diff --git a/torchvision/prototype/datapoints/_datapoint.py b/torchvision/prototype/datapoints/_datapoint.py
index 5c50542b07d..848808d0250 100644
--- a/torchvision/prototype/datapoints/_datapoint.py
+++ b/torchvision/prototype/datapoints/_datapoint.py
@@ -230,7 +230,7 @@ def elastic(
     ) -> Datapoint:
         return self
 
-    def to_grayscale(self, num_output_channels: int = 1) -> Datapoint:
+    def rgb_to_grayscale(self, num_output_channels: int = 1) -> Datapoint:
         return self
 
     def adjust_brightness(self, brightness_factor: float) -> Datapoint:
diff --git a/torchvision/prototype/datapoints/_image.py b/torchvision/prototype/datapoints/_image.py
index 0b2ab7453ff..56939bf14d9 100644
--- a/torchvision/prototype/datapoints/_image.py
+++ b/torchvision/prototype/datapoints/_image.py
@@ -169,7 +169,7 @@ def elastic(
         )
         return Image.wrap_like(self, output)
 
-    def to_grayscale(self, num_output_channels: int = 1) -> Image:
+    def rgb_to_grayscale(self, num_output_channels: int = 1) -> Image:
         output = self._F.rgb_to_grayscale_image_tensor(
             self.as_subclass(torch.Tensor), num_output_channels=num_output_channels
         )
diff --git a/torchvision/prototype/datapoints/_video.py b/torchvision/prototype/datapoints/_video.py
index 50f9110f40c..6c24197a9ca 100644
--- a/torchvision/prototype/datapoints/_video.py
+++ b/torchvision/prototype/datapoints/_video.py
@@ -173,7 +173,7 @@ def elastic(
         )
         return Video.wrap_like(self, output)
 
-    def to_grayscale(self, num_output_channels: int = 1) -> Video:
+    def rgb_to_grayscale(self, num_output_channels: int = 1) -> Video:
         output = self._F.rgb_to_grayscale_image_tensor(
             self.as_subclass(torch.Tensor), num_output_channels=num_output_channels
         )
diff --git a/torchvision/prototype/transforms/functional/_color.py b/torchvision/prototype/transforms/functional/_color.py
index 719bd801e74..e1c8bb87cdd 100644
--- a/torchvision/prototype/transforms/functional/_color.py
+++ b/torchvision/prototype/transforms/functional/_color.py
@@ -46,7 +46,7 @@ def rgb_to_grayscale(
     if torch.jit.is_scripting() or is_simple_tensor(inpt):
         return rgb_to_grayscale_image_tensor(inpt, num_output_channels=num_output_channels)
     elif isinstance(inpt, datapoints._datapoint.Datapoint):
-        return inpt.to_grayscale(num_output_channels=num_output_channels)
+        return inpt.rgb_to_grayscale(num_output_channels=num_output_channels)
     elif isinstance(inpt, PIL.Image.Image):
         return rgb_to_grayscale_image_pil(inpt, num_output_channels=num_output_channels)
     else: