diff --git a/lib/api/src/error.rs b/lib/api/src/error.rs
index 35400775b7d..75c1e806ea5 100644
--- a/lib/api/src/error.rs
+++ b/lib/api/src/error.rs
@@ -20,7 +20,7 @@ pub enum LinkError {
 
     /// A trap ocurred during linking.
     #[cfg_attr(feature = "std", error("RuntimeError occurred during linking: {0}"))]
-    Trap(#[source] RuntimeError),
+    Trap(#[cfg_attr(feature = "std", source)] RuntimeError),
     /// Insufficient resources available for linking.
     #[cfg_attr(feature = "std", error("Insufficient resources: {0}"))]
     Resource(String),
diff --git a/lib/api/src/lib.rs b/lib/api/src/lib.rs
index 36270943339..db04888e480 100644
--- a/lib/api/src/lib.rs
+++ b/lib/api/src/lib.rs
@@ -413,29 +413,143 @@
 //! [`wasmi`]: https://github.com/wasmi-labs/wasmi
 
 #[cfg(not(any(
-    feature = "sys",
-    feature = "js",
-    feature = "jsc",
+    feature = "singlepass",
+    feature = "cranelift",
+    feature = "llvm",
     feature = "wamr",
+    feature = "wasmi",
     feature = "v8",
-    feature = "wasmi"
+    feature = "js",
+    feature = "jsc"
 )))]
 compile_error!(
-    "One of: `sys`, `js`, `jsc` `wamr`, `wasmi` or `v8` features must be enabled. Please, pick one."
+    "wasmer requires enabling at least one backend feature: `sys`, `wamr`, `wasmi`, `v8`, `js`, or `jsc`."
 );
 
+#[cfg(all(
+    feature = "sys",
+    not(any(feature = "singlepass", feature = "cranelift", feature = "llvm"))
+))]
+compile_error!(
+    "the `sys` feature requires enabling at least one compiler backend: `singlepass`, `cranelift`, or `llvm`."
+);
+
+#[cfg(any(
+    feature = "cranelift",
+    feature = "singlepass",
+    feature = "llvm",
+    feature = "js",
+    feature = "jsc",
+    feature = "wamr",
+    feature = "v8",
+    feature = "wasmi"
+))]
 mod utils;
+
+#[cfg(any(
+    feature = "cranelift",
+    feature = "singlepass",
+    feature = "llvm",
+    feature = "js",
+    feature = "jsc",
+    feature = "wamr",
+    feature = "v8",
+    feature = "wasmi"
+))]
 pub use utils::*;
 
+#[cfg(any(
+    feature = "cranelift",
+    feature = "singlepass",
+    feature = "llvm",
+    feature = "js",
+    feature = "jsc",
+    feature = "wamr",
+    feature = "v8",
+    feature = "wasmi"
+))]
 mod entities;
+
+#[cfg(any(
+    feature = "cranelift",
+    feature = "singlepass",
+    feature = "llvm",
+    feature = "js",
+    feature = "jsc",
+    feature = "wamr",
+    feature = "v8",
+    feature = "wasmi"
+))]
 pub use entities::memory::{location::MemoryLocation, MemoryView};
+
+#[cfg(any(
+    feature = "cranelift",
+    feature = "singlepass",
+    feature = "llvm",
+    feature = "js",
+    feature = "jsc",
+    feature = "wamr",
+    feature = "v8",
+    feature = "wasmi"
+))]
 pub use entities::*;
 
+#[cfg(any(
+    feature = "cranelift",
+    feature = "singlepass",
+    feature = "llvm",
+    feature = "js",
+    feature = "jsc",
+    feature = "wamr",
+    feature = "v8",
+    feature = "wasmi"
+))]
 mod error;
+
+#[cfg(any(
+    feature = "cranelift",
+    feature = "singlepass",
+    feature = "llvm",
+    feature = "js",
+    feature = "jsc",
+    feature = "wamr",
+    feature = "v8",
+    feature = "wasmi"
+))]
 pub use error::*;
 
