diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json
index 2480ff9a24..851c6ea7f1 100644
--- a/Godeps/Godeps.json
+++ b/Godeps/Godeps.json
@@ -17,8 +17,8 @@
 		},
 		{
 			"ImportPath": "github.com/ethereum/ethash",
-			"Comment": "v23.1-195-g4d50db9",
-			"Rev": "4d50db90d8bb5f2fae357570366cb8c657a4ddfc"
+			"Comment": "v23.1-198-g56a22a5",
+			"Rev": "56a22a5784aef3565e80a9620ef2064dff920f8e"
 		},
 		{
 			"ImportPath": "github.com/howeyc/fsnotify",
diff --git a/Godeps/_workspace/src/github.com/ethereum/ethash/ethashc.go b/Godeps/_workspace/src/github.com/ethereum/ethash/ethashc.go
index 25863828fb..8844073e97 100644
--- a/Godeps/_workspace/src/github.com/ethereum/ethash/ethashc.go
+++ b/Godeps/_workspace/src/github.com/ethereum/ethash/ethashc.go
@@ -10,7 +10,6 @@ package ethash
 #include "src/libethash/io.c"
 
 #ifdef _WIN32
-#	include "src/libethash/util_win32.c"
 #	include "src/libethash/io_win32.c"
 #	include "src/libethash/mmap_win32.c"
 #else