diff --git a/src/api/limits.rs b/src/api/limits.rs
index ec609944..876a5f1b 100644
--- a/src/api/limits.rs
+++ b/src/api/limits.rs
@@ -1,39 +1,12 @@
 //! Settings for [`Engine`]'s limitations.
 #![cfg(not(feature = "unchecked"))]
 
+use super::default_limits;
 use crate::Engine;
 use std::num::{NonZeroU64, NonZeroUsize};
 #[cfg(feature = "no_std")]
 use std::prelude::v1::*;
 
-pub mod defaults {
-    #[cfg(not(feature = "unchecked"))]
-    #[cfg(debug_assertions)]
-    #[cfg(not(feature = "no_function"))]
-    pub const MAX_CALL_STACK_DEPTH: usize = 8;
-    #[cfg(not(feature = "unchecked"))]
-    #[cfg(debug_assertions)]
-    pub const MAX_EXPR_DEPTH: usize = 32;
-    #[cfg(not(feature = "unchecked"))]
-    #[cfg(not(feature = "no_function"))]
-    #[cfg(debug_assertions)]
-    pub const MAX_FUNCTION_EXPR_DEPTH: usize = 16;
-
-    #[cfg(not(feature = "unchecked"))]
-    #[cfg(not(debug_assertions))]
-    #[cfg(not(feature = "no_function"))]
-    pub const MAX_CALL_STACK_DEPTH: usize = 64;
-    #[cfg(not(feature = "unchecked"))]
-    #[cfg(not(debug_assertions))]
-    pub const MAX_EXPR_DEPTH: usize = 64;
-    #[cfg(not(feature = "unchecked"))]
-    #[cfg(not(feature = "no_function"))]
-    #[cfg(not(debug_assertions))]
-    pub const MAX_FUNCTION_EXPR_DEPTH: usize = 32;
-
-    pub const MAX_DYNAMIC_PARAMETERS: usize = 16;
-}
-
 /// A type containing all the limits imposed by the [`Engine`].
 ///
 /// Not available under `unchecked`.
@@ -84,10 +57,10 @@ impl Limits {
     pub const fn new() -> Self {
         Self {
             #[cfg(not(feature = "no_function"))]
-            max_call_stack_depth: defaults::MAX_CALL_STACK_DEPTH,
-            max_expr_depth: NonZeroUsize::new(defaults::MAX_EXPR_DEPTH),
+            max_call_stack_depth: default_limits::MAX_CALL_STACK_DEPTH,
+            max_expr_depth: NonZeroUsize::new(default_limits::MAX_EXPR_DEPTH),
             #[cfg(not(feature = "no_function"))]
-            max_function_expr_depth: NonZeroUsize::new(defaults::MAX_FUNCTION_EXPR_DEPTH),
+            max_function_expr_depth: NonZeroUsize::new(default_limits::MAX_FUNCTION_EXPR_DEPTH),
             max_operations: None,
             #[cfg(not(feature = "no_module"))]
             max_modules: usize::MAX,
diff --git a/src/api/mod.rs b/src/api/mod.rs
index 7accbaf6..13c5488a 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -27,6 +27,34 @@ use crate::{Engine, Identifier};
 #[cfg(feature = "no_std")]
 use std::prelude::v1::*;
 
+pub mod default_limits {
+    #[cfg(not(feature = "unchecked"))]
+    #[cfg(debug_assertions)]
+    #[cfg(not(feature = "no_function"))]
+    pub const MAX_CALL_STACK_DEPTH: usize = 8;
+    #[cfg(not(feature = "unchecked"))]
+    #[cfg(debug_assertions)]
+    pub const MAX_EXPR_DEPTH: usize = 32;
+    #[cfg(not(feature = "unchecked"))]
+    #[cfg(not(feature = "no_function"))]
+    #[cfg(debug_assertions)]
+    pub const MAX_FUNCTION_EXPR_DEPTH: usize = 16;
+
+    #[cfg(not(feature = "unchecked"))]
+    #[cfg(not(debug_assertions))]
+    #[cfg(not(feature = "no_function"))]
+    pub const MAX_CALL_STACK_DEPTH: usize = 64;
+    #[cfg(not(feature = "unchecked"))]
+    #[cfg(not(debug_assertions))]
+    pub const MAX_EXPR_DEPTH: usize = 64;
+    #[cfg(not(feature = "unchecked"))]
+    #[cfg(not(feature = "no_function"))]
+    #[cfg(not(debug_assertions))]
+    pub const MAX_FUNCTION_EXPR_DEPTH: usize = 32;
+
+    pub const MAX_DYNAMIC_PARAMETERS: usize = 16;
+}
+
 /// Script optimization API.
 #[cfg(not(feature = "no_optimize"))]
 impl Engine {