diff --git a/examples/kernel-grub-multiboot2/Makefile b/examples/kernel-grub-multiboot2/Makefile
index f253800..1d3aee9 100644
--- a/examples/kernel-grub-multiboot2/Makefile
+++ b/examples/kernel-grub-multiboot2/Makefile
@@ -1,3 +1,5 @@
+all: run
+
 CCPREFIX = i386-elftailix-
 
 AS = $(CCPREFIX)as
@@ -23,14 +25,9 @@ CFLAGS = \
 
 OBJS = main.c.o start.S.o
 
-all: run0
-
-run0: $(IMAGE)
+run: $(IMAGE)
 	qemu-system-i386 -cdrom $< -serial stdio -display none
 
-run1: $(IMAGE)
-	qemu-system-i386 -cdrom $< -serial stdio
-
 clean:
 	rm -f $(IMAGE) $(KERNEL) $(OBJS)
 
diff --git a/examples/kernel-grub-multiboot2/main.c b/examples/kernel-grub-multiboot2/main.c
index fc19b45..db7429a 100644
--- a/examples/kernel-grub-multiboot2/main.c
+++ b/examples/kernel-grub-multiboot2/main.c
@@ -4,12 +4,10 @@
 #include <kernaux/asm/i386.h>
 #include <kernaux/drivers/console.h>
 #include <kernaux/multiboot2.h>
-#include <kernaux/printf.h>
 
 void halt();
 
 static void panic(const char *str);
-static void printf(const char *format, ...);
 
 void main(
     const uint32_t multiboot2_magic,
@@ -23,7 +21,7 @@ void main(
         panic("Multiboot 2 info is invalid");
     }
 
-    KernAux_Multiboot2_print(multiboot2_info, printf);
+    KernAux_Multiboot2_print(multiboot2_info, kernaux_console_printf);
 }
 
 void halt()
@@ -33,15 +31,6 @@ void halt()
 
 void panic(const char *const str)
 {
-    printf("panic: %s\n", str);
+    kernaux_console_printf("panic: %s\n", str);
     kernaux_asm_i386_hang();
 }
-
-void printf(const char *const format, ...)
-{
-    va_list va;
-
-    va_start(va, format);
-    kernaux_printf_va(kernaux_console_putc, format, va);
-    va_end(va);
-}