diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 17eb2a543..a1d883496 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -116,7 +116,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        feature: [capture-io, "cli,doc", "cli,fmt", cli, workspace, languageserver, byte-code]
+        feature: [capture-io, "cli,doc", "cli,fmt", cli, workspace, languageserver, byte-code, emit]
     env:
       RUSTFLAGS: -D warnings
     steps:
diff --git a/crates/rune/src/compile/context.rs b/crates/rune/src/compile/context.rs
index 92247e731..2c2eafd4c 100644
--- a/crates/rune/src/compile/context.rs
+++ b/crates/rune/src/compile/context.rs
@@ -478,7 +478,7 @@ impl Context {
     }
 
     /// Lookup meta by its hash.
-    #[cfg(any(feature = "cli", feature = "languageserver"))]
+    #[cfg(any(feature = "cli", feature = "languageserver", feature = "emit"))]
     pub(crate) fn lookup_meta_by_hash(
         &self,
         hash: Hash,
@@ -508,7 +508,7 @@ impl Context {
     }
 
     /// Get all associated types for the given hash.
-    #[cfg(feature = "doc")]
+    #[cfg(feature = "cli")]
     pub(crate) fn associated(&self, hash: Hash) -> impl Iterator<Item = Hash> + '_ {
         self.associated
             .get(&hash)
@@ -519,7 +519,7 @@ impl Context {
     }
 
     /// Get all traits implemented for the given hash.
-    #[cfg(feature = "doc")]
+    #[cfg(feature = "cli")]
     pub(crate) fn traits(&self, hash: Hash) -> impl Iterator<Item = Hash> + '_ {
         self.implemented_traits
             .get(&hash)
@@ -546,7 +546,7 @@ impl Context {
     }
 
     /// Iterate over available crates.
-    #[cfg(feature = "doc")]
+    #[cfg(feature = "cli")]
     pub(crate) fn iter_crates(&self) -> impl Iterator<Item = &str> {
         self.crates.iter().map(|s| s.as_ref())
     }
diff --git a/crates/rune/src/compile/docs.rs b/crates/rune/src/compile/docs.rs
index e85a27fec..a93893f72 100644
--- a/crates/rune/src/compile/docs.rs
+++ b/crates/rune/src/compile/docs.rs
@@ -32,7 +32,7 @@ impl Docs {
     }
 
     /// Get lines of documentation.
-    #[cfg(feature = "doc")]
+    #[cfg(all(feature = "doc", any(feature = "languageserver", feature = "cli")))]
     pub(crate) fn lines(&self) -> &[String] {
         &self.docs
     }
diff --git a/crates/rune/src/compile/meta.rs b/crates/rune/src/compile/meta.rs
index 30d380c36..e08ca51fe 100644
--- a/crates/rune/src/compile/meta.rs
+++ b/crates/rune/src/compile/meta.rs
@@ -241,7 +241,7 @@ pub enum Kind {
 
 impl Kind {
     /// Access the underlying signature of the kind, if available.
-    #[cfg(feature = "doc")]
+    #[cfg(all(feature = "doc", any(feature = "languageserver", feature = "cli")))]
     pub(crate) fn as_signature(&self) -> Option<&Signature> {
         match self {
             Kind::Struct { constructor, .. } => constructor.as_ref(),
@@ -424,7 +424,7 @@ pub(crate) enum DocName {
     Index(#[try_clone(copy)] usize),
 }
 
-#[cfg(feature = "doc")]
+#[cfg(feature = "cli")]
 impl DocName {
     pub(crate) fn is_self(&self) -> bool {
         match self {
diff --git a/crates/rune/src/doc/mod.rs b/crates/rune/src/doc/mod.rs
index 6a0463c6b..b1d82d3ef 100644
--- a/crates/rune/src/doc/mod.rs
+++ b/crates/rune/src/doc/mod.rs
@@ -1,15 +1,24 @@
 //! Helper to generate documentation from a context.
 
+#[cfg(feature = "cli")]
 mod context;
+#[cfg(feature = "cli")]
 use self::context::Context;
 
+#[cfg(feature = "cli")]
 mod artifacts;
+#[cfg(feature = "cli")]
 pub(crate) use self::artifacts::{Artifacts, TestParams};
 
+#[cfg(feature = "cli")]
 mod templating;
 
+#[cfg(feature = "cli")]
 mod build;
+#[cfg(feature = "cli")]
 pub(crate) use self::build::build;
 
+#[cfg(any(feature = "languageserver", feature = "cli"))]
 mod visitor;
+#[cfg(any(feature = "languageserver", feature = "cli"))]
 pub(crate) use self::visitor::{Visitor, VisitorData};
diff --git a/crates/rune/src/doc/visitor.rs b/crates/rune/src/doc/visitor.rs
index 9b634d305..863234080 100644
--- a/crates/rune/src/doc/visitor.rs
+++ b/crates/rune/src/doc/visitor.rs
@@ -8,9 +8,12 @@ use crate::item::IntoComponent;
 use crate::{Hash, Item, ItemBuf};
 
 pub(crate) struct VisitorData {
+    #[cfg_attr(not(feature = "cli"), allow(dead_code))]
     pub(crate) item: ItemBuf,
+    #[cfg_attr(not(feature = "cli"), allow(dead_code))]
     pub(crate) hash: Hash,
     pub(crate) kind: Option<meta::Kind>,
+    #[cfg_attr(not(feature = "cli"), allow(dead_code))]
     pub(crate) deprecated: Option<String>,
     pub(crate) docs: Vec<String>,
     pub(crate) field_docs: HashMap<Box<str>, Vec<String>>,
@@ -71,6 +74,7 @@ impl Visitor {
     }
 
     /// Get meta by item.
+    #[cfg(feature = "cli")]
     pub(crate) fn get(&self, item: &Item) -> Option<&VisitorData> {
         let hash = self.item_to_hash.get(item)?;
         self.data.get(hash)
diff --git a/crates/rune/src/runtime/unit/storage.rs b/crates/rune/src/runtime/unit/storage.rs
index 5865d7025..6ea918885 100644
--- a/crates/rune/src/runtime/unit/storage.rs
+++ b/crates/rune/src/runtime/unit/storage.rs
@@ -197,6 +197,7 @@ cfg_std! {
 enum EncodeErrorKind {
     #[cfg(feature = "byte-code")]
     StorageError {
+        #[cfg_attr(not(feature = "std"), allow(dead_code))]
         error: storage::Error,
     },
     AllocError {