diff --git a/src/tools/compiletest/src/main.rs b/src/tools/compiletest/src/main.rs
index 5a97f7e3ee9..657739c65b1 100644
--- a/src/tools/compiletest/src/main.rs
+++ b/src/tools/compiletest/src/main.rs
@@ -486,11 +486,9 @@ pub fn make_test(config: &Config, testpaths: &TestPaths) -> test::TestDescAndFn
 }
 
 fn stamp(config: &Config, testpaths: &TestPaths) -> PathBuf {
-    let stamp_name = format!("{}-H-{}-T-{}-S-{}.stamp",
+    let stamp_name = format!("{}-{}.stamp",
                              testpaths.file.file_name().unwrap()
                                            .to_str().unwrap(),
-                             config.host,
-                             config.target,
                              config.stage_id);
     config.build_base.canonicalize()
           .unwrap_or(config.build_base.clone())