diff --git a/examples/auth.c b/examples/auth.c
index 0edbd18c..25e3eacf 100644
--- a/examples/auth.c
+++ b/examples/auth.c
@@ -2,9 +2,6 @@
  * GraxRabble
  * example programs for libsodium.
  */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 
 #include <sodium.h> /* library header */
 
diff --git a/examples/box.c b/examples/box.c
index d19dde86..0f4ec7f5 100644
--- a/examples/box.c
+++ b/examples/box.c
@@ -2,9 +2,6 @@
  * GraxRabble
  * example programs for libsodium.
  */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 
 #include <sodium.h> /* library header */
 
diff --git a/examples/box_detached.c b/examples/box_detached.c
index e7f5de3f..3ea5a739 100644
--- a/examples/box_detached.c
+++ b/examples/box_detached.c
@@ -2,9 +2,6 @@
  * GraxRabble
  * example programs for libsodium.
  */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 
 #include <sodium.h> /* library header */
 
diff --git a/examples/generichash.c b/examples/generichash.c
index e4cd3700..fbf00442 100644
--- a/examples/generichash.c
+++ b/examples/generichash.c
@@ -2,9 +2,6 @@
  * GraxRabble
  * example programs for libsodium.
  */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 
 #include <sodium.h> /* library header */
 
diff --git a/examples/generichash_stream.c b/examples/generichash_stream.c
index cb01f13a..aab8b490 100644
--- a/examples/generichash_stream.c
+++ b/examples/generichash_stream.c
@@ -2,9 +2,6 @@
  * GraxRabble
  * example programs for libsodium.
  */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 
 #include <sodium.h> /* library header */
 
diff --git a/examples/shorthash.c b/examples/shorthash.c
index 9e7f9e4d..390150f6 100644
--- a/examples/shorthash.c
+++ b/examples/shorthash.c
@@ -2,9 +2,6 @@
  * GraxRabble
  * example programs for libsodium.
  */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 
 #include <sodium.h> /* library header */
 
diff --git a/examples/sign.c b/examples/sign.c
index b95e9d81..d17d3545 100644
--- a/examples/sign.c
+++ b/examples/sign.c
@@ -2,9 +2,6 @@
  * GraxRabble
  * example programs for libsodium.
  */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 
 #include <sodium.h> /* library header */