diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index 9a0ea2cbf9112f093a9598884ea9ec2c4b0708a7..47325f23c51f2b325ba30fd8cd89d972ed2a0318 100644
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -185,8 +185,6 @@ void __init MMU_init(void)
 	/* Map in I/O resources */
 	if (ppc_md.progress)
 		ppc_md.progress("MMU:setio", 0x302);
-	if (ppc_md.setup_io_mappings)
-		ppc_md.setup_io_mappings();
 
 	/* Initialize the context management stuff */
 	mmu_context_init();
diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
index b95386aed50d15bd1063ea39d228e189d6df1491..54ed64df95b878c26ae7ac6a3d91865acdf99849 100644
--- a/include/asm-powerpc/machdep.h
+++ b/include/asm-powerpc/machdep.h
@@ -198,9 +198,6 @@ struct machdep_calls {
 	   May be NULL. */
 	void		(*init)(void);
 
-	void		(*setup_io_mappings)(void);
-
-	void		(*early_serial_map)(void);
 	void		(*kgdb_map_scc)(void);
 
 	/*