diff --git a/BizHawk.Client.Common/Api/Classes/MemApi.cs b/BizHawk.Client.Common/Api/Classes/MemApi.cs
index c76dd0edb9..702512af95 100644
--- a/BizHawk.Client.Common/Api/Classes/MemApi.cs
+++ b/BizHawk.Client.Common/Api/Classes/MemApi.cs
@@ -95,7 +95,7 @@ namespace BizHawk.Client.Common
 		private void WriteUnsignedByte(long addr, uint v, string domain = null)
 		{
 			var d = NamedDomainOrCurrent(domain);
-			if (!d.CanPoke())
+			if (!d.Writable)
 			{
 				LogCallback($"Error: the domain {d.Name} is not writable");
 				return;
@@ -235,7 +235,7 @@ namespace BizHawk.Client.Common
 		public void WriteByteRange(long addr, List<byte> memoryblock, string domain = null)
 		{
 			var d = NamedDomainOrCurrent(domain);
-			if (!d.CanPoke())
+			if (!d.Writable)
 			{
 				LogCallback($"Error: the domain {d.Name} is not writable");
 				return;
@@ -261,7 +261,7 @@ namespace BizHawk.Client.Common
 		public void WriteFloat(long addr, double value, string domain = null)
 		{
 			var d = NamedDomainOrCurrent(domain);
-			if (!d.CanPoke())
+			if (!d.Writable)
 			{
 				LogCallback($"Error: the domain {Domain.Name} is not writable");
 				return;
diff --git a/BizHawk.Client.EmuHawk/tools/HexEditor/HexEditor.cs b/BizHawk.Client.EmuHawk/tools/HexEditor/HexEditor.cs
index ef366b3ab0..ae26b4c960 100644
--- a/BizHawk.Client.EmuHawk/tools/HexEditor/HexEditor.cs
+++ b/BizHawk.Client.EmuHawk/tools/HexEditor/HexEditor.cs
@@ -629,7 +629,7 @@ namespace BizHawk.Client.EmuHawk
 				HexScrollBar.Value = 0;
 			}
 
-			AddressesLabel.ForeColor = _domain.CanPoke()
+			AddressesLabel.ForeColor = _domain.Writable
 				? SystemColors.ControlText
 				: SystemColors.ControlDarkDark;
 
@@ -649,7 +649,7 @@ namespace BizHawk.Client.EmuHawk
 		private void UpdateGroupBoxTitle()
 		{
 			var addressesString = "0x" + $"{_domain.Size / DataSize:X8}".TrimStart('0');
-			var viewerText = $"{Emulator.SystemId} {_domain}{(_domain.CanPoke() ? string.Empty : " (READ-ONLY)")}  -  {addressesString} addresses";
+			var viewerText = $"{Emulator.SystemId} {_domain}{(_domain.Writable ? string.Empty : " (READ-ONLY)")}  -  {addressesString} addresses";
 			if (_nibbles.Any())
 			{
 				viewerText += $"  Typing: ({MakeNibbles()})";
@@ -1245,7 +1245,7 @@ namespace BizHawk.Client.EmuHawk
 
 		private void importAsBinaryToolStripMenuItem_Click(object sender, EventArgs e)
 		{
-			if(!_domain.CanPoke())
+			if(!_domain.Writable)
 			{
 				MessageBox.Show("This Memory Domain can't be Poked; so importing can't work");
 				return;
@@ -1360,10 +1360,10 @@ namespace BizHawk.Client.EmuHawk
 		{
 			var data = Clipboard.GetDataObject();
 			PasteMenuItem.Enabled =
-				_domain.CanPoke() &&
-				(_highlightedAddress.HasValue || _secondaryHighlightedAddresses.Any()) &&
-				data != null &&
-				data.GetDataPresent(DataFormats.Text);
+				_domain.Writable
+				&& (_highlightedAddress.HasValue || _secondaryHighlightedAddresses.Any())
+				&& data != null
+				&& data.GetDataPresent(DataFormats.Text);
 
