diff --git a/candle-core/src/lib.rs b/candle-core/src/lib.rs
index 3504b0a6..0a64a5a6 100644
--- a/candle-core/src/lib.rs
+++ b/candle-core/src/lib.rs
@@ -112,12 +112,6 @@ impl ToUsize2 for (usize, usize) {
 // A simple trait defining a module with forward method using a single argument.
 pub trait Module: std::fmt::Debug {
     fn forward(&self, xs: &Tensor) -> Result<Tensor>;
-
-    /// Change the module to use training mode vs eval mode.
-    ///
-    /// The default implementation does nothing as this is only used for a couple modules such as
-    /// dropout or batch-normalization.
-    fn set_training(&mut self, _training: bool) {}
 }
 
 impl Module for quantized::QMatMul {