diff --git cpp/src/plasma/client.cc cpp/src/plasma/client.cc
--- cpp/src/plasma/client.cc
+++ cpp/src/plasma/client.cc
@@ -22,4 +22,0 @@
-#ifdef _WIN32
-#include <Win32_Interop/win32_types.h>
-#endif
-
diff --git cpp/src/plasma/plasma.h cpp/src/plasma/plasma.h
--- cpp/src/plasma/plasma.h
+++ cpp/src/plasma/plasma.h
@@ -28,1 +28,0 @@
-#include <unistd.h>  // pid_t
--