avoid cross-references to git-gc(1)
diff --git a/got/git-repository.5 b/got/git-repository.5
index a52a079..7ada9c1 100644
--- a/got/git-repository.5
+++ b/got/git-repository.5
@@ -137,8 +137,7 @@ directory, or in the
file which contains one reference definition per line.
.Pp
Any object which is not reachable via a reference is subject to deletion
-by Git's garbage collector; see
-.Xr git-gc 1 .
+by Git's garbage collector.
.Sh FILES
.Bl -tag -width packed-refs -compact
.It Pa HEAD
diff --git a/got/got.1 b/got/got.1
index 3f7e91e..04c729c 100644
--- a/got/got.1
+++ b/got/got.1
@@ -374,7 +374,7 @@ Delete the branch with the specified name from the repository.
Only the branch reference is deleted.
Any commit, tree, and blob objects belonging to the branch
remain in the repository and may be removed separately with
-.Xr git-gc 1 .
+Git's garbage collector.
.El
.It Cm br
Short alias for