Index: libheif-rs/Cargo.toml
===================================================================
--- libheif-rs.orig/Cargo.toml
+++ libheif-rs/Cargo.toml
@@ -61,19 +61,8 @@ triplet = "x64-windows-static-md"
 
 [features]
 default = ["latest"]
-embedded-libheif = ["libheif-sys/embedded-libheif"]
 latest = ["v1_20"]
-v1_17 = ["libheif-sys/v1_17"]
-v1_18 = [
-    "v1_17",
-    "libheif-sys/v1_18",
-]
-v1_19 = [
-    "v1_18",
-    "libheif-sys/v1_19",
-]
 v1_20 = [
-    "v1_19",
     "libheif-sys/v1_20",
 ]
 
Index: libheif-rs/src/reader.rs
===================================================================
--- libheif-rs.orig/src/reader.rs
+++ libheif-rs/src/reader.rs
@@ -100,7 +100,7 @@ unsafe extern "C" fn wait_for_file_size(
     reader.wait_for_file_size(target_size) as _
 }
 
-#[cfg(not(feature = "v1_19"))]
+#[cfg(not(feature = "v1_20"))]
 pub(crate) static HEIF_READER: lh::heif_reader = lh::heif_reader {
     reader_api_version: 1,
     get_position: Some(get_position),
@@ -109,7 +109,7 @@ pub(crate) static HEIF_READER: lh::heif_
     wait_for_file_size: Some(wait_for_file_size),
 };
 
-#[cfg(feature = "v1_19")]
+#[cfg(feature = "v1_20")]
 pub(crate) static HEIF_READER: lh::heif_reader = lh::heif_reader {
     reader_api_version: 1,
     get_position: Some(get_position),