diff --git a/runtime/gc/allocator/rosalloc.h b/runtime/gc/allocator/rosalloc.h
index 5dda80c..c81306f 100644
--- a/runtime/gc/allocator/rosalloc.h
+++ b/runtime/gc/allocator/rosalloc.h
@@ -151,12 +151,12 @@
   //
   class Run {
    public:
-    byte magic_num_;            // The magic number used for debugging.
-    byte size_bracket_idx_;     // The index of the size bracket of this run.
-    byte is_thread_local_;      // True if this run is used as a thread-local run.
-    byte to_be_bulk_freed_;     // Used within BulkFree() to flag a run that's involved with a bulk free.
-    uint32_t top_slot_idx_;     // The top slot index when this run is in bump index mode.
-    uint32_t alloc_bit_map_[0]; // The bit map that allocates if each slot is in use.
+    byte magic_num_;             // The magic number used for debugging.
+    byte size_bracket_idx_;      // The index of the size bracket of this run.
+    byte is_thread_local_;       // True if this run is used as a thread-local run.
+    byte to_be_bulk_freed_;      // Used within BulkFree() to flag a run that's involved with a bulk free.
+    uint32_t top_slot_idx_;      // The top slot index when this run is in bump index mode.
+    uint32_t alloc_bit_map_[0];  // The bit map that allocates if each slot is in use.
 
     // bulk_free_bit_map_[] : The bit map that is used for GC to
     // temporarily mark the slots to free without using a lock. After
diff --git a/runtime/gc/space/dlmalloc_space.h b/runtime/gc/space/dlmalloc_space.h
index 63b1c21..1cfee7a 100644
--- a/runtime/gc/space/dlmalloc_space.h
+++ b/runtime/gc/space/dlmalloc_space.h
@@ -33,7 +33,6 @@
 // An alloc space is a space where objects may be allocated and garbage collected.
 class DlMallocSpace : public MallocSpace {
  public:
-
   // Create a DlMallocSpace with the requested sizes. The requested
   // base address is not guaranteed to be granted, if it is required,
   // the caller should call Begin on the returned space to confirm the
diff --git a/runtime/gc/space/malloc_space.h b/runtime/gc/space/malloc_space.h
index bd21a4d..189f01c 100644
--- a/runtime/gc/space/malloc_space.h
+++ b/runtime/gc/space/malloc_space.h
@@ -181,6 +181,7 @@
 
   friend class collector::MarkSweep;
 
+ private:
   DISALLOW_COPY_AND_ASSIGN(MallocSpace);
 };
 
@@ -188,4 +189,4 @@
 }  // namespace gc
 }  // namespace art
 
-#endif  // ART_RUNTIME_GC_SPACE_DLMALLOC_SPACE_H_
+#endif  // ART_RUNTIME_GC_SPACE_MALLOC_SPACE_H_