diff --git a/CMakeLists.txt b/CMakeLists.txt
index da38f3b524f..750e2e57e68 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -221,7 +221,7 @@ configure_file(${CMAKE_SOURCE_DIR}/libraries/softfloat/COPYING.txt
                ${CMAKE_BINARY_DIR}/licenses/eosio/LICENSE.softfloat COPYONLY)
 configure_file(${CMAKE_SOURCE_DIR}/libraries/wasm-jit/LICENSE
                ${CMAKE_BINARY_DIR}/licenses/eosio/LICENSE.wavm COPYONLY)
-configure_file(${CMAKE_SOURCE_DIR}/libraries/fc/secp256k1/upstream/COPYING
+configure_file(${CMAKE_SOURCE_DIR}/libraries/fc/secp256k1/secp256k1/COPYING
                ${CMAKE_BINARY_DIR}/licenses/eosio/LICENSE.secp256k1 COPYONLY)
 configure_file(${CMAKE_SOURCE_DIR}/libraries/fc/include/fc/crypto/webauthn_json/license.txt
                ${CMAKE_BINARY_DIR}/licenses/eosio/LICENSE.rapidjson COPYONLY)
@@ -243,7 +243,7 @@ file(DOWNLOAD https://raw.githubusercontent.com/jtv/libpqxx/master/COPYING
 install(FILES LICENSE DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/licenses/eosio/ COMPONENT base)
 install(FILES libraries/softfloat/COPYING.txt DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/licenses/eosio/ RENAME LICENSE.softfloat COMPONENT base)
 install(FILES libraries/wasm-jit/LICENSE DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/licenses/eosio/ RENAME LICENSE.wavm COMPONENT base)
-install(FILES libraries/fc/secp256k1/upstream/COPYING DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/licenses/eosio/ RENAME LICENSE.secp256k1 COMPONENT base)
+install(FILES libraries/fc/secp256k1/secp256k1/COPYING DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/licenses/eosio/ RENAME LICENSE.secp256k1 COMPONENT base)
 install(FILES libraries/fc/include/fc/crypto/webauthn_json/license.txt DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/licenses/eosio/ RENAME LICENSE.rapidjson COMPONENT base)
 install(FILES libraries/fc/src/network/LICENSE.go DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/licenses/eosio/ COMPONENT base)
 install(FILES libraries/yubihsm/LICENSE DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/licenses/eosio/ RENAME LICENSE.yubihsm COMPONENT base)
diff --git a/libraries/chain/include/eosio/chain/types.hpp b/libraries/chain/include/eosio/chain/types.hpp
index 15d36fb5f81..d8184035a29 100644
--- a/libraries/chain/include/eosio/chain/types.hpp
+++ b/libraries/chain/include/eosio/chain/types.hpp
@@ -74,9 +74,6 @@ namespace eosio { namespace chain {
    using                               fc::flat_multimap;
    using                               fc::flat_set;
    using                               std::variant;
-   using                               fc::ecc::range_proof_type;
-   using                               fc::ecc::range_proof_info;
-   using                               fc::ecc::commitment_type;
 
    using public_key_type  = fc::crypto::public_key;
    using private_key_type = fc::crypto::private_key;
diff --git a/libraries/fc b/libraries/fc
index 70d240ff95a..251bcf9d390 160000
--- a/libraries/fc
+++ b/libraries/fc
@@ -1 +1 @@
-Subproject commit 70d240ff95a64bd369ee743f12edeb2c2fceb882
+Subproject commit 251bcf9d390bbeb2864ea92351e806265ac5ad62