diff --git a/folly/io/async/AsyncSocket.cpp b/folly/io/async/AsyncSocket.cpp
index 9b90df86211..8f7b4324d9f 100644
--- a/folly/io/async/AsyncSocket.cpp
+++ b/folly/io/async/AsyncSocket.cpp
@@ -19,14 +19,9 @@
 #include <sys/types.h>
 
 #include <cerrno>
-#include <climits>
 #include <sstream>
-#include <thread>
-
-#include <boost/preprocessor/control/if.hpp>
 
 #include <folly/Exception.h>
-#include <folly/ExceptionWrapper.h>
 #include <folly/Format.h>
 #include <folly/Portability.h>
 #include <folly/SocketAddress.h>
diff --git a/folly/io/async/BUCK b/folly/io/async/BUCK
index ca145619ac4..fd926298cb8 100644
--- a/folly/io/async/BUCK
+++ b/folly/io/async/BUCK
@@ -145,7 +145,6 @@ cpp_library(
     headers = ["AsyncSocket.h"],
     deps = [
         "//folly:exception",
-        "//folly:exception_wrapper",
         "//folly:format",
         "//folly:portability",
         "//folly:string",
@@ -175,9 +174,6 @@ cpp_library(
         "//folly/net:tcpinfo_dispatcher",
         "//folly/portability:sockets",
     ],
-    external_deps = [
-        ("boost", None, "boost_preprocessor"),
-    ],
 )
 
 cpp_library(
@@ -380,7 +376,6 @@ cpp_library(
     headers = ["Request.h"],
     deps = [
         "//folly:glog",
-        "//folly:map_util",
         "//folly/experimental:single_writer_fixed_hash_map",
         "//folly/tracing:static_tracepoint",
     ],
diff --git a/folly/io/async/Request.cpp b/folly/io/async/Request.cpp
index f4673698500..3f688d75055 100644
--- a/folly/io/async/Request.cpp
+++ b/folly/io/async/Request.cpp
@@ -17,9 +17,7 @@
 #include <folly/io/async/Request.h>
 
 #include <folly/GLog.h>
-#include <folly/MapUtil.h>
 #include <folly/experimental/SingleWriterFixedHashMap.h>
-#include <folly/synchronization/Hazptr.h>
 #include <folly/tracing/StaticTracepoint.h>
 
 namespace folly {