diff --git a/pagetop/src/html/assets/javascript.rs b/pagetop/src/html/assets/javascript.rs
index be7a42f2..848c81bc 100644
--- a/pagetop/src/html/assets/javascript.rs
+++ b/pagetop/src/html/assets/javascript.rs
@@ -13,8 +13,6 @@ pub enum ModeJS {
 #[derive(Default)]
 pub struct JavaScript {
     source : String,
-    prefix : &'static str,
-    version: &'static str,
     weight : isize,
     mode   : ModeJS,
 }
@@ -31,7 +29,7 @@ impl AssetsTrait for JavaScript {
     fn prepare(&self) -> Markup {
         html! {
             script type="text/javascript"
-                src=(crate::concat_string!(self.source, self.prefix, self.version))
+                src=(self.source)
                 async[self.mode == ModeJS::Async]
                 defer[self.mode == ModeJS::Defer]
                 {};
@@ -50,15 +48,6 @@ impl JavaScript {
         }
     }
 
-    pub fn with_version(mut self, version: &'static str) -> Self {
-        (self.prefix, self.version) = if version.is_empty() {
-            ("", "")
-        } else {
-            ("?ver=", version)
-        };
-        self
-    }
-
     pub fn with_weight(mut self, weight: isize) -> Self {
         self.weight = weight;
         self
diff --git a/pagetop/src/html/assets/stylesheet.rs b/pagetop/src/html/assets/stylesheet.rs
index 339f44f6..0afecfb7 100644
--- a/pagetop/src/html/assets/stylesheet.rs
+++ b/pagetop/src/html/assets/stylesheet.rs
@@ -12,8 +12,6 @@ pub enum TargetMedia {
 #[derive(Default)]
 pub struct StyleSheet {
     source : String,
-    prefix : &'static str,
-    version: &'static str,
     media  : Option<&'static str>,
     weight : isize,
 }
@@ -28,12 +26,7 @@ impl AssetsTrait for StyleSheet {
     }
 
     fn prepare(&self) -> Markup {
-        html! {
-            link
-                rel="stylesheet"
-                href=(crate::concat_string!(self.source, self.prefix, self.version))
-                media=[self.media];
-        }
+        html! { link rel="stylesheet" href=(self.source) media=[self.media]; }
     }
 }
 
@@ -48,15 +41,6 @@ impl StyleSheet {
         }
     }
 
-    pub fn with_version(mut self, version: &'static str) -> Self {
-        (self.prefix, self.version) = if version.is_empty() {
-            ("", "")
-        } else {
-            ("?ver=", version)
-        };
-        self
-    }
-
     pub fn with_weight(mut self, weight: isize) -> Self {
         self.weight = weight;
         self