diff --git a/src/sparsetensors/quantization/lifecycle/forward.py b/src/sparsetensors/quantization/lifecycle/forward.py
index 3624229a..69a3f250 100644
--- a/src/sparsetensors/quantization/lifecycle/forward.py
+++ b/src/sparsetensors/quantization/lifecycle/forward.py
@@ -24,6 +24,7 @@
 __all__ = ["wrap_module_forward_quantized"]
 
 
+@torch.no_grad()
 def quantize(
     x: torch.Tensor,
     scale: torch.Tensor,
@@ -39,6 +40,7 @@ def quantize(
     )
 
 
+@torch.no_grad()
 def dequantize(
     x_q: torch.Tensor,
     scale: torch.Tensor,
@@ -47,6 +49,7 @@ def dequantize(
     return (x_q - zero_point) * scale
 
 
+@torch.no_grad()
 def fake_quantize(
     x: torch.Tensor,
     scale: torch.Tensor,