diff --git a/repos/os/src/server/blk_cache/driver.h b/repos/os/src/server/blk_cache/driver.h
index 08dc5205d5..9790083a13 100644
--- a/repos/os/src/server/blk_cache/driver.h
+++ b/repos/os/src/server/blk_cache/driver.h
@@ -5,7 +5,7 @@
  */
 
 /*
- * Copyright (C) 2013 Genode Labs GmbH
+ * Copyright (C) 2013-2017 Genode Labs GmbH
  *
  * This file is part of the Genode OS framework, which is distributed
  * under the terms of the GNU General Public License version 2.
@@ -317,7 +317,7 @@ class Driver : public Block::Driver
 		{
 			using namespace Genode;
 
-			Parent::Resource_args const args = env()->parent()->yield_request();
+			Parent::Resource_args const args = _env.parent().yield_request();
 			size_t const requested_ram_quota =
 				Arg_string::find_arg(args.string(), "ram_quota").ulong_value(0);
 
@@ -337,7 +337,7 @@ class Driver : public Block::Driver
 		: _env(env),
 		  _r_slab(&heap),
 		  _alloc(&heap, CACHE_BLK_SIZE),
-		  _blk(&_alloc, Block::Session::TX_QUEUE_SIZE*CACHE_BLK_SIZE),
+		  _blk(_env, &_alloc, Block::Session::TX_QUEUE_SIZE*CACHE_BLK_SIZE),
 		  _blk_sz(0),
 		  _blk_cnt(0),
 		  _cache(heap, 0),
diff --git a/repos/os/src/server/blk_cache/lru.cc b/repos/os/src/server/blk_cache/lru.cc
index a84e08bdd1..9b51424625 100644
--- a/repos/os/src/server/blk_cache/lru.cc
+++ b/repos/os/src/server/blk_cache/lru.cc
@@ -5,12 +5,12 @@
  */
 
 /*
- * Copyright (C) 2013 Genode Labs GmbH
+ * Copyright (C) 2013-2017 Genode Labs GmbH
  *
  * This file is part of the Genode OS framework, which is distributed
  * under the terms of the GNU General Public License version 2.
  */
-#include <base/printf.h>
+
 #include "lru.h"
 #include "driver.h"