diff --git a/DiscImageChef.Decoders/ATA/Registers.cs b/DiscImageChef.Decoders/ATA/Registers.cs
index 00a7009db..56da0b6cb 100644
--- a/DiscImageChef.Decoders/ATA/Registers.cs
+++ b/DiscImageChef.Decoders/ATA/Registers.cs
@@ -74,7 +74,6 @@ namespace DiscImageChef.Decoders.ATA
         public byte CylinderLow;
         public byte CylinderHigh;
         public byte DeviceHead;
-        public byte Command;
     }
 
     public struct AtaErrorRegistersLba28
@@ -86,7 +85,6 @@ namespace DiscImageChef.Decoders.ATA
         public byte LbaMid;
         public byte LbaHigh;
         public byte DeviceHead;
-        public byte Command;
     }
 
     public struct AtaErrorRegistersLba48
@@ -98,6 +96,5 @@ namespace DiscImageChef.Decoders.ATA
         public ushort LbaMid;
         public ushort LbaHigh;
         public byte DeviceHead;
-        public byte Command;
     }
 }
\ No newline at end of file
diff --git a/DiscImageChef.Devices/Windows/Command.cs b/DiscImageChef.Devices/Windows/Command.cs
index 175ae502f..b074cfea9 100644
--- a/DiscImageChef.Devices/Windows/Command.cs
+++ b/DiscImageChef.Devices/Windows/Command.cs
@@ -186,7 +186,6 @@ namespace DiscImageChef.Devices.Windows
 
             duration = (end - start).TotalMilliseconds;
 
-            errorRegisters.Command = aptdBuf.aptd.CurrentTaskFile.Command;
             errorRegisters.CylinderHigh = aptdBuf.aptd.CurrentTaskFile.CylinderHigh;
             errorRegisters.CylinderLow = aptdBuf.aptd.CurrentTaskFile.CylinderLow;
             errorRegisters.DeviceHead = aptdBuf.aptd.CurrentTaskFile.DeviceHead;
@@ -276,7 +275,6 @@ namespace DiscImageChef.Devices.Windows
 
             duration = (end - start).TotalMilliseconds;
 
-            errorRegisters.Command = aptdBuf.aptd.CurrentTaskFile.Command;
             errorRegisters.LbaHigh = aptdBuf.aptd.CurrentTaskFile.CylinderHigh;
             errorRegisters.LbaMid = aptdBuf.aptd.CurrentTaskFile.CylinderLow;
             errorRegisters.DeviceHead = aptdBuf.aptd.CurrentTaskFile.DeviceHead;
@@ -382,7 +380,6 @@ namespace DiscImageChef.Devices.Windows
                                              aptdBuf.aptd.CurrentTaskFile.CylinderLow);
             errorRegisters.LbaHigh = (ushort)((aptdBuf.aptd.PreviousTaskFile.CylinderHigh << 8) +
                                               aptdBuf.aptd.CurrentTaskFile.CylinderHigh);
-            errorRegisters.Command = aptdBuf.aptd.CurrentTaskFile.Command;
             errorRegisters.DeviceHead = aptdBuf.aptd.CurrentTaskFile.DeviceHead;
             errorRegisters.Error = aptdBuf.aptd.CurrentTaskFile.Error;
             errorRegisters.Status = aptdBuf.aptd.CurrentTaskFile.Status;
@@ -436,7 +433,6 @@ namespace DiscImageChef.Devices.Windows
 
             duration = (end - start).TotalMilliseconds;
 
-            errorRegisters.Command = iptd.CurrentTaskFile.Command;
             errorRegisters.CylinderHigh = iptd.CurrentTaskFile.CylinderHigh;
             errorRegisters.CylinderLow = iptd.CurrentTaskFile.CylinderLow;
             errorRegisters.DeviceHead = iptd.CurrentTaskFile.DeviceHead;
@@ -494,7 +490,6 @@ namespace DiscImageChef.Devices.Windows
 
             duration = (end - start).TotalMilliseconds;
 
-            errorRegisters.Command = iptd.CurrentTaskFile.Command;
             errorRegisters.LbaHigh = iptd.CurrentTaskFile.CylinderHigh;
             errorRegisters.LbaMid = iptd.CurrentTaskFile.CylinderLow;
             errorRegisters.DeviceHead = iptd.CurrentTaskFile.DeviceHead;
diff --git a/DiscImageChef/Commands/DeviceInfo.cs b/DiscImageChef/Commands/DeviceInfo.cs
index 701664622..3e66e8138 100644
--- a/DiscImageChef/Commands/DeviceInfo.cs
+++ b/DiscImageChef/Commands/DeviceInfo.cs
@@ -176,7 +176,6 @@ namespace DiscImageChef.Commands
                                                   errorRegisters.CylinderLow);
                         DicConsole.DebugWriteLine("Device-Info command", "DEVICE = 0x{0:X2}",
                                                   errorRegisters.DeviceHead);
-                        DicConsole.DebugWriteLine("Device-Info command", "COMMAND = 0x{0:X2}", errorRegisters.Command);
                         DicConsole.DebugWriteLine("Device-Info command", "Error code = {0}", dev.LastError);
                         break;
                     }
@@ -241,7 +240,6 @@ namespace DiscImageChef.Commands
                                                   errorRegisters.CylinderLow);
                         DicConsole.DebugWriteLine("Device-Info command", "DEVICE = 0x{0:X2}",
                                                   errorRegisters.DeviceHead);
-                        DicConsole.DebugWriteLine("Device-Info command", "COMMAND = 0x{0:X2}", errorRegisters.Command);
                         DicConsole.DebugWriteLine("Device-Info command", "Error code = {0}", dev.LastError);
                         break;
                     }