diff --git a/rust/helpers/io.c b/rust/helpers/io.c
index 397810864a24..1edbc274951c 100644
--- a/rust/helpers/io.c
+++ b/rust/helpers/io.c
@@ -3,6 +3,7 @@
 #include <linux/io.h>
 #include <linux/ioport.h>
 
+#ifdef CONFIG_HAS_IOMEM
 __rust_helper void __iomem *rust_helper_ioremap(phys_addr_t offset, size_t size)
 {
 	return ioremap(offset, size);
@@ -18,6 +19,7 @@ __rust_helper void rust_helper_iounmap(void __iomem *addr)
 {
 	iounmap(addr);
 }
+#endif /* CONFIG_HAS_IOMEM */
 
 __rust_helper u8 rust_helper_readb(const void __iomem *addr)
 {
diff --git a/rust/kernel/io.rs b/rust/kernel/io.rs
index fcc7678fd9e3..d30bb5c6d4fc 100644
--- a/rust/kernel/io.rs
+++ b/rust/kernel/io.rs
@@ -9,6 +9,7 @@
     prelude::*, //
 };
 
+#[cfg(CONFIG_HAS_IOMEM)]
 pub mod mem;
 pub mod poll;
 pub mod register;
diff --git a/rust/kernel/platform.rs b/rust/kernel/platform.rs
index 9b362e0495d3..d41555a4b31d 100644
--- a/rust/kernel/platform.rs
+++ b/rust/kernel/platform.rs
@@ -17,10 +17,7 @@
         from_result,
         to_result, //
     },
-    io::{
-        mem::IoRequest,
-        Resource, //
-    },
+    io::Resource,
     irq::{
         self,
         IrqRequest, //
@@ -31,6 +28,9 @@
     ThisModule, //
 };
 
+#[cfg(CONFIG_HAS_IOMEM)]
+use crate::io::mem::IoRequest;
+
 use core::{
     marker::PhantomData,
     mem::offset_of,
@@ -307,6 +307,7 @@ pub fn resource_by_name(&self, name: &CStr) -> Option<&Resource> {
     }
 }
 
+#[cfg(CONFIG_HAS_IOMEM)]
 impl Device<Bound> {
     /// Returns an `IoRequest` for the resource at `index`, if any.
     pub fn io_request_by_index(&self, index: u32) -> Option<IoRequest<'_>> {