diff --git a/tests/drivers/pinmux/README.txt b/tests/drivers/pinmux/README.txt
index 69a90114e02..ad00aecc30c 100644
--- a/tests/drivers/pinmux/README.txt
+++ b/tests/drivers/pinmux/README.txt
@@ -1,3 +1,3 @@
 This is simply to build pinmux drivers to catch build breakage.
 
-The source code comes from samples/hello_world/nanokernel.
+The source code comes from samples/hello_world.
diff --git a/tests/drivers/pinmux/src/main.c b/tests/drivers/pinmux/src/main.c
index c2f787ee6a1..b7e013e7ada 100644
--- a/tests/drivers/pinmux/src/main.c
+++ b/tests/drivers/pinmux/src/main.c
@@ -17,16 +17,7 @@
 #include <zephyr.h>
 #include <misc/printk.h>
 
-
-/*
- * @file
- * @brief Hello World demo
- * Nanokernel version of hello world demo
- */
-
-
 void main(void)
 {
-	printk("Hello World!\n");
+	printk("Hello World! %s\n", CONFIG_ARCH);
 }
-