diff --git a/codegen-client/src/main/kotlin/software/amazon/smithy/rust/codegen/client/smithy/customizations/ApiKeyAuthDecorator.kt b/codegen-client/src/main/kotlin/software/amazon/smithy/rust/codegen/client/smithy/customizations/ApiKeyAuthDecorator.kt
index 97a9de8fb4..f7f42487fb 100644
--- a/codegen-client/src/main/kotlin/software/amazon/smithy/rust/codegen/client/smithy/customizations/ApiKeyAuthDecorator.kt
+++ b/codegen-client/src/main/kotlin/software/amazon/smithy/rust/codegen/client/smithy/customizations/ApiKeyAuthDecorator.kt
@@ -63,7 +63,7 @@ class ApiKeyAuthDecorator : ClientCodegenDecorator {
 
     override fun extras(codegenContext: ClientCodegenContext, rustCrate: RustCrate) {
         rustCrate.withModule(ClientRustModule.Config) {
-            rust("pub use #T;", apiKey(codegenContext.runtimeConfig))
+            rust("##[doc(hidden)] pub use #T;", apiKey(codegenContext.runtimeConfig))
         }
     }
 }