 			FindNextMenuItem.Enabled = !string.IsNullOrWhiteSpace(_findStr);
 		}
@@ -1536,7 +1536,7 @@ namespace BizHawk.Client.EmuHawk
 			PokeAddressMenuItem.Enabled =
 				FreezeAddressMenuItem.Enabled =
 				_highlightedAddress.HasValue &&
-				_domain.CanPoke();
+				_domain.Writable;
 		}
 
 		private void MemoryDomainsMenuItem_DropDownOpened(object sender, EventArgs e)
@@ -1619,7 +1619,7 @@ namespace BizHawk.Client.EmuHawk
 
 		private void FreezeAddressMenuItem_Click(object sender, EventArgs e)
 		{
-			if (!_domain.CanPoke())
+			if (!_domain.Writable)
 			{
 				return;
 			}
@@ -1648,7 +1648,7 @@ namespace BizHawk.Client.EmuHawk
 
 		private void PokeAddressMenuItem_Click(object sender, EventArgs e)
 		{
-			if (!_domain.CanPoke())
+			if (!_domain.Writable)
 			{
 				return;
 			}
@@ -1933,7 +1933,7 @@ namespace BizHawk.Client.EmuHawk
 				return;
 			}
 
-			if (!_domain.CanPoke() || !_highlightedAddress.HasValue)
+			if (!_domain.Writable || !_highlightedAddress.HasValue)
 			{
 				return;
 			}
@@ -1984,10 +1984,10 @@ namespace BizHawk.Client.EmuHawk
 				DecrementContextItem.Visible =
 				ContextSeparator2.Visible =
 				(_highlightedAddress.HasValue || _secondaryHighlightedAddresses.Any()) &&
-				_domain.CanPoke();
+				_domain.Writable;
 
 			UnfreezeAllContextItem.Visible = Global.CheatList.ActiveCount > 0;
-			PasteContextItem.Visible = _domain.CanPoke() && data != null && data.GetDataPresent(DataFormats.Text);
+			PasteContextItem.Visible = _domain.Writable && data != null && data.GetDataPresent(DataFormats.Text);
 
 			ContextSeparator1.Visible =
 				_highlightedAddress.HasValue ||
@@ -2011,7 +2011,7 @@ namespace BizHawk.Client.EmuHawk
 
 		private void IncrementContextItem_Click(object sender, EventArgs e)
 		{
-			if (!_domain.CanPoke())
+			if (!_domain.Writable)
 			{
 				return;
 			}
@@ -2028,7 +2028,7 @@ namespace BizHawk.Client.EmuHawk
 
 		private void DecrementContextItem_Click(object sender, EventArgs e)
 		{
-			if (!_domain.CanPoke())
+			if (!_domain.Writable)
 			{
 				return;
 			}
diff --git a/BizHawk.Client.EmuHawk/tools/Watch/RamSearch.cs b/BizHawk.Client.EmuHawk/tools/Watch/RamSearch.cs
index 524dad7566..8606fd4901 100644
--- a/BizHawk.Client.EmuHawk/tools/Watch/RamSearch.cs
+++ b/BizHawk.Client.EmuHawk/tools/Watch/RamSearch.cs
@@ -440,8 +440,8 @@ namespace BizHawk.Client.EmuHawk
 
 			PokeAddressToolBarItem.Enabled =
 				FreezeAddressToolBarItem.Enabled =
-				SelectedIndices.Any() &&
-				_searches.Domain.CanPoke();
+				SelectedIndices.Any()
+				&& _searches.Domain.Writable;
 		}
 
 		private long? CompareToValue
@@ -1227,7 +1227,7 @@ namespace BizHawk.Client.EmuHawk
 			PokeAddressMenuItem.Enabled =
 				FreezeAddressMenuItem.Enabled =
 				SelectedIndices.Any() &&
-				SelectedWatches.All(w => w.Domain.CanPoke());
+				SelectedWatches.All(w => w.Domain.Writable);
 
 			UndoMenuItem.Enabled =
 				ClearUndoMenuItem.Enabled =
@@ -1439,7 +1439,7 @@ namespace BizHawk.Client.EmuHawk
 			PokeContextMenuItem.Enabled =
 				FreezeContextMenuItem.Visible =
 				SelectedIndices.Any() &&
-				SelectedWatches.All(w => w.Domain.CanPoke());
+				SelectedWatches.All(w => w.Domain.Writable);
 
 			UnfreezeAllContextMenuItem.Visible = Global.CheatList.ActiveCount > 0;
 
