diff --git a/CMakeLists.txt b/CMakeLists.txt
index 81cec6633..1668d24b9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -583,7 +583,6 @@ set(SOURCES
         db/builder.cc
         db/c.cc
         db/column_family.cc
-        db/compacted_db_impl.cc
         db/compaction/compaction.cc
         db/compaction/compaction_iterator.cc
         db/compaction/compaction_picker.cc
@@ -594,6 +593,7 @@ set(SOURCES
         db/compaction/sst_partitioner.cc
         db/convenience.cc
         db/db_filesnapshot.cc
+        db/db_impl/compacted_db_impl.cc
         db/db_impl/db_impl.cc
         db/db_impl/db_impl_write.cc
         db/db_impl/db_impl_compaction_flush.cc
diff --git a/TARGETS b/TARGETS
index 61c48ef2c..3b73b164c 100644
--- a/TARGETS
+++ b/TARGETS
@@ -146,7 +146,6 @@ cpp_library(
         "db/builder.cc",
         "db/c.cc",
         "db/column_family.cc",
-        "db/compacted_db_impl.cc",
         "db/compaction/compaction.cc",
         "db/compaction/compaction_iterator.cc",
         "db/compaction/compaction_job.cc",
@@ -157,6 +156,7 @@ cpp_library(
         "db/compaction/sst_partitioner.cc",
         "db/convenience.cc",
         "db/db_filesnapshot.cc",
+        "db/db_impl/compacted_db_impl.cc",
         "db/db_impl/db_impl.cc",
         "db/db_impl/db_impl_compaction_flush.cc",
         "db/db_impl/db_impl_debug.cc",
@@ -453,7 +453,6 @@ cpp_library(
         "db/builder.cc",
         "db/c.cc",
         "db/column_family.cc",
-        "db/compacted_db_impl.cc",
         "db/compaction/compaction.cc",
         "db/compaction/compaction_iterator.cc",
         "db/compaction/compaction_job.cc",
@@ -464,6 +463,7 @@ cpp_library(
         "db/compaction/sst_partitioner.cc",
         "db/convenience.cc",
         "db/db_filesnapshot.cc",
+        "db/db_impl/compacted_db_impl.cc",
         "db/db_impl/db_impl.cc",
         "db/db_impl/db_impl_compaction_flush.cc",
         "db/db_impl/db_impl_debug.cc",
diff --git a/db/compacted_db_impl.cc b/db/db_impl/compacted_db_impl.cc
similarity index 98%
rename from db/compacted_db_impl.cc
rename to db/db_impl/compacted_db_impl.cc
index cd4f27b9e..3eb873604 100644
--- a/db/compacted_db_impl.cc
+++ b/db/db_impl/compacted_db_impl.cc
@@ -4,7 +4,7 @@
 //  (found in the LICENSE.Apache file in the root directory).
 
 #ifndef ROCKSDB_LITE
-#include "db/compacted_db_impl.h"
+#include "db/db_impl/compacted_db_impl.h"
 
 #include "db/db_impl/db_impl.h"
 #include "db/version_set.h"
@@ -78,6 +78,7 @@ std::vector<Status> CompactedDBImpl::MultiGet(const ReadOptions& options,
                              nullptr, nullptr, nullptr, true, nullptr, nullptr);
       LookupKey lkey(keys[idx], kMaxSequenceNumber);
       Status s = r->Get(options, lkey.internal_key(), &get_context, nullptr);
+      assert(static_cast<size_t>(idx) < statuses.size());
       if (!s.ok() && !s.IsNotFound()) {
         statuses[idx] = s;
       } else {
diff --git a/db/compacted_db_impl.h b/db/db_impl/compacted_db_impl.h
similarity index 99%
rename from db/compacted_db_impl.h
rename to db/db_impl/compacted_db_impl.h
index d57436f0a..4cf00785e 100644
--- a/db/compacted_db_impl.h
+++ b/db/db_impl/compacted_db_impl.h
@@ -18,7 +18,7 @@ class CompactedDBImpl : public DBImpl {
   CompactedDBImpl(const CompactedDBImpl&) = delete;
   void operator=(const CompactedDBImpl&) = delete;
 
-  virtual ~CompactedDBImpl();
+  ~CompactedDBImpl() override;
 
   static Status Open(const Options& options, const std::string& dbname,
                      DB** dbptr);
diff --git a/db/db_impl/db_impl_readonly.cc b/db/db_impl/db_impl_readonly.cc
index 1866cf447..5576d299c 100644
--- a/db/db_impl/db_impl_readonly.cc
+++ b/db/db_impl/db_impl_readonly.cc
@@ -6,7 +6,7 @@
 #include "db/db_impl/db_impl_readonly.h"
 
 #include "db/arena_wrapped_db_iter.h"
-#include "db/compacted_db_impl.h"
+#include "db/db_impl/compacted_db_impl.h"
 #include "db/db_impl/db_impl.h"
 #include "db/db_iter.h"
 #include "db/merge_context.h"
diff --git a/src.mk b/src.mk
index 1e487f4e8..c212ad058 100644
--- a/src.mk
+++ b/src.mk
@@ -17,7 +17,6 @@ LIB_SOURCES =                                                   \
   db/builder.cc                                                 \
   db/c.cc                                                       \
   db/column_family.cc                                           \
-  db/compacted_db_impl.cc                                       \
   db/compaction/compaction.cc                                   \
   db/compaction/compaction_iterator.cc                          \
   db/compaction/compaction_job.cc                               \
@@ -28,6 +27,7 @@ LIB_SOURCES =                                                   \
   db/compaction/sst_partitioner.cc                              \
   db/convenience.cc                                             \
   db/db_filesnapshot.cc                                         \
+  db/db_impl/compacted_db_impl.cc                                       \
   db/db_impl/db_impl.cc                                         \
   db/db_impl/db_impl_compaction_flush.cc                        \
   db/db_impl/db_impl_debug.cc                                   \