diff --git a/base-foc/include/base/ipc_pager.h b/base-foc/include/base/ipc_pager.h
index cdcfc6bae..e8b0eaea5 100644
--- a/base-foc/include/base/ipc_pager.h
+++ b/base-foc/include/base/ipc_pager.h
@@ -75,21 +75,10 @@ namespace Genode {
 			bool write_combined() const { return _write_combined; }
 
 			/**
-			 * Prepare map operation
-			 *
-			 * On Fiasco, we need to map a page locally to be able to map it to
-			 * another address space.
+			 * Prepare map operation is not needed on Fiasco.OC, since we clear the
+			 * dataspace before this function is called.
 			 */
-			void prepare_map_operation()
-			{
-				size_t mapping_size = 1 << _log2size;
-				for (addr_t i = 0; i < mapping_size; i += L4_PAGESIZE) {
-					if (_rw)
-						touch_read_write((unsigned char volatile *)(_src_addr + i));
-					else
-						touch_read((unsigned char const volatile *)(_src_addr + i));
-				}
-			}
+			void prepare_map_operation() { }
 	};
 
 
diff --git a/base-foc/src/core/platform.cc b/base-foc/src/core/platform.cc
index 8c73276b6..9d6fc80a1 100644
--- a/base-foc/src/core/platform.cc
+++ b/base-foc/src/core/platform.cc
@@ -250,8 +250,6 @@ static inline int sigma0_req_region(addr_t *addr, unsigned log2size)
 
 	*addr = l4_utcb_mr()->mr[0] & (~0UL << L4_PAGESHIFT);
 
-	touch_rw((void *)addr, 1);
-
 	return 0;
 }