diff --git a/docs/event-counters.md b/docs/event-counters.md
index 7969f67..24f7708 100644
--- a/docs/event-counters.md
+++ b/docs/event-counters.md
@@ -151,7 +151,6 @@ The `dedup` event group consists of operations that deduplicate data.
  * `dedup_prealloc_hit`: Total number of successfully eliminated `PREALLOC` extent references.
  * `dedup_prealloc_hit`: Total number of unsuccessfully eliminated `PREALLOC` extent references (i.e. filesystem data changed between scan and dedupe).
  * `dedup_try`: Total number of pairs of extent references submitted for deduplication.
- * `dedup_unique_bytes`: Total bytes in extent data items deduplicated.  The implementation of this counter is wrong.
  * `dedup_workaround_btrfs_send`: Total number of extent reference pairs submitted for deduplication that were discarded to workaround `btrfs send` bugs.
 
 exception
diff --git a/src/bees-context.cc b/src/bees-context.cc
index 540d898..7c7f7c5 100644
--- a/src/bees-context.cc
+++ b/src/bees-context.cc
@@ -258,11 +258,6 @@ BeesContext::dedup(const BeesRangePair &brp)
 	if (rv) {
 		BEESCOUNT(dedup_hit);
 		BEESCOUNTADD(dedup_bytes, brp.first.size());
-		thread_local BeesFileRange last_src_bfr;
-		if (!last_src_bfr.overlaps(brp.first)) {
-			BEESCOUNTADD(dedup_unique_bytes, brp.first.size());
-			last_src_bfr = brp.first;
-		}
 	} else {
 		BEESCOUNT(dedup_miss);
 		BEESLOGWARN("NO Dedup! " << brp);