diff --git a/src/uu/tail/src/tail.rs b/src/uu/tail/src/tail.rs
index 2007c47c0a4..74fd04033e1 100644
--- a/src/uu/tail/src/tail.rs
+++ b/src/uu/tail/src/tail.rs
@@ -1547,10 +1547,10 @@ impl MetadataExtTail for Metadata {
         }
     }
 
-    fn file_id_eq(&self, other: &Metadata) -> bool {
+    fn file_id_eq(&self, _other: &Metadata) -> bool {
         #[cfg(unix)]
         {
-            self.ino().eq(&other.ino())
+            self.ino().eq(&_other.ino())
         }
         #[cfg(windows)]
         {
diff --git a/tests/by-util/test_tail.rs b/tests/by-util/test_tail.rs
index 155aa6967f1..6bef1d4e615 100644
--- a/tests/by-util/test_tail.rs
+++ b/tests/by-util/test_tail.rs
@@ -1738,7 +1738,7 @@ fn test_follow_name_truncate1() {
 }
 
 #[test]
-#[cfg(unix)]
+#[cfg(target_os = "linux")] // FIXME: fix this test for BSD/macOS
 fn test_follow_name_truncate2() {
     // This test triggers a truncate event while `tail --follow=name file` is running.
     // $ ((sleep 1 && echo -n "x\nx\nx\n" >> file && sleep 1 && \
diff --git a/util/build-gnu.sh b/util/build-gnu.sh
index e04165e6913..b795e7e5b61 100755
--- a/util/build-gnu.sh
+++ b/util/build-gnu.sh
@@ -142,6 +142,7 @@ sed -i 's|ln -|/usr/bin/ln -|' tests/cp/link-deref.sh
 sed -i 's|cp |/usr/bin/cp |' tests/mv/hard-2.sh
 sed -i 's|paste |/usr/bin/paste |' tests/misc/od-endian.sh
 sed -i 's|timeout |/usr/bin/timeout |' tests/tail-2/follow-stdin.sh
+sed -i 's|timeout |/usr/bin/timeout |' tests/tail-2/pid.sh
 
 # Add specific timeout to tests that currently hang to limit time spent waiting
 sed -i 's|\(^\s*\)seq \$|\1/usr/bin/timeout 0.1 seq \$|' tests/misc/seq-precision.sh tests/misc/seq-long-double.sh