diff --git a/lib/System/Cygwin/DynamicLibrary.cpp b/lib/System/Cygwin/DynamicLibrary.cpp
index 68644880a5c..35cb637f03e 100644
--- a/lib/System/Cygwin/DynamicLibrary.cpp
+++ b/lib/System/Cygwin/DynamicLibrary.cpp
@@ -12,7 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 // Include the generic unix implementation
-#include "../Unix/DynamicLibrary.cpp"
+#include "Unix/DynamicLibrary.cpp"
 
 namespace llvm {
 using namespace sys;
diff --git a/lib/System/Cygwin/MappedFile.cpp b/lib/System/Cygwin/MappedFile.cpp
index 09a05757fbe..94338de2c4c 100644
--- a/lib/System/Cygwin/MappedFile.cpp
+++ b/lib/System/Cygwin/MappedFile.cpp
@@ -13,6 +13,6 @@
 //===----------------------------------------------------------------------===//
 
 // Include the generic unix implementation
-#include "../Unix/MappedFile.cpp"
+#include "Unix/MappedFile.cpp"
 
 // vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
diff --git a/lib/System/Cygwin/Memory.cpp b/lib/System/Cygwin/Memory.cpp
index 87d29dec466..39d87e29b04 100644
--- a/lib/System/Cygwin/Memory.cpp
+++ b/lib/System/Cygwin/Memory.cpp
@@ -13,7 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 // Include the generic unix implementation
-#include "../Unix/Memory.cpp"
+#include "Unix/Memory.cpp"
 #include "llvm/System/Process.h"
 #include <sys/types.h>
 #include <sys/mman.h>
diff --git a/lib/System/Cygwin/Path.cpp b/lib/System/Cygwin/Path.cpp
index 43dae2f982b..b159b547ea9 100644
--- a/lib/System/Cygwin/Path.cpp
+++ b/lib/System/Cygwin/Path.cpp
@@ -17,7 +17,7 @@
 //===----------------------------------------------------------------------===//
 
 // Include the generic Unix implementation
-#include "../Unix/Path.cpp"
+#include "Unix/Path.cpp"
 
 namespace llvm {
 using namespace sys;
diff --git a/lib/System/Cygwin/Process.cpp b/lib/System/Cygwin/Process.cpp
index 46bcbcc4fc8..d1d86289153 100644
--- a/lib/System/Cygwin/Process.cpp
+++ b/lib/System/Cygwin/Process.cpp
@@ -12,7 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 // Include the generic Unix implementation
-#include "../Unix/Process.cpp"
+#include "Unix/Process.cpp"
 
 //===----------------------------------------------------------------------===//
 //=== WARNING: Implementation here must contain only Cygwin specific code 
diff --git a/lib/System/Cygwin/Program.cpp b/lib/System/Cygwin/Program.cpp
index 2de0c3b2ea8..a521e206644 100644
--- a/lib/System/Cygwin/Program.cpp
+++ b/lib/System/Cygwin/Program.cpp
@@ -12,7 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 // Include the generic Unix implementation
-#include "../Unix/Program.cpp"
+#include "Unix/Program.cpp"
 
 //===----------------------------------------------------------------------===//
 //=== WARNING: Implementation here must contain only Cygwin specific code 
diff --git a/lib/System/Cygwin/Signals.cpp b/lib/System/Cygwin/Signals.cpp
index 8dc8322186b..eb514167d6d 100644
--- a/lib/System/Cygwin/Signals.cpp
+++ b/lib/System/Cygwin/Signals.cpp
@@ -12,7 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 // Include the generic unix implementation
-#include "../Unix/Signals.cpp"
+#include "Unix/Signals.cpp"
 
 namespace llvm {
 using namespace sys;
diff --git a/lib/System/Cygwin/SysConfig.cpp b/lib/System/Cygwin/SysConfig.cpp
index a42cddcdcc5..a32a701cf90 100644
--- a/lib/System/Cygwin/SysConfig.cpp
+++ b/lib/System/Cygwin/SysConfig.cpp
@@ -12,7 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 // Include the generic unix implementation
-#include "../Unix/SysConfig.cpp"
+#include "Unix/SysConfig.cpp"
 
 namespace llvm {
 using namespace sys;
diff --git a/lib/System/Cygwin/TimeValue.cpp b/lib/System/Cygwin/TimeValue.cpp
index 85a0e4d4dca..7a31b0b03f0 100644
--- a/lib/System/Cygwin/TimeValue.cpp
+++ b/lib/System/Cygwin/TimeValue.cpp
@@ -12,7 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 // Include the generic Unix implementation
-#include "../Unix/TimeValue.cpp"
+#include "Unix/TimeValue.cpp"
 
 namespace llvm {
 using namespace sys;