diff --git a/legacy/eet/src/lib/eet_cipher.c b/legacy/eet/src/lib/eet_cipher.c
index ea9c2702a4..d0cf2e8592 100644
--- a/legacy/eet/src/lib/eet_cipher.c
+++ b/legacy/eet/src/lib/eet_cipher.c
@@ -6,9 +6,12 @@
 #include <string.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <unistd.h>
 #include <sys/mman.h>
 
+#ifndef _MSC_VER
+# include <unistd.h>
+#endif
+
 #ifdef HAVE_NETINET_IN_H
 # include <netinet/in.h>
 #endif
diff --git a/legacy/eet/src/lib/eet_lib.c b/legacy/eet/src/lib/eet_lib.c
index fdd491039b..cef16e36b1 100644
--- a/legacy/eet/src/lib/eet_lib.c
+++ b/legacy/eet/src/lib/eet_lib.c
@@ -36,9 +36,12 @@ void *alloca (size_t);
 #include <string.h>
 #include <fnmatch.h>
 #include <fcntl.h>
-#include <unistd.h>
 #include <zlib.h>
 
+#ifndef _MSC_VER
+# include <unistd.h>
+#endif
+
 #ifdef HAVE_OPENSSL
 #include <openssl/err.h>
 #endif