diff --git a/codes/models/archs/RRDBNet_arch.py b/codes/models/archs/RRDBNet_arch.py
index ba492b70..65bcc569 100644
--- a/codes/models/archs/RRDBNet_arch.py
+++ b/codes/models/archs/RRDBNet_arch.py
@@ -103,15 +103,6 @@ class RRDBTrunk(nn.Module):
         fea = fea + trunk
         return fea
 
-    def get_debug_values(self, step, prefix):
-        val = {}
-        i = 0
-        for block in self.RRDB_trunk._modules.values():
-            if hasattr(block, "get_debug_values"):
-                val.update(block.get_debug_values(step, "%s_rdb_%i" % (prefix, i)))
-                i += 1
-        return val
-
 
 # Adds some base methods that all RRDB* classes will use.
 class RRDBBase(nn.Module):
@@ -125,14 +116,6 @@ class RRDBBase(nn.Module):
             for layer in trunk.rrdb_layers:
                 layer.set_temperature(temp)
 
-    def get_debug_values(self, step):
-        val = {}
-        for i, trunk in enumerate(self.trunks):
-            for j, block in enumerate(trunk.RRDB_trunk._modules.values()):
-                if hasattr(block, "get_debug_values"):
-                    val.update(block.get_debug_values(step, "trunk_%i_block_%i" % (i, j)))
-        return val
-
 
 # This class uses a RRDBTrunk to perform processing on an image, then upsamples it.
 class RRDBNet(RRDBBase):
@@ -164,7 +147,7 @@ class RRDBNet(RRDBBase):
         fea = self.lrelu(self.upconv2(fea))
         out = self.conv_last(self.lrelu(self.HRconv(fea)))
 
-        return (out,)
+        return out
 
     def load_state_dict(self, state_dict, strict=True):
         # The parameters in self.trunk used to be in this class. To support loading legacy saves, restore them.