--- heapless-0.7.16/Cargo.toml	1970-01-01T00:00:01+00:00
+++ heapless-0.7.16/Cargo.toml	2023-02-23T19:44:41.242083+00:00
@@ -70,10 +70,6 @@
 ufmt-impl = ["ufmt-write"]
 x86-sync-pool = []
 
-[target."cfg(target_arch = \"avr\")".dependencies.atomic-polyfill]
-version = "0.1.8"
-optional = true
-
 [target."cfg(target_arch = \"x86_64\")".dependencies.spin]
 version = "0.9.2"