diff --git a/mm/mm_heap/mm_checkcorruption.c b/mm/mm_heap/mm_checkcorruption.c
index 6ad14aca402..5bafdbae0cb 100644
--- a/mm/mm_heap/mm_checkcorruption.c
+++ b/mm/mm_heap/mm_checkcorruption.c
@@ -25,7 +25,9 @@
 #include <nuttx/config.h>
 
 #include <assert.h>
+#include <sched.h>
 
+#include <nuttx/arch.h>
 #include <nuttx/mm/mm.h>
 #include <nuttx/irq.h>
 
@@ -79,7 +81,7 @@ void mm_checkcorruption(FAR struct mm_heap_s *heap)
 #if CONFIG_MM_REGIONS > 1
               continue;
 #else
-              return 0;
+              return;
 #endif
             }
 
diff --git a/net/tcp/tcp_input.c b/net/tcp/tcp_input.c
index f80ff17406b..330c21ca643 100644
--- a/net/tcp/tcp_input.c
+++ b/net/tcp/tcp_input.c
@@ -1152,11 +1152,15 @@ static void tcp_process_cache(FAR struct net_driver_s *dev, uint8_t domain,
 
           if (IFF_IS_IPv4(dev->d_flags))
             {
+#ifdef CONFIG_NET_IPv4
               tcp_ipv4_select(dev);
+#endif
             }
           else
             {
+#ifdef CONFIG_NET_IPv6
               tcp_ipv6_select(dev);
+#endif
             }
 
           tcp_input(dev, domain, iplen, NULL);
diff --git a/sched/pthread/pthread_create.c b/sched/pthread/pthread_create.c
index 6893c76a41e..46f036adfa2 100644
--- a/sched/pthread/pthread_create.c
+++ b/sched/pthread/pthread_create.c
@@ -26,6 +26,7 @@
 
 #include <sys/types.h>
 #include <stdbool.h>
+#include <stdio.h>
 #include <string.h>
 #include <pthread.h>
 #include <sched.h>