diff --git a/Cargo.toml b/Cargo.toml
index bd19297..b64fb50 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,4 +40,4 @@ inherits = "release"
 debug = true
 
 [package.metadata.docs.rs]
-all-features = true
\ No newline at end of file
+all-features = true
diff --git a/src/lib.rs b/src/lib.rs
index 8f03b6d..09f64a1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -9,6 +9,7 @@
 )]
 #![forbid(unsafe_code)]
 #![feature(portable_simd, avx512_target_feature)]
+#![feature(doc_cfg)]
 
 #[cfg(feature = "complex-nums")]
 use crate::utils::{combine_re_im, deinterleave_complex32, deinterleave_complex64};
@@ -90,8 +91,10 @@ macro_rules! impl_fft_interleaved_for {
     };
 }
 
+#[doc(cfg(feature = "complex-nums"))]
 #[cfg(feature = "complex-nums")]
 impl_fft_interleaved_for!(fft_32_interleaved, f32, fft_32, deinterleave_complex32);
+#[doc(cfg(feature = "complex-nums"))]
 #[cfg(feature = "complex-nums")]
 impl_fft_interleaved_for!(fft_64_interleaved, f64, fft_64, deinterleave_complex64);