diff --git a/include/xo/arena/MemorySizeInfo.hpp b/include/xo/arena/MemorySizeInfo.hpp
index 764eae6..37b5ce0 100644
--- a/include/xo/arena/MemorySizeInfo.hpp
+++ b/include/xo/arena/MemorySizeInfo.hpp
@@ -16,8 +16,10 @@ namespace xo {
             using size_type = std::size_t;
 
             MemorySizeInfo() = default;
-            MemorySizeInfo(std::string_view name, std::size_t u, std::size_t a, std::size_t c, std::size_t r)
-              : resource_name_{name}, used_{u}, allocated_{a}, committed_{c}, reserved_{r}
+            MemorySizeInfo(std::string_view name,
+                           std::size_t u, std::size_t a, std::size_t c, std::size_t r)
+                : resource_name_{name},
+                  used_{u}, allocated_{a}, committed_{c}, reserved_{r}
             {}
 
             static MemorySizeInfo sentinel() { return MemorySizeInfo(); }
diff --git a/src/arena/DArena.cpp b/src/arena/DArena.cpp
index cb305f9..72d8cbf 100644
--- a/src/arena/DArena.cpp
+++ b/src/arena/DArena.cpp
@@ -67,7 +67,7 @@ namespace xo {
 
         DArena::DArena(const ArenaConfig & cfg)
         {
-            *this = std::move(map(cfg));
+            *this = map(cfg);
         }
 
         DArena::DArena(const ArenaConfig & cfg,
@@ -290,7 +290,7 @@ namespace xo {
                           (complete_flag
                            ? alloc_mode::sub_complete
                            : alloc_mode::sub_incomplete),
-                          typeseq::anon() /*typeseq: ignored*/,
+                          typeseq::sentinel() /*typeseq: ignored*/,
                           0 /*age - ignored */);
         }
 
diff --git a/utest/DArena.test.cpp b/utest/DArena.test.cpp
index e999c35..03e1633 100644
--- a/utest/DArena.test.cpp
+++ b/utest/DArena.test.cpp
@@ -147,7 +147,7 @@ namespace xo {
             REQUIRE(arena.allocated() == 0);
 
             size_t z0 = 1;
-            byte * m0 = arena.alloc(typeseq::anon(), 1);
+            byte * m0 = arena.alloc(typeseq::sentinel(), 1);
 
             REQUIRE(m0);
             REQUIRE(arena.last_error().error_ == error::ok);
@@ -159,7 +159,7 @@ namespace xo {
             REQUIRE(arena.committed() <= arena.reserved());
 
             size_t z1 = 16;
-            byte * m1 = arena.alloc(typeseq::anon(), z1);
+            byte * m1 = arena.alloc(typeseq::sentinel(), z1);
 
             REQUIRE(m1);
             REQUIRE(arena.last_error().error_ == error::ok);
@@ -195,7 +195,7 @@ namespace xo {
             REQUIRE(arena.allocated() == 0);
 
             size_t z0 = 1;
-            byte * m0 = arena.alloc(typeseq::anon(), 1);
+            byte * m0 = arena.alloc(typeseq::sentinel(), 1);
 
             REQUIRE(m0);