--- a/Cargo.toml
+++ b/Cargo.toml
@@ -50,3 +50,2 @@
     "serde/alloc",
-    "embedded-io-04?/alloc",
     "embedded-io-06?/alloc",
@@ -60,2 +60,1 @@
-embedded-io = ["dep:embedded-io-04"]
-embedded-io-04 = ["dep:embedded-io-04"]
+embedded-io = ["dep:embedded-io-06"]
@@ -78,5 +78,0 @@
-[dependencies.embedded-io-04]
-version = "0.4"
-optional = true
-package = "embedded-io"
-