diff --git a/rust/kernel/clk.rs b/rust/kernel/clk.rs
index db3464e2df32..4059aff34d09 100644
--- a/rust/kernel/clk.rs
+++ b/rust/kernel/clk.rs
@@ -104,13 +104,12 @@ mod common_clk {
     /// The following example demonstrates how to obtain and configure a clock for a device.
     ///
     /// ```
-    /// use kernel::c_str;
     /// use kernel::clk::{Clk, Hertz};
     /// use kernel::device::Device;
     /// use kernel::error::Result;
     ///
     /// fn configure_clk(dev: &Device) -> Result {
-    ///     let clk = Clk::get(dev, Some(c_str!("apb_clk")))?;
+    ///     let clk = Clk::get(dev, Some(c"apb_clk"))?;
     ///
     ///     clk.prepare_enable()?;
     ///
@@ -272,13 +271,12 @@ mod common_clk {
     /// device. The code functions correctly whether or not the clock is available.
     ///
     /// ```
-    /// use kernel::c_str;
     /// use kernel::clk::{OptionalClk, Hertz};
     /// use kernel::device::Device;
     /// use kernel::error::Result;
     ///
     /// fn configure_clk(dev: &Device) -> Result {
-    ///     let clk = OptionalClk::get(dev, Some(c_str!("apb_clk")))?;
+    ///     let clk = OptionalClk::get(dev, Some(c"apb_clk"))?;
     ///
     ///     clk.prepare_enable()?;
     ///