diff --git a/rosapps/net/finger/makefile b/rosapps/net/finger/makefile
index a23770ee563..4cb26ca3c96 100644
--- a/rosapps/net/finger/makefile
+++ b/rosapps/net/finger/makefile
@@ -9,6 +9,8 @@ TARGET_NAME = finger
 
 TARGET_SDKLIBS = ws2_32.a
 
+TARGET_CFLAGS = -D__USE_W32_SOCKETS
+
 TARGET_OBJECTS = $(TARGET_NAME).o \
 err.o \
 getopt.o \
diff --git a/rosapps/net/finger/various.h b/rosapps/net/finger/various.h
index f11081f414e..5ddbd8c0b89 100644
--- a/rosapps/net/finger/various.h
+++ b/rosapps/net/finger/various.h
@@ -4,26 +4,12 @@
 #ifndef VARIOUS_H
 #define VARIOUS_H
 
-/* types.h */
-typedef unsigned char u_char;
-typedef unsigned int u_int;
+
 typedef float f4byte_t;
 typedef double f8byte_t;
-//typedef __int16 s2byte_t;
-//typedef __int32 s4byte_t;
-//typedef __int64 s8byte_t;
-//typedef unsigned __int16 u2byte_t;
-//typedef unsigned __int32 u4byte_t;
-//typedef unsigned __int64 u8byte_t;
-//typedef __int32 quad_t;
-//typedef unsigned __int32 u_quad_t;
-//typedef unsigned __int16 u_int16_t;
-//typedef unsigned __int32 u_int32_t;
-
 typedef long uid_t;  // SunOS 5.5
 
 #define __P(x) x
-#define __STDC__ 1
 
 /* utmp.h */
 #define UT_LINESIZE 8
@@ -45,11 +31,4 @@ typedef long uid_t;  // SunOS 5.5
 #define index(s, c)  strchr(s, c)
 #define rindex(s, c)  strrchr(s, c)
 
-//#ifndef _WINSOCKAPI_
-//struct timeval {
-//        long    tv_sec;         /* seconds */
-//        long    tv_usec;        /* and microseconds */
-//};
-//#endif
-
-#endif
\ No newline at end of file
+#endif