diff --git a/cidre/Cargo.toml b/cidre/Cargo.toml
index 447ca3b6..0cf1d56b 100644
--- a/cidre/Cargo.toml
+++ b/cidre/Cargo.toml
@@ -94,7 +94,7 @@ cmio = ["cm"]
 cv = ["cf", "cg"]
 ci = ["cf", "ns"]
 cg = ["cf"] # optional io, dispatch, blocks
-iio = ["cg"]
+iio = ["cg", "blocks"]
 objc = ["dep:cidre-macros"]
 ns = ["objc"]
 nl = ["ns"]
diff --git a/cidre/src/cg/image/animation.rs b/cidre/src/cg/image/animation.rs
index acb7978c..fa6da17a 100644
--- a/cidre/src/cg/image/animation.rs
+++ b/cidre/src/cg/image/animation.rs
@@ -52,7 +52,6 @@ impl OptKey {
     }
 }
 
-#[cfg(feature = "blocks")]
 #[doc(alias = "CGAnimateImageAtURLWithBlock")]
 #[inline]
 pub fn animate_image_at_url_with_block(
@@ -63,7 +62,6 @@ pub fn animate_image_at_url_with_block(
     unsafe { CGAnimateImageAtURLWithBlock(url, options, block).result() }
 }
 
-#[cfg(feature = "blocks")]
 #[doc(alias = "CGAnimateImageAtURLWithBlock")]
 #[inline]
 pub fn animate_image_at_url(
@@ -75,7 +73,6 @@ pub fn animate_image_at_url(
     unsafe { CGAnimateImageAtURLWithBlock(url, options, &mut block).result() }
 }
 
-#[cfg(feature = "blocks")]
 #[doc(alias = "CGAnimateImageDataWithBlock")]
 #[inline]
 pub fn animate_image_data_with_block(
@@ -86,7 +83,6 @@ pub fn animate_image_data_with_block(
     unsafe { CGAnimateImageDataWithBlock(data, options, block).result() }
 }
 
-#[cfg(feature = "blocks")]
 #[doc(alias = "CGAnimateImageDataWithBlock")]
 #[inline]
 pub fn animate_image_data(