diff --git a/src/borg/archive.py b/src/borg/archive.py
index 3550962df..f511d410f 100644
--- a/src/borg/archive.py
+++ b/src/borg/archive.py
@@ -123,7 +123,6 @@ def __repr__(self):
     def as_dict(self):
         return {
             "original_size": FileSize(self.osize, iec=self.iec),
-            "deduplicated_size": FileSize(self.usize, iec=self.iec),
             "nfiles": self.nfiles,
             "hashing_time": self.hashing_time,
             "chunking_time": self.chunking_time,
diff --git a/src/borg/archiver/info_cmd.py b/src/borg/archiver/info_cmd.py
index 763323f22..3de4d5a36 100644
--- a/src/borg/archiver/info_cmd.py
+++ b/src/borg/archiver/info_cmd.py
@@ -43,7 +43,6 @@ def do_info(self, args, repository, manifest, cache):
                 Command line: {command_line}
                 Number of files: {stats[nfiles]}
                 Original size: {stats[original_size]}
-                Deduplicated size: {stats[deduplicated_size]}
                 """
                     )
                     .strip()