diff --git a/changelog/unreleased/issue-5109 b/changelog/unreleased/issue-5109
index 8995891a3..698a85244 100644
--- a/changelog/unreleased/issue-5109
+++ b/changelog/unreleased/issue-5109
@@ -1,8 +1,7 @@
 Enhancement: Make small pack size configureable for `prune`
 
 The `prune` command now supports the `--repack-smaller-than` option that
-allows repacking pack files smaller than the given size. It has to be used in
-conjunction with option `--repack-small`.
+allows repacking pack files smaller than the given size.
 
 https://github.com/restic/restic/issues/5109
 https://github.com/restic/restic/pull/5183
diff --git a/cmd/restic/cmd_prune.go b/cmd/restic/cmd_prune.go
index 10b465f39..65833c689 100644
--- a/cmd/restic/cmd_prune.go
+++ b/cmd/restic/cmd_prune.go
@@ -143,11 +143,6 @@ func verifyPruneOptions(opts *PruneOptions) error {
 		}
 	}
 
-	if !opts.RepackSmall && opts.SmallPackSize != "" {
-		return errors.Fatal("option --repack-small and --repack-smaller-than: must be specified together")
-	}
-
-	opts.SmallPackBytes = uint64(0)
 	if opts.SmallPackSize != "" {
 		size, err := ui.ParseBytes(opts.SmallPackSize)
 		if err != nil {
diff --git a/doc/060_forget.rst b/doc/060_forget.rst
index 484e0c6bd..6a985db73 100644
--- a/doc/060_forget.rst
+++ b/doc/060_forget.rst
@@ -466,10 +466,9 @@ The ``prune`` command accepts the following options:
 - ``--repack-small`` if set will repack pack files below 80% of target pack size.
   The default value is false.
 
-- ``--repack-smaller-than`` in conjunction with ``--repack-small`` will repack all
-  packfiles below the size of ``--repack-smaller-than``. This will allow to repack
-  packfiles which initially came from a repository with a smaller ``--pack-size``
-  to be compacted into larger packfiles.
+- ``--repack-smaller-than`` will repack all packfiles below the size of
+  ``--repack-smaller-than``. This allows repacking packfiles that initially came from a
+  repository with a smaller ``--pack-size`` to be compacted into larger packfiles.
 
 -  ``--dry-run`` only show what ``prune`` would do.