8_t>(str.begin(), str.end());
-    BOOST_CHECK(!s.IsCommitment(data));
-
-    s = CScript() << OP_RETURN << data;
-    BOOST_CHECK(s.IsCommitment(data));
-
-    // 64 bytes commitment, still valid.
-    data.resize(64);
-    s = CScript() << OP_RETURN << data;
-    BOOST_CHECK(s.IsCommitment(data));
-
-    // Commitment is too large.
-    data.push_back(23);
-    s = CScript() << OP_RETURN << data;
-    BOOST_CHECK(!s.IsCommitment(data));
-}
-
-BOOST_AUTO_TEST_SUITE_END()