1 files changed, 11 insertions, 13 deletions
diff --git a/src/channel.rs b/src/channel.rs
index 27262d4..4b7555e 100644
--- a/src/channel.rs
+++ b/src/channel.rs
@@ -1,33 +1,31 @@
 //! ADC input channels
 use crate::{ic, Ads1x1x, BitFlags as BF, Config};
 
-mod private {
-    pub trait Sealed {}
-}
+use private::ChannelSelection;
 
 /// Marker type for an ADC input channel.
-pub trait ChannelId<T>: private::Sealed {
+pub trait ChannelId<T> {
     /// Get the channel.
     fn channel_id() -> ChannelSelection;
 }
 
 macro_rules! impl_channels {
     ($(#[doc = $doc:expr] $CH:ident => [$($IC:ident),+]),+ $(,)?) => {
-        #[derive(Debug, Clone, Copy)]
-        /// ADC input channel selection.
-        pub enum ChannelSelection {
-            $(
-                #[doc = $doc]
-                $CH,
-            )+
+        mod private {
+            #[derive(Debug, Clone, Copy)]
+            /// ADC input channel selection.
+            pub enum ChannelSelection {
+                $(
+                    #[doc = $doc]
+                    $CH,
+                )+
+            }
         }
 
         $(
             #[doc = $doc]
             pub struct $CH;
 
-            impl private::Sealed for $CH {}
-
             $(
                 impl<I2C, CONV, MODE> ChannelId<Ads1x1x<I2C, ic::$IC, CONV, MODE>> for $CH {
                     fn channel_id() -> ChannelSelection {