diff --git a/era/metadata.cc b/era/metadata.cc
index baae96a..d344b6c 100644
--- a/era/metadata.cc
+++ b/era/metadata.cc
@@ -16,15 +16,6 @@ namespace {
 		transaction_manager::ptr tm(new transaction_manager(bm, sm));
 		return tm;
 	}
-
-	void
-	copy_space_maps(space_map::ptr lhs, space_map::ptr rhs) {
-		for (block_address b = 0; b < rhs->get_nr_blocks(); b++) {
-			uint32_t count = rhs->get_count(b);
-			if (count > 0)
-				lhs->set_count(b, rhs->get_count(b));
-		}
-	}
 }
 
 metadata::metadata(block_manager<>::ptr bm, open_type ot)
diff --git a/thin-provisioning/metadata.cc b/thin-provisioning/metadata.cc
index fdc96e3..908d16b 100644
--- a/thin-provisioning/metadata.cc
+++ b/thin-provisioning/metadata.cc
@@ -56,22 +56,6 @@ namespace {
 				lhs->set_count(b, rhs->get_count(b));
 		}
 	}
-
-	void print_superblock(superblock const &sb) {
-		using namespace std;
-
-		cerr << "superblock " << sb.csum_ << endl
-		     << "flags " << sb.flags_ << endl
-		     << "blocknr " << sb.blocknr_ << endl
-		     << "transaction id " << sb.trans_id_ << endl
-		     << "data mapping root " << sb.data_mapping_root_ << endl
-		     << "details root " << sb.device_details_root_ << endl
-		     << "data block size " << sb.data_block_size_ << endl
-		     << "metadata block size " << sb.metadata_block_size_ << endl
-		     << "metadata nr blocks " << sb.metadata_nr_blocks_ << endl
-		     << "metadata snapshot block " << sb.metadata_snap_ << endl
-			;
-	}
 }
 
 //----------------------------------------------------------------