diff --git a/lib/tests/form_method-issue-45.rs b/lib/tests/form_method-issue-45.rs
index ff1e8bff..2189484a 100644
--- a/lib/tests/form_method-issue-45.rs
+++ b/lib/tests/form_method-issue-45.rs
@@ -4,7 +4,6 @@
 extern crate rocket;
 
 use rocket::request::Form;
-use rocket::http::Status;
 
 #[derive(FromForm)]
 struct FormData {
@@ -17,31 +16,35 @@ fn bug(form_data: Form<FormData>) -> &'static str {
     "OK"
 }
 
-use rocket::testing::MockRequest;
-use rocket::http::Method::*;
-use rocket::http::ContentType;
+#[cfg(feature = "testing")]
+mod tests {
+    use super::*;
+    use rocket::testing::MockRequest;
+    use rocket::http::Method::*;
+    use rocket::http::{Status, ContentType};
 
-#[test]
-fn method_eval() {
-    let rocket = rocket::ignite().mount("/", routes![bug]);
+    #[test]
+    fn method_eval() {
+        let rocket = rocket::ignite().mount("/", routes![bug]);
 
-    let mut req = MockRequest::new(Post, "/")
-        .header(ContentType::Form)
-        .body("_method=patch&form_data=Form+data");
+        let mut req = MockRequest::new(Post, "/")
+            .header(ContentType::Form)
+            .body("_method=patch&form_data=Form+data");
 
-    let mut response = req.dispatch_with(&rocket);
-    let body_str = response.body().and_then(|b| b.into_string());
-    assert_eq!(body_str, Some("OK".to_string()));
-}
-
-#[test]
-fn get_passes_through() {
-    let rocket = rocket::ignite().mount("/", routes![bug]);
-
-    let mut req = MockRequest::new(Get, "/")
-        .header(ContentType::Form)
-        .body("_method=patch&form_data=Form+data");
-
-    let response = req.dispatch_with(&rocket);
-    assert_eq!(response.status(), Status::NotFound);
+        let mut response = req.dispatch_with(&rocket);
+        let body_str = response.body().and_then(|b| b.into_string());
+        assert_eq!(body_str, Some("OK".to_string()));
+    }
+
+    #[test]
+    fn get_passes_through() {
+        let rocket = rocket::ignite().mount("/", routes![bug]);
+
+        let mut req = MockRequest::new(Get, "/")
+            .header(ContentType::Form)
+            .body("_method=patch&form_data=Form+data");
+
+        let response = req.dispatch_with(&rocket);
+        assert_eq!(response.status(), Status::NotFound);
+    }
 }
diff --git a/lib/tests/form_value_decoding-issue-82.rs b/lib/tests/form_value_decoding-issue-82.rs
index d49ddf55..e1c68d39 100644
--- a/lib/tests/form_value_decoding-issue-82.rs
+++ b/lib/tests/form_value_decoding-issue-82.rs
@@ -15,31 +15,35 @@ fn bug(form_data: Form<FormData>) -> String {
     form_data.into_inner().form_data
 }
 
-use rocket::testing::MockRequest;
-use rocket::http::Method::*;
-use rocket::http::ContentType;
-use rocket::http::Status;
+#[cfg(feature = "testing")]
+mod tests {
+    use super::*;
+    use rocket::testing::MockRequest;
+    use rocket::http::Method::*;
+    use rocket::http::ContentType;
+    use rocket::http::Status;
 
-fn check_decoding(raw: &str, decoded: &str) {
-    let rocket = rocket::ignite().mount("/", routes![bug]);
+    fn check_decoding(raw: &str, decoded: &str) {
+        let rocket = rocket::ignite().mount("/", routes![bug]);
 
-    let mut req = MockRequest::new(Post, "/")
-        .header(ContentType::Form)
-        .body(format!("form_data={}", raw));
+        let mut req = MockRequest::new(Post, "/")
+            .header(ContentType::Form)
+            .body(format!("form_data={}", raw));
 
-    let mut response = req.dispatch_with(&rocket);
-    let body_string = response.body().and_then(|b| b.into_string());
-    assert_eq!(response.status(), Status::Ok);
-    assert_eq!(Some(decoded.to_string()), body_string);
-}
-
-#[test]
-fn test_proper_decoding() {
-    check_decoding("password", "password");
-    check_decoding("", "");
-    check_decoding("+", " ");
-    check_decoding("%2B", "+");
-    check_decoding("1+1", "1 1");
-    check_decoding("1%2B1", "1+1");
-    check_decoding("%3Fa%3D1%26b%3D2", "?a=1&b=2");
+        let mut response = req.dispatch_with(&rocket);
+        let body_string = response.body().and_then(|b| b.into_string());
+        assert_eq!(response.status(), Status::Ok);
+        assert_eq!(Some(decoded.to_string()), body_string);
+    }
+
+    #[test]
+    fn test_proper_decoding() {
+        check_decoding("password", "password");
+        check_decoding("", "");
+        check_decoding("+", " ");
+        check_decoding("%2B", "+");
+        check_decoding("1+1", "1 1");
+        check_decoding("1%2B1", "1+1");
+        check_decoding("%3Fa%3D1%26b%3D2", "?a=1&b=2");
+    }
 }
diff --git a/lib/tests/head_handling.rs b/lib/tests/head_handling.rs
index f0537967..6b5b2a9a 100644
--- a/lib/tests/head_handling.rs
+++ b/lib/tests/head_handling.rs
@@ -3,9 +3,7 @@
 
 extern crate rocket;
 
-use rocket::Route;
 use rocket::response::{status, content};
-use rocket::http::ContentType;
 
 #[get("/empty")]
 fn empty() -> status::NoContent {
@@ -22,51 +20,57 @@ fn other() -> content::JSON<()> {
     content::JSON(())
 }
 