+#[cfg(any(
+    feature = "cranelift",
+    feature = "singlepass",
+    feature = "llvm",
+    feature = "js",
+    feature = "jsc",
+    feature = "wamr",
+    feature = "v8",
+    feature = "wasmi"
+))]
 mod backend;
+#[cfg(any(
+    feature = "cranelift",
+    feature = "singlepass",
+    feature = "llvm",
+    feature = "js",
+    feature = "jsc",
+    feature = "wamr",
+    feature = "v8",
+    feature = "wasmi"
+))]
 pub use backend::*;
+#[cfg(any(
+    feature = "cranelift",
+    feature = "singlepass",
+    feature = "llvm",
+    feature = "js",
+    feature = "jsc",
+    feature = "wamr",
+    feature = "v8",
+    feature = "wasmi"
+))]
 mod vm;
 
 pub use wasmer_types::{
diff --git a/lib/compiler/src/engine/artifact.rs b/lib/compiler/src/engine/artifact.rs
index faeeaea2fef..8ffa94129a1 100644
--- a/lib/compiler/src/engine/artifact.rs
+++ b/lib/compiler/src/engine/artifact.rs
@@ -448,7 +448,7 @@ impl Artifact {
             get_got_address(RelocationTarget::LibCall(wasmer_vm::LibCall::EHPersonality)),
         )?;
 
-        #[cfg(not(target_arch = "wasm32"))]
+        #[cfg(all(feature = "compiler", not(target_arch = "wasm32")))]
         {
             engine_inner.register_perfmap(&finished_functions, module_info)?;
         }
diff --git a/lib/compiler/src/engine/inner.rs b/lib/compiler/src/engine/inner.rs
index 8d1637fbadb..8ec297e4b62 100644
--- a/lib/compiler/src/engine/inner.rs
+++ b/lib/compiler/src/engine/inner.rs
@@ -536,7 +536,7 @@ impl EngineInner {
             .register_frame_info(frame_info);
     }
 
-    #[cfg(not(target_arch = "wasm32"))]
+    #[cfg(all(feature = "compiler", not(target_arch = "wasm32")))]
     pub(crate) fn register_perfmap(
         &self,
         finished_functions: &PrimaryMap<LocalFunctionIndex, FunctionExtent>,
diff --git a/lib/compiler/src/lib.rs b/lib/compiler/src/lib.rs
index e949a4329ae..56c4d5a0146 100644
--- a/lib/compiler/src/lib.rs
+++ b/lib/compiler/src/lib.rs
@@ -32,6 +32,7 @@ compile_error!("Both the `std` and `core` features are disabled. Please enable o
 extern crate alloc;
 
 #[allow(unused_imports)]
+#[cfg(any(feature = "std", feature = "core"))]
 mod lib {
     #[cfg(feature = "core")]
     pub mod std {
@@ -46,18 +47,27 @@ mod lib {
     }
 }
 
+#[cfg(any(feature = "std", feature = "core"))]
 mod engine;
+#[cfg(any(feature = "std", feature = "core"))]
 mod traits;
 
+#[cfg(any(feature = "std", feature = "core"))]
 pub mod object;
+#[cfg(any(feature = "std", feature = "core"))]
 pub mod serialize;
+#[cfg(any(feature = "std", feature = "core"))]
 pub mod types;
 
+#[cfg(any(feature = "std", feature = "core"))]
 pub use crate::engine::*;
+#[cfg(any(feature = "std", feature = "core"))]
 pub use crate::traits::*;
 
+#[cfg(any(feature = "std", feature = "core"))]
 mod artifact_builders;
 
+#[cfg(any(feature = "std", feature = "core"))]
 pub use self::artifact_builders::*;
 
 #[cfg(feature = "compiler")]