diff --git a/codegen/src/main/kotlin/software/amazon/smithy/rust/codegen/rustlang/CargoDependency.kt b/codegen/src/main/kotlin/software/amazon/smithy/rust/codegen/rustlang/CargoDependency.kt
index 652b870aae231d6eb484c2549ca5b7e0cb3c0498..6c19c69afb94e2268c675208f49c9007a4880bd2 100644
--- a/codegen/src/main/kotlin/software/amazon/smithy/rust/codegen/rustlang/CargoDependency.kt
+++ b/codegen/src/main/kotlin/software/amazon/smithy/rust/codegen/rustlang/CargoDependency.kt
@@ -206,7 +206,6 @@ data class CargoDependency(
         val Ring: CargoDependency = CargoDependency("ring", CratesIo("0.16"))
         val TempFile: CargoDependency = CargoDependency("temp-file", CratesIo("0.1.6"), scope = DependencyScope.Dev)
         val TokioStream: CargoDependency = CargoDependency("tokio-stream", CratesIo("0.1.7"))
-        val AsyncStream: CargoDependency = CargoDependency("async-stream", CratesIo("0.3.2"))
         val Tower: CargoDependency = CargoDependency("tower", CratesIo("0.4"))
         val Tracing: CargoDependency = CargoDependency("tracing", CratesIo("0.1"))