diff --git a/src/dsp408/client/mod.rs b/src/dsp408/client/mod.rs
index 0ea48cb..13ae338 100644
--- a/src/dsp408/client/mod.rs
+++ b/src/dsp408/client/mod.rs
@@ -1,2 +1,2 @@
-pub mod dsp408;
+mod dsp408;
 pub use dsp408::DSP408;
\ No newline at end of file
diff --git a/src/dsp408/mapper/mod.rs b/src/dsp408/mapper/mod.rs
index 99a2b8e..9caed11 100644
--- a/src/dsp408/mapper/mod.rs
+++ b/src/dsp408/mapper/mod.rs
@@ -1,9 +1,8 @@
-pub mod channel;
-pub mod encoding;
-pub mod global;
-pub mod response;
-pub mod constants;
-
+mod channel;
+mod encoding;
+mod global;
+pub(crate) mod response;
+pub(crate) mod constants;
 
 pub use channel::*;
 pub use encoding::*;
diff --git a/src/dsp408/mod.rs b/src/dsp408/mod.rs
index 2923a16..a4e200c 100644
--- a/src/dsp408/mod.rs
+++ b/src/dsp408/mod.rs
@@ -1,6 +1,7 @@
+mod protocol;
 mod client;
 mod mapper;
-pub(crate) mod protocol;
+
 pub mod types;
 
 pub use client::DSP408;
\ No newline at end of file
diff --git a/src/dsp408/protocol/mod.rs b/src/dsp408/protocol/mod.rs
index 6410adf..0ee5afd 100644
--- a/src/dsp408/protocol/mod.rs
+++ b/src/dsp408/protocol/mod.rs
@@ -1,6 +1,8 @@
+mod reader;
+
 pub(crate) mod frame;
 pub(crate) mod commands;
-pub(crate) mod constants;
 pub(crate) mod validators;
-mod reader;
-pub(crate) mod config;
\ No newline at end of file
+pub(crate) mod config;
+
+pub mod constants;
\ No newline at end of file