@@ -1742,8 +1742,8 @@ namespace BizHawk.Client.EmuHawk
 
 			PokeAddressToolBarItem.Enabled =
 				FreezeAddressToolBarItem.Enabled =
-				SelectedIndices.Any() &&
-				_searches.Domain.CanPoke();
+				SelectedIndices.Any()
+				&& _searches.Domain.Writable;
 		}
 
 		private void WatchListView_Enter(object sender, EventArgs e)
diff --git a/BizHawk.Client.EmuHawk/tools/Watch/RamWatch.cs b/BizHawk.Client.EmuHawk/tools/Watch/RamWatch.cs
index d71fe4db1c..6d7df55ced 100644
--- a/BizHawk.Client.EmuHawk/tools/Watch/RamWatch.cs
+++ b/BizHawk.Client.EmuHawk/tools/Watch/RamWatch.cs
@@ -193,8 +193,8 @@ namespace BizHawk.Client.EmuHawk
 					UpdateValues();
 					PokeAddressToolBarItem.Enabled =
 						FreezeAddressToolBarItem.Enabled =
-						SelectedIndices.Any() &&
-						SelectedWatches.All(w => w.Domain.CanPoke());
+						SelectedIndices.Any()
+						&& SelectedWatches.All(w => w.Domain.Writable);
 				}
 			}
 		}
@@ -496,7 +496,7 @@ namespace BizHawk.Client.EmuHawk
 				PokeAddressToolBarItem.Enabled =
 					FreezeAddressToolBarItem.Enabled =
 					SelectedIndices.Any() &&
-					SelectedWatches.All(w => w.Domain.CanPoke());
+					SelectedWatches.All(w => w.Domain.Writable);
 			}
 		}
 
@@ -712,7 +712,7 @@ namespace BizHawk.Client.EmuHawk
 			PokeAddressMenuItem.Enabled =
 				FreezeAddressMenuItem.Enabled =
 				SelectedIndices.Any() &&
-				SelectedWatches.All(w => w.Domain.CanPoke());
+				SelectedWatches.All(w => w.Domain.Writable);
 
 			PauseMenuItem.Text = _paused ? "Unpause" : "Pause";
 		}
@@ -1059,7 +1059,7 @@ namespace BizHawk.Client.EmuHawk
 			PokeAddressToolBarItem.Enabled =
 				FreezeAddressToolBarItem.Enabled =
 				SelectedIndices.Any() &&
-				SelectedWatches.All(w => w.Domain.CanPoke());
+				SelectedWatches.All(w => w.Domain.Writable);
 		}
 
 		private void ColumnToggleCallback()
@@ -1109,8 +1109,8 @@ namespace BizHawk.Client.EmuHawk
 
 			PokeContextMenuItem.Enabled =
 				FreezeContextMenuItem.Visible =
-				SelectedIndices.Any() &&
-				SelectedWatches.All(w => w.Domain.CanPoke());
+				SelectedIndices.Any()
+				&& SelectedWatches.All(w => w.Domain.Writable);
 
 			var allCheats = SelectedWatches.All(x => Global.CheatList.IsActive(x.Domain, x.Address));
 
@@ -1209,8 +1209,8 @@ namespace BizHawk.Client.EmuHawk
 		{
 			PokeAddressToolBarItem.Enabled =
 				FreezeAddressToolBarItem.Enabled =
-				SelectedIndices.Any() &&
-				SelectedWatches.All(w => w.Domain.CanPoke());
+				SelectedIndices.Any()
+				&& SelectedWatches.All(w => w.Domain.Writable);
 		}
 
 		private void WatchListView_MouseDoubleClick(object sender, MouseEventArgs e)
diff --git a/BizHawk.Emulation.Common/Extensions.cs b/BizHawk.Emulation.Common/Extensions.cs
index 4af01c1aef..d56f37b1bd 100644
--- a/BizHawk.Emulation.Common/Extensions.cs
+++ b/BizHawk.Emulation.Common/Extensions.cs
@@ -201,11 +201,6 @@ namespace BizHawk.Emulation.Common
 			return core.ServiceProvider.GetService<IDisassemblable>();
 		}
 
-		public static bool CanPoke(this MemoryDomain d)
-		{
-			return d.Writable;
-		}
-
 		public static bool HasRegions(this IEmulator core)
 		{
 			return core != null && core.ServiceProvider.HasService<IRegionable>();