diff --git a/crates/snapbox/src/action.rs b/crates/snapbox/src/assert/action.rs
similarity index 100%
rename from crates/snapbox/src/action.rs
rename to crates/snapbox/src/assert/action.rs
diff --git a/crates/snapbox/src/assert/mod.rs b/crates/snapbox/src/assert/mod.rs
index 361aee55..64e3155a 100644
--- a/crates/snapbox/src/assert/mod.rs
+++ b/crates/snapbox/src/assert/mod.rs
@@ -1,3 +1,5 @@
+mod action;
+
 #[cfg(feature = "color")]
 use anstream::panic;
 #[cfg(feature = "color")]
@@ -6,7 +8,9 @@ use anstream::stderr;
 use std::io::stderr;
 
 use crate::filter::{Filter as _, FilterMatches, FilterNewlines, FilterPaths};
-use crate::Action;
+
+pub use action::Action;
+pub use action::DEFAULT_ACTION_ENV;
 
 /// Snapshot assertion against a file's contents
 ///
diff --git a/crates/snapbox/src/lib.rs b/crates/snapbox/src/lib.rs
index f1257c92..4bd49a09 100644
--- a/crates/snapbox/src/lib.rs
+++ b/crates/snapbox/src/lib.rs
@@ -95,7 +95,6 @@
 #![warn(clippy::print_stderr)]
 #![warn(clippy::print_stdout)]
 
-mod action;
 mod error;
 mod macros;
 mod substitutions;
@@ -111,8 +110,8 @@ pub mod utils;
 #[cfg(feature = "harness")]
 pub mod harness;
 
-pub use action::Action;
-pub use action::DEFAULT_ACTION_ENV;
+#[deprecated(since = "0.5.11", note = "Replaced with `assert::Assert`")]
+pub use assert::Action;
 pub use assert::Assert;
 pub use data::Data;
 pub use data::ToDebug;
@@ -120,6 +119,9 @@ pub use error::Error;
 pub use snapbox_macros::debug;
 pub use substitutions::Substitutions;
 
+#[deprecated(since = "0.5.11", note = "Replaced with `assert::DEFAULT_ACTION_ENV`")]
+pub const DEFAULT_ACTION_ENV: &str = assert::DEFAULT_ACTION_ENV;
+
 pub type Result<T, E = Error> = std::result::Result<T, E>;
 
 /// Check if a value is the same as an expected value