diff --git a/crates/weft-app-shell/src/embedder.rs b/crates/weft-app-shell/src/embedder.rs
index 519c98b..5621a5c 100644
--- a/crates/weft-app-shell/src/embedder.rs
+++ b/crates/weft-app-shell/src/embedder.rs
@@ -340,6 +340,7 @@ fn load_ui_kit_script() -> Option<String> {
     std::fs::read_to_string(ui_kit_path()).ok()
 }
 
+#[allow(dead_code)]
 fn resolve_weft_system_url(url: &ServoUrl) -> Option<ServoUrl> {
     if url.scheme() != "weft-system" { return None; }
     let host = url.host_str().unwrap_or("");
diff --git a/crates/weft-runtime/src/main.rs b/crates/weft-runtime/src/main.rs
index 201f8c3..85b0c74 100644
--- a/crates/weft-runtime/src/main.rs
+++ b/crates/weft-runtime/src/main.rs
@@ -309,7 +309,7 @@ fn run_module(
         .map_err(|()| anyhow::anyhow!("wasm component run exited with error"))
 }
 
-#[cfg(feature = "net-fetch")]
+#[cfg(all(feature = "wasmtime-runtime", feature = "net-fetch"))]
 fn host_fetch(
     url: &str,
     method: &str,
@@ -336,7 +336,7 @@ fn host_fetch(
     Ok((status, content_type, body_bytes))
 }
 
-#[cfg(not(feature = "net-fetch"))]
+#[cfg(all(feature = "wasmtime-runtime", not(feature = "net-fetch")))]
 fn host_fetch(
     _url: &str,
     _method: &str,
@@ -346,6 +346,7 @@ fn host_fetch(
     Err("net-fetch capability not compiled in".to_owned())
 }
 
+#[cfg(feature = "wasmtime-runtime")]
 fn host_notify(title: &str, body: &str, icon: Option<&str>) -> Result<(), String> {
     let mut cmd = std::process::Command::new("notify-send");
     if let Some(i) = icon {