diff --git a/rustboyadvance-core/src/core/cartridge/builder.rs b/rustboyadvance-core/src/core/cartridge/builder.rs
index 1114e84..3e9f87f 100644
--- a/rustboyadvance-core/src/core/cartridge/builder.rs
+++ b/rustboyadvance-core/src/core/cartridge/builder.rs
@@ -86,11 +86,13 @@ impl GamepakBuilder {
     pub fn build(mut self) -> GBAResult<Cartridge> {
         let (bytes, symbols) = if let Some(bytes) = self.bytes {
             match load_from_bytes(bytes.to_vec())? {
+                #[cfg(feature = "elf_support")]
                 LoadRom::Elf { data, symbols } => Ok((data, Some(symbols))),
                 LoadRom::Raw(data) => Ok((data, None)),
             }
         } else if let Some(path) = &self.path {
             match load_from_file(&path)? {
+                #[cfg(feature = "elf_support")]
                 LoadRom::Elf { data, symbols } => Ok((data, Some(symbols))),
                 LoadRom::Raw(data) => Ok((data, None)),
             }
diff --git a/rustboyadvance-core/src/core/cartridge/loader.rs b/rustboyadvance-core/src/core/cartridge/loader.rs
index 49d6119..474bde5 100644
--- a/rustboyadvance-core/src/core/cartridge/loader.rs
+++ b/rustboyadvance-core/src/core/cartridge/loader.rs
@@ -1,4 +1,6 @@
 use super::super::{GBAError, GBAResult};
+
+#[cfg(feature = "elf_support")]
 use std::collections::HashMap;
 use std::io::prelude::*;
 use std::io::Cursor;
@@ -11,6 +13,7 @@ use zip::ZipArchive;
 use goblin;
 
 pub enum LoadRom {
+    #[cfg(feature = "elf_support")]
     Elf {
         data: Vec<u8>,
         symbols: HashMap<String, u32>,