diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs
index 9f33e4312740..b4d47cba7c5b 100644
--- a/src/tools/build-manifest/src/main.rs
+++ b/src/tools/build-manifest/src/main.rs
@@ -495,7 +495,7 @@ impl Builder {
                 Some(p) => p,
                 None => return false,
             };
-            pkg.target.get(&c.target).is_some()
+            pkg.target.contains_key(&c.target)
         };
         extensions.retain(&has_component);
         components.retain(&has_component);