diff --git a/src/ripple/app/misc/impl/Manifest.cpp b/src/ripple/app/misc/impl/Manifest.cpp
index 6073d41eb..4876701d8 100644
--- a/src/ripple/app/misc/impl/Manifest.cpp
+++ b/src/ripple/app/misc/impl/Manifest.cpp
@@ -30,7 +30,6 @@
 #include <ripple/protocol/Sign.h>
 #include <boost/algorithm/clamp.hpp>
 #include <boost/algorithm/string/trim.hpp>
-#include <boost/regex.hpp>
 #include <numeric>
 #include <stdexcept>
 
diff --git a/src/ripple/app/misc/impl/ValidatorSite.cpp b/src/ripple/app/misc/impl/ValidatorSite.cpp
index 34195a9d1..701474122 100644
--- a/src/ripple/app/misc/impl/ValidatorSite.cpp
+++ b/src/ripple/app/misc/impl/ValidatorSite.cpp
@@ -28,7 +28,6 @@
 #include <ripple/protocol/digest.h>
 #include <ripple/protocol/jss.h>
 #include <boost/algorithm/clamp.hpp>
-#include <boost/regex.hpp>
 #include <algorithm>
 
 namespace ripple {
diff --git a/src/ripple/conditions/impl/Condition.cpp b/src/ripple/conditions/impl/Condition.cpp
index af8c9eadb..8a1d30916 100644
--- a/src/ripple/conditions/impl/Condition.cpp
+++ b/src/ripple/conditions/impl/Condition.cpp
@@ -22,7 +22,6 @@
 #include <ripple/conditions/Fulfillment.h>
 #include <ripple/conditions/impl/PreimageSha256.h>
 #include <ripple/conditions/impl/utils.h>
-#include <boost/regex.hpp>
 #include <iostream>
 #include <vector>
 
diff --git a/src/ripple/conditions/impl/Fulfillment.cpp b/src/ripple/conditions/impl/Fulfillment.cpp
index eaeabe26e..ff47e3864 100644
--- a/src/ripple/conditions/impl/Fulfillment.cpp
+++ b/src/ripple/conditions/impl/Fulfillment.cpp
@@ -22,7 +22,6 @@
 #include <ripple/conditions/Fulfillment.h>
 #include <ripple/conditions/impl/PreimageSha256.h>
 #include <ripple/conditions/impl/utils.h>
-#include <boost/regex.hpp>
 #include <type_traits>
 #include <vector>
 
diff --git a/src/ripple/rpc/impl/ServerHandlerImp.cpp b/src/ripple/rpc/impl/ServerHandlerImp.cpp
index fd056a346..b2f52e9a5 100644
--- a/src/ripple/rpc/impl/ServerHandlerImp.cpp
+++ b/src/ripple/rpc/impl/ServerHandlerImp.cpp
@@ -45,7 +45,6 @@
 #include <boost/algorithm/string.hpp>
 #include <boost/beast/http/fields.hpp>
 #include <boost/beast/http/string_body.hpp>
-#include <boost/regex.hpp>
 #include <boost/type_traits.hpp>
 #include <algorithm>
 #include <mutex>