diff --git a/sstables/compaction.cc b/sstables/compaction.cc
index b3e34dfa2f..2ef3668445 100644
--- a/sstables/compaction.cc
+++ b/sstables/compaction.cc
@@ -64,15 +64,6 @@ namespace sstables {
 
 logging::logger logger("compaction");
 
-struct compaction_stats {
-    size_t sstables = 0;
-    uint64_t start_size = 0;
-    uint64_t end_size = 0;
-    uint64_t total_partitions = 0;
-    uint64_t total_keys_written = 0;
-    std::vector<shared_sstable> new_sstables;
-};
-
 class sstable_reader final : public ::mutation_reader::impl {
     shared_sstable _sst;
     mutation_reader _reader;
diff --git a/sstables/compaction.hh b/sstables/compaction.hh
index 7537c38fb6..b2751de660 100644
--- a/sstables/compaction.hh
+++ b/sstables/compaction.hh
@@ -46,6 +46,15 @@ namespace sstables {
             : sstables(std::move(sstables)) {}
     };
 
+    struct compaction_stats {
+        size_t sstables = 0;
+        uint64_t start_size = 0;
+        uint64_t end_size = 0;
+        uint64_t total_partitions = 0;
+        uint64_t total_keys_written = 0;
+        std::vector<shared_sstable> new_sstables;
+    };
+
     // Compact a list of N sstables into M sstables.
     // creator is used to get a sstable object for a new sstable that will be written.
     // max_sstable_size is a relaxed limit size for a sstable to be generated.