diff --git a/libraries/chain/confidential_evaluator.cpp b/libraries/chain/confidential_evaluator.cpp
index 9946b492..9323d2d9 100644
--- a/libraries/chain/confidential_evaluator.cpp
+++ b/libraries/chain/confidential_evaluator.cpp
@@ -29,6 +29,8 @@
 #include <graphene/chain/fba_accumulator_id.hpp>
 #include <graphene/chain/hardfork.hpp>
 
+#include <fc/smart_ref_impl.hpp>
+
 namespace graphene { namespace chain {
 
 void_result transfer_to_blind_evaluator::do_evaluate( const transfer_to_blind_operation& o )
diff --git a/libraries/chain/market_evaluator.cpp b/libraries/chain/market_evaluator.cpp
index 27c31ae4..98f4e574 100644
--- a/libraries/chain/market_evaluator.cpp
+++ b/libraries/chain/market_evaluator.cpp
@@ -35,6 +35,7 @@
 #include <graphene/chain/protocol/market.hpp>
 
 #include <fc/uint128.hpp>
+#include <fc/smart_ref_impl.hpp>
 
 namespace graphene { namespace chain {
 void_result limit_order_create_evaluator::do_evaluate(const limit_order_create_operation& op)
diff --git a/libraries/plugins/debug_witness/debug_api.cpp b/libraries/plugins/debug_witness/debug_api.cpp
index 5c2d9a37..6236482b 100644
--- a/libraries/plugins/debug_witness/debug_api.cpp
+++ b/libraries/plugins/debug_witness/debug_api.cpp
@@ -2,6 +2,7 @@
 #include <fc/filesystem.hpp>
 #include <fc/optional.hpp>
 #include <fc/variant_object.hpp>
+#include <fc/smart_ref_impl.hpp>
 
 #include <graphene/app/application.hpp>