diff --git a/src/test/rustdoc/auxiliary/issue-15318.rs b/src/test/rustdoc/auxiliary/issue-15318.rs
index 0e1977182ceac..695fa58ef1d55 100644
--- a/src/test/rustdoc/auxiliary/issue-15318.rs
+++ b/src/test/rustdoc/auxiliary/issue-15318.rs
@@ -1,5 +1,6 @@
+// no-prefer-dynamic
 // compile-flags: -Cmetadata=aux
-
+#![crate_type = "rlib"]
 #![doc(html_root_url = "http://example.com/")]
 #![feature(lang_items)]
 #![no_std]
diff --git a/src/test/rustdoc/cross-crate-primitive-doc.rs b/src/test/rustdoc/cross-crate-primitive-doc.rs
index 709ffa1818066..120b6e9747f4a 100644
--- a/src/test/rustdoc/cross-crate-primitive-doc.rs
+++ b/src/test/rustdoc/cross-crate-primitive-doc.rs
@@ -1,5 +1,7 @@
 // aux-build:primitive-doc.rs
 // compile-flags: --extern-html-root-url=primitive_doc=../ -Z unstable-options
+// ignore-windows
+
 #![feature(no_core)]
 #![no_core]