diff --git a/src/os/aix/sigar_os.h b/src/os/aix/sigar_os.h
index b6b8cf79..294997ad 100644
--- a/src/os/aix/sigar_os.h
+++ b/src/os/aix/sigar_os.h
@@ -81,6 +81,4 @@ struct sigar_t {
 
 #define SIGAR_EPERM_KMEM (SIGAR_OS_START_ERROR+1)
 
-#define SIGAR_USE_NET_CONNECTION_LIST_WALKER
-
 #endif /* SIGAR_OS_H */
diff --git a/src/os/darwin/sigar_os.h b/src/os/darwin/sigar_os.h
index b68a4478..61ed2e15 100644
--- a/src/os/darwin/sigar_os.h
+++ b/src/os/darwin/sigar_os.h
@@ -35,6 +35,4 @@ struct sigar_t {
 #define SIGAR_EPERM_KMEM (SIGAR_OS_START_ERROR+EACCES)
 #define SIGAR_EPROC_NOENT (SIGAR_OS_START_ERROR+2)
 
-#define SIGAR_USE_NET_CONNECTION_LIST_WALKER
-
 #endif /* SIGAR_OS_H */
diff --git a/src/os/hpux/sigar_os.h b/src/os/hpux/sigar_os.h
index 457c2a75..4b678ebf 100644
--- a/src/os/hpux/sigar_os.h
+++ b/src/os/hpux/sigar_os.h
@@ -19,6 +19,4 @@ struct sigar_t {
 
 int hpux_get_mib_ifentry(int ppa, mib_ifEntry *mib);
 
-#define SIGAR_USE_NET_CONNECTION_LIST_WALKER
-
 #endif /* SIGAR_OS_H */
diff --git a/src/os/solaris/sigar_os.h b/src/os/solaris/sigar_os.h
index 9f75044a..480a0fe4 100644
--- a/src/os/solaris/sigar_os.h
+++ b/src/os/solaris/sigar_os.h
@@ -279,7 +279,5 @@ struct sigar_t {
 
 #define SIGAR_EMIB2 (SIGAR_OS_START_ERROR+1)
 
-#define SIGAR_USE_NET_CONNECTION_LIST_WALKER
-
 #endif /* SIGAR_OS_H */
 
diff --git a/src/sigar.c b/src/sigar.c
index 14b84ba4..c09150c8 100644
--- a/src/sigar.c
+++ b/src/sigar.c
@@ -719,10 +719,10 @@ SIGAR_DECLARE(const char *)sigar_net_connection_state_get(int state)
     }
 }
 
-#ifdef SIGAR_USE_NET_CONNECTION_LIST_WALKER
+#if !defined(__linux__)
 /* 
  * implement sigar_net_connection_list_get using sigar_net_connection_walk
- * linux has its own list_get impl.  other platforms still need walker impl
+ * linux has its own list_get impl.
  */  
 static int net_connection_list_walker(sigar_net_connection_walker_t *walker,
                                       sigar_net_connection_t *conn)