diff --git a/plume-common/src/activity_pub/mod.rs b/plume-common/src/activity_pub/mod.rs
index 5b35ff60..93c8b09a 100644
--- a/plume-common/src/activity_pub/mod.rs
+++ b/plume-common/src/activity_pub/mod.rs
@@ -17,16 +17,6 @@ pub mod sign;
 pub const CONTEXT_URL: &'static str = "https://www.w3.org/ns/activitystreams";
 pub const PUBLIC_VISIBILTY: &'static str = "https://www.w3.org/ns/activitystreams#Public";
 
-#[cfg(debug_assertions)]
-pub fn ap_url(url: String) -> String {
-    format!("http://{}", url)
-}
-
-#[cfg(not(debug_assertions))]
-pub fn ap_url(url: String) -> String {
-    format!("https://{}", url)
-}
-
 pub fn context() -> serde_json::Value {
     json!([
         CONTEXT_URL,
diff --git a/plume-models/src/comments.rs b/plume-models/src/comments.rs
index 1500006c..a76b1018 100644
--- a/plume-models/src/comments.rs
+++ b/plume-models/src/comments.rs
@@ -8,11 +8,11 @@ use diesel::{self, PgConnection, RunQueryDsl, QueryDsl, ExpressionMethods, dsl::
 use serde_json;
 
 use plume_common::activity_pub::{
-    ap_url, Id, IntoId, PUBLIC_VISIBILTY,
+    Id, IntoId, PUBLIC_VISIBILTY,
     inbox::{FromActivity, Notify}
 };
 use plume_common::utils;
-use get_next_id;
+use {get_next_id, ap_url};
 use instance::Instance;
 use mentions::Mention;
 use notifications::*;
diff --git a/plume-models/src/instance.rs b/plume-models/src/instance.rs
index 7ac5b2ec..8eef2254 100644
--- a/plume-models/src/instance.rs
+++ b/plume-models/src/instance.rs
@@ -2,7 +2,7 @@ use chrono::NaiveDateTime;
 use diesel::{self, QueryDsl, RunQueryDsl, ExpressionMethods, PgConnection};
 use std::iter::Iterator;
 
-use plume_common::activity_pub::ap_url;
+use ap_url;
 use users::User;
 use schema::{instances, users};
 
diff --git a/plume-models/src/lib.rs b/plume-models/src/lib.rs
index 8c35e423..31239377 100644
--- a/plume-models/src/lib.rs
+++ b/plume-models/src/lib.rs
@@ -92,6 +92,15 @@ lazy_static! {
     pub static ref USE_HTTPS: bool = env::var("USE_HTTPS").map(|val| val == "1").unwrap_or(true);
 }
 
+pub fn ap_url(url: &str) -> String {
+    let scheme = if *USE_HTTPS {
+        "https"
+    } else {
+        "http"
+    };
+    format!("{}://{}", scheme, url)
+}
+
 pub mod blog_authors;
 pub mod blogs;
 pub mod comments;
diff --git a/plume-models/src/posts.rs b/plume-models/src/posts.rs
index 4278855d..856ec349 100644
--- a/plume-models/src/posts.rs
+++ b/plume-models/src/posts.rs
@@ -8,11 +8,11 @@ use diesel::{self, PgConnection, RunQueryDsl, QueryDsl, ExpressionMethods, Belon
 use heck::KebabCase;
 use serde_json;
 
-use BASE_URL;
 use plume_common::activity_pub::{
-    PUBLIC_VISIBILTY, ap_url, Id, IntoId,
+    PUBLIC_VISIBILTY, Id, IntoId,
     inbox::FromActivity
 };
+use {BASE_URL, ap_url};
 use blogs::Blog;
 use instance::Instance;
 use likes::Like;
diff --git a/plume-models/src/users.rs b/plume-models/src/users.rs
index ce516105..f3e41bde 100644
--- a/plume-models/src/users.rs
+++ b/plume-models/src/users.rs
@@ -13,7 +13,7 @@ use openssl::{
     sign
 };
 use plume_common::activity_pub::{
-    ap_url, ActivityStream, Id, IntoId, ApSignature, PublicKey,
+    ActivityStream, Id, IntoId, ApSignature, PublicKey,
     inbox::WithInbox,
     sign::{Signer, gen_keypair}
 };
@@ -30,7 +30,7 @@ use serde_json;
 use url::Url;
 use webfinger::*;
 
-use {BASE_URL, USE_HTTPS};
+use {BASE_URL, USE_HTTPS, ap_url};
 use db_conn::DbConn;
 use blogs::Blog;
 use blog_authors::BlogAuthor;