diff --git a/src/rpc/handlers/MPTokenIssuanceHistory.cpp b/src/rpc/handlers/MPTokenIssuanceHistory.cpp
index 813528ed3..b03d6b78c 100644
--- a/src/rpc/handlers/MPTokenIssuanceHistory.cpp
+++ b/src/rpc/handlers/MPTokenIssuanceHistory.cpp
@@ -1,7 +1,6 @@
 #include "rpc/handlers/MPTokenIssuanceHistory.hpp"
 
 #include "data/Types.hpp"
-#include "rpc/Errors.hpp"
 #include "rpc/JS.hpp"
 #include "rpc/RPCHelpers.hpp"
 #include "rpc/common/Types.hpp"
@@ -15,6 +14,7 @@
 #include <boost/json/value.hpp>
 #include <boost/json/value_from.hpp>
 #include <boost/json/value_to.hpp>
+#include <rpcspec/Errors.hpp>
 #include <xrpl/basics/base_uint.h>
 #include <xrpl/basics/chrono.h>
 #include <xrpl/basics/strHex.h>
diff --git a/tests/unit/rpc/BaseTests.cpp b/tests/unit/rpc/BaseTests.cpp
index c780e9c66..70f49b011 100644
--- a/tests/unit/rpc/BaseTests.cpp
+++ b/tests/unit/rpc/BaseTests.cpp
@@ -12,6 +12,7 @@
 #include <fmt/format.h>
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
+#include <rpcspec/Errors.hpp>
 #include <xrpl/protocol/AccountID.h>
 #include <xrpl/protocol/ErrorCodes.h>
 
diff --git a/tests/unit/rpc/RPCHelpersTests.cpp b/tests/unit/rpc/RPCHelpersTests.cpp
index 921e395ad..55fce5e97 100644
--- a/tests/unit/rpc/RPCHelpersTests.cpp
+++ b/tests/unit/rpc/RPCHelpersTests.cpp
@@ -1,5 +1,6 @@
 #include "data/AmendmentCenter.hpp"
 #include "data/Types.hpp"
+#include "rpc/Errors.hpp"
 #include "rpc/JS.hpp"
 #include "rpc/RPCHelpers.hpp"
 #include "rpc/common/Types.hpp"
@@ -24,6 +25,7 @@
 #include <fmt/format.h>
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
+#include <rpcspec/Errors.hpp>
 #include <xrpl/basics/Blob.h>
 #include <xrpl/basics/base_uint.h>
 #include <xrpl/protocol/AccountID.h>
diff --git a/tests/unit/web/LoadWarningTests.cpp b/tests/unit/web/LoadWarningTests.cpp
index c4adaf34a..d174981bb 100644
--- a/tests/unit/web/LoadWarningTests.cpp
+++ b/tests/unit/web/LoadWarningTests.cpp
@@ -1,7 +1,7 @@
-#include "rpc/Errors.hpp"
 #include "web/LoadWarning.hpp"
 
 #include <gtest/gtest.h>
+#include <rpcspec/Errors.hpp>
 
 #include <cstdint>
 #include <string>