diff --git a/src/cluster.c b/src/cluster.c
index fb45bd063f7b728859146e43adcaf46eef4bfe7f..6280677ae261adc3926831d327127cd5f29e9b28 100644
--- a/src/cluster.c
+++ b/src/cluster.c
@@ -358,6 +358,11 @@ void clusterSaveConfigOrDie(int do_fsync) {
  * On success REDIS_OK is returned, otherwise an error is logged and
  * the function returns REDIS_ERR to signal a lock was not acquired. */
 int clusterLockConfig(char *filename) {
+/* flock() does not exist on Solaris
+ * and a fcntl-based solution won't help, as we constantly re-open that file,
+ * which will release _all_ locks anyway
+ */
+#if !defined(__sun)
     /* To lock it, we need to open the file in a way it is created if
      * it does not exist, otherwise there is a race condition with other
      * processes. */
@@ -385,6 +390,8 @@ int clusterLockConfig(char *filename) {
     }
     /* Lock acquired: leak the 'fd' by not closing it, so that we'll retain the
      * lock to the file as long as the process exists. */
+#endif /* __sun */
+
     return REDIS_OK;
 }
 
diff --git a/src/redis.c b/src/redis.c
index 2a6bb47bb01390ea61ef43512d09a4a3d247abdf..b5ade925e42d7f1f1b9f6cc650e55423bdc8bbd8 100644
--- a/src/redis.c
+++ b/src/redis.c
@@ -53,7 +53,6 @@
 #include <sys/resource.h>
 #include <sys/utsname.h>
 #include <locale.h>
-#include <sys/sysctl.h>
 #include <sys/socket.h>
 
 /* Our shared "common" objects */