diff --git a/drivers/net/wwan/iosm/iosm_ipc_mmio.h b/drivers/net/wwan/iosm/iosm_ipc_mmio.h
index bcf77aea06e7..45e6923da78f 100644
--- a/drivers/net/wwan/iosm/iosm_ipc_mmio.h
+++ b/drivers/net/wwan/iosm/iosm_ipc_mmio.h
@@ -120,16 +120,6 @@ void ipc_mmio_set_psi_addr_and_size(struct iosm_mmio *ipc_mmio, dma_addr_t addr,
 void ipc_mmio_set_contex_info_addr(struct iosm_mmio *ipc_mmio,
 				   phys_addr_t addr);
 
-/**
- * ipc_mmio_get_cp_version - Write context info and AP memory range addresses.
- *			     This needs to be called when CP is in
- *			     IPC_MEM_DEVICE_IPC_INIT state
- * @ipc_mmio:	Pointer to mmio instance
- *
- * Returns: cp version else failure value on error
- */
-int ipc_mmio_get_cp_version(struct iosm_mmio *ipc_mmio);
-
 /**
  * ipc_mmio_get_cp_version - Get the CP IPC version
  * @ipc_mmio:	Pointer to mmio instance