diff --git a/components/background_hang_monitor/sampler_linux.rs b/components/background_hang_monitor/sampler_linux.rs
index aebdbea3253..5026b42ec63 100644
--- a/components/background_hang_monitor/sampler_linux.rs
+++ b/components/background_hang_monitor/sampler_linux.rs
@@ -15,11 +15,6 @@ use unwind_sys::{
 
 use crate::sampler::{NativeStack, Sampler};
 
-// Hack to workaround broken libunwind pkg-config contents for <1.1-3ubuntu.1.
-// https://bugs.launchpad.net/ubuntu/+source/libunwind/+bug/1336912
-#[link(name = "lzma")]
-extern "C" {}
-
 struct UncheckedSyncUnsafeCell<T>(std::cell::UnsafeCell<T>);
 
 /// Safety: dereferencing the pointer from `UnsafeCell::get` must involve external synchronization