-fn routes() -> Vec<Route> {
-    routes![index, empty, other]
-}
+#[cfg(feature = "testing")]
+mod tests {
+    use super::*;
 
-use rocket::testing::MockRequest;
-use rocket::http::Method::*;
-use rocket::http::Status;
-use rocket::response::Body;
+    use rocket::Route;
+    use rocket::testing::MockRequest;
+    use rocket::http::Method::*;
+    use rocket::http::{Status, ContentType};
+    use rocket::response::Body;
 
-#[test]
-fn auto_head() {
-    let rocket = rocket::ignite().mount("/", routes());
-
-    let mut req = MockRequest::new(Head, "/");
-    let mut response = req.dispatch_with(&rocket);
-
-    assert_eq!(response.status(), Status::Ok);
-    if let Some(body) = response.body() {
-        match body {
-            Body::Sized(_, n) => assert_eq!(n, "Hello, world!".len() as u64),
-            _ => panic!("Expected a sized body!")
-        }
-
-        assert_eq!(body.into_string(), Some("".to_string()));
-    } else {
-        panic!("Expected an empty body!")
+    fn routes() -> Vec<Route> {
+        routes![index, empty, other]
     }
 
+    #[test]
+    fn auto_head() {
+        let rocket = rocket::ignite().mount("/", routes());
 
-    let content_type: Vec<_> = response.header_values("Content-Type").collect();
-    assert_eq!(content_type, vec![ContentType::Plain.to_string()]);
+        let mut req = MockRequest::new(Head, "/");
+        let mut response = req.dispatch_with(&rocket);
 
-    let mut req = MockRequest::new(Head, "/empty");
-    let response = req.dispatch_with(&rocket);
-    assert_eq!(response.status(), Status::NoContent);
-}
-
-#[test]
-fn user_head() {
-    let rocket = rocket::ignite().mount("/", routes());
-    let mut req = MockRequest::new(Head, "/other");
-    let response = req.dispatch_with(&rocket);
-
-    assert_eq!(response.status(), Status::Ok);
-
-    let content_type: Vec<_> = response.header_values("Content-Type").collect();
-    assert_eq!(content_type, vec![ContentType::JSON.to_string()]);
+        assert_eq!(response.status(), Status::Ok);
+        if let Some(body) = response.body() {
+            match body {
+                Body::Sized(_, n) => assert_eq!(n, "Hello, world!".len() as u64),
+                _ => panic!("Expected a sized body!")
+            }
+
+            assert_eq!(body.into_string(), Some("".to_string()));
+        } else {
+            panic!("Expected an empty body!")
+        }
+
+
+        let content_type: Vec<_> = response.header_values("Content-Type").collect();
+        assert_eq!(content_type, vec![ContentType::Plain.to_string()]);
+
+        let mut req = MockRequest::new(Head, "/empty");
+        let response = req.dispatch_with(&rocket);
+        assert_eq!(response.status(), Status::NoContent);
+    }
+
+    #[test]
+    fn user_head() {
+        let rocket = rocket::ignite().mount("/", routes());
+        let mut req = MockRequest::new(Head, "/other");
+        let response = req.dispatch_with(&rocket);
+
+        assert_eq!(response.status(), Status::Ok);
+
+        let content_type: Vec<_> = response.header_values("Content-Type").collect();
+        assert_eq!(content_type, vec![ContentType::JSON.to_string()]);
+    }
 }
diff --git a/lib/tests/segments-issues-41-86.rs b/lib/tests/segments-issues-41-86.rs
index 8639f554..ff61f75b 100644
--- a/lib/tests/segments-issues-41-86.rs
+++ b/lib/tests/segments-issues-41-86.rs
@@ -30,26 +30,30 @@ fn dual(user: String, path: Segments) -> String {
     user + "/is/" + &path.collect::<Vec<_>>().join("/")
 }
 
-use rocket::testing::MockRequest;
-use rocket::http::Method::*;
+#[cfg(feature = "testing")]
+mod tests {
+    use super::*;
+    use rocket::testing::MockRequest;
+    use rocket::http::Method::*;
 
-#[test]
-fn segments_works() {
-    let rocket = rocket::ignite()
-        .mount("/", routes![test, two, one_two, none, dual])
-        .mount("/point", routes![test, two, one_two, dual]);
+    #[test]
+    fn segments_works() {
+        let rocket = rocket::ignite()
+            .mount("/", routes![test, two, one_two, none, dual])
+            .mount("/point", routes![test, two, one_two, dual]);
 
-    // We construct a path that matches each of the routes above. We ensure the
-    // prefix is stripped, confirming that dynamic segments are working.
-    for prefix in &["", "/test", "/two", "/one/two",
-                    "/point/test", "/point/two", "/point/one/two",
-                    "/static", "/point/static"]
-    {
-        let path = "this/is/the/path/we/want";
-        let mut req = MockRequest::new(Get, format!("{}/{}", prefix, path));
+        // We construct a path that matches each of the routes above. We ensure the
+        // prefix is stripped, confirming that dynamic segments are working.
+        for prefix in &["", "/test", "/two", "/one/two",
+                        "/point/test", "/point/two", "/point/one/two",
+                        "/static", "/point/static"]
+        {
+            let path = "this/is/the/path/we/want";
+            let mut req = MockRequest::new(Get, format!("{}/{}", prefix, path));
 
-        let mut response = req.dispatch_with(&rocket);
-        let body_str = response.body().and_then(|b| b.into_string());
-        assert_eq!(body_str, Some(path.into()));
+            let mut response = req.dispatch_with(&rocket);
+            let body_str = response.body().and_then(|b| b.into_string());
+            assert_eq!(body_str, Some(path.into()));
+        }
     }
 }