diff --git a/crates/ml/src/cuda_pipeline/gpu_dqn_trainer.rs b/crates/ml/src/cuda_pipeline/gpu_dqn_trainer.rs
index add9b25b1..7af63269f 100644
--- a/crates/ml/src/cuda_pipeline/gpu_dqn_trainer.rs
+++ b/crates/ml/src/cuda_pipeline/gpu_dqn_trainer.rs
@@ -1026,26 +1026,6 @@ impl GpuDqnTrainer {
         self.params_buf.raw_ptr()
     }
 
-    /// Raw pointer to CQL gradient scratch buffer (for NaN diagnostics).
-    pub fn cql_grad_scratch_ptr(&self) -> u64 {
-        self.cql_grad_scratch.raw_ptr()
-    }
-
-    /// Raw pointer to IQN trunk gradient scratch (for NaN diagnostics).
-    pub fn iqn_trunk_m_ptr(&self) -> u64 {
-        self.ptrs.iqn_trunk_m
-    }
-
-    /// Raw pointer to saved h_s1 activations (for NaN diagnostics).
-    pub fn save_h_s1_ptr(&self) -> u64 {
-        self.save_h_s1.raw_ptr()
-    }
-
-    /// Raw CUDA stream handle (for synchronous diagnostics).
-    pub fn stream_cu(&self) -> cudarc::driver::sys::CUstream {
-        self.stream.cu_stream()
-    }
-
     /// Total number of trainable parameters.
     pub fn total_params(&self) -> usize {
         self.total_params