diff --git a/actix-files/src/lib.rs b/actix-files/src/lib.rs
index 167f996c0..0178c13de 100644
--- a/actix-files/src/lib.rs
+++ b/actix-files/src/lib.rs
@@ -307,11 +307,11 @@ mod tests {
         let resp = file.respond_to(&req);
         assert_eq!(
             resp.headers().get(header::CONTENT_TYPE).unwrap(),
-            "application/javascript; charset=utf-8"
+            "text/javascript",
         );
         assert_eq!(
             resp.headers().get(header::CONTENT_DISPOSITION).unwrap(),
-            "inline; filename=\"test.js\""
+            "inline; filename=\"test.js\"",
         );
     }
 
diff --git a/actix-http/src/responses/builder.rs b/actix-http/src/responses/builder.rs
index 91c69ba54..bb7d0f712 100644
--- a/actix-http/src/responses/builder.rs
+++ b/actix-http/src/responses/builder.rs
@@ -351,12 +351,9 @@ mod tests {
         assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(), "text/plain");
 
         let resp = Response::build(StatusCode::OK)
-            .content_type(mime::APPLICATION_JAVASCRIPT_UTF_8)
+            .content_type(mime::TEXT_JAVASCRIPT)
             .body(Bytes::new());
-        assert_eq!(
-            resp.headers().get(CONTENT_TYPE).unwrap(),
-            "application/javascript; charset=utf-8"
-        );
+        assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(), "text/javascript");
     }
 
     #[test]