diff --git a/examples/cmdline.c b/examples/cmdline.c
index 6635fc6..abaa542 100644
--- a/examples/cmdline.c
+++ b/examples/cmdline.c
@@ -1,7 +1,6 @@
 #include <kernaux/cmdline.h>
 
 #include <assert.h>
-#include <stdio.h>
 #include <string.h>
 
 static const unsigned int ARGV_COUNT_MAX = 100;
@@ -31,7 +30,5 @@ int main()
     assert(strcmp(argv[0], "foo") == 0);
     assert(strcmp(argv[1], "bar car") == 0);
 
-    printf("OK!\n");
-
     return 0;
 }
diff --git a/examples/printf.c b/examples/printf.c
index 54afabe..71009ce 100644
--- a/examples/printf.c
+++ b/examples/printf.c
@@ -1,7 +1,6 @@
 #include <kernaux/printf.h>
 
 #include <assert.h>
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -20,6 +19,5 @@ int main()
 {
     kernaux_printf(my_putchar, "Hello, %s! Session ID: %u.", "Alex", 123);
     assert(strcmp(buffer, "Hello, Alex! Session ID: 123.") == 0);
-    printf("OK!\n");
     return 0;
 }
diff --git a/examples/printf_va.c b/examples/printf_va.c
index 8600ade..e628bd6 100644
--- a/examples/printf_va.c
+++ b/examples/printf_va.c
@@ -1,7 +1,6 @@
 #include <kernaux/printf.h>
 
 #include <assert.h>
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -28,6 +27,5 @@ int main()
 {
     my_printf("Hello, %s! Session ID: %u.", "Alex", 123);
     assert(strcmp(buffer, "Hello, Alex! Session ID: 123.") == 0);
-    printf("OK!\n");
     return 0;
 }