(guess) Remove `PreviousType.LastSearch` (RAM Search)

src/BizHawk.Client.Common/tools/RamSearchEngine/RamSearchEngine.cs

@@ -106,11 +106,6 @@ namespace BizHawk.Client.Common.RamSearchEngine
 					Compare.Difference => CompareDifference(_watchList).ToArray(),
 					_ => ComparePrevious(_watchList).ToArray()
 				};
-
-				if (_settings.PreviousType == PreviousType.LastSearch)
-				{
-					SetPreviousToCurrent();
-				}
 			}
 
 			if (UndoEnabled)

src/BizHawk.Client.Common/tools/RamSearchEngine/SearchEngineSettings.cs

@@ -15,7 +15,7 @@ namespace BizHawk.Client.Common.RamSearchEngine
 
 			Domain = memoryDomains.MainMemory;
 			CheckMisAligned = false;
-			PreviousType = PreviousType.LastSearch;
+			PreviousType = PreviousType.LastFrame;
 			UseUndoHistory = useUndoHistory;
 		}
 

src/BizHawk.Client.Common/tools/Watch/PreviousType.cs

@@ -3,7 +3,6 @@
 	public enum PreviousType
 	{
 		Original = 0,
-		LastSearch = 1,
 		LastFrame = 2,
 		LastChange = 3,
 	}

src/BizHawk.Client.EmuHawk/tools/Watch/RamSearch.Designer.cs

@@ -72,7 +72,6 @@ namespace BizHawk.Client.EmuHawk
 			this.DisplayTypeSubMenu = new BizHawk.WinForms.Controls.ToolStripMenuItemEx();
 			this.toolStripSeparator1 = new BizHawk.WinForms.Controls.ToolStripSeparatorEx();
 			this.DefinePreviousValueSubMenu = new BizHawk.WinForms.Controls.ToolStripMenuItemEx();
-			this.Previous_LastSearchMenuItem = new BizHawk.WinForms.Controls.ToolStripMenuItemEx();
 			this.PreviousFrameMenuItem = new BizHawk.WinForms.Controls.ToolStripMenuItemEx();
 			this.Previous_OriginalMenuItem = new BizHawk.WinForms.Controls.ToolStripMenuItemEx();
 			this.Previous_LastChangeMenuItem = new BizHawk.WinForms.Controls.ToolStripMenuItemEx();
@@ -401,18 +400,12 @@ namespace BizHawk.Client.EmuHawk
 			// DefinePreviousValueSubMenu
 			// 
 			this.DefinePreviousValueSubMenu.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
-            this.Previous_LastSearchMenuItem,
             this.PreviousFrameMenuItem,
             this.Previous_OriginalMenuItem,
             this.Previous_LastChangeMenuItem});
 			this.DefinePreviousValueSubMenu.Text = "Define Previous Value";
 			this.DefinePreviousValueSubMenu.DropDownOpened += new System.EventHandler(this.DefinePreviousValueSubMenu_DropDownOpened);
 			// 
-			// Previous_LastSearchMenuItem
-			// 
-			this.Previous_LastSearchMenuItem.Text = "Last &Search";
-			this.Previous_LastSearchMenuItem.Click += new System.EventHandler(this.Previous_LastSearchMenuItem_Click);
-			// 
 			// PreviousFrameMenuItem
 			// 
 			this.PreviousFrameMenuItem.Text = "&Previous Frame";
@@ -1137,7 +1130,6 @@ namespace BizHawk.Client.EmuHawk
 		private BizHawk.WinForms.Controls.ToolStripSeparatorEx toolStripSeparator8;
 		private BizHawk.WinForms.Controls.ToolStripMenuItemEx DefinePreviousValueSubMenu;
 		private BizHawk.WinForms.Controls.ToolStripMenuItemEx PreviousFrameMenuItem;
-		private BizHawk.WinForms.Controls.ToolStripMenuItemEx Previous_LastSearchMenuItem;
 		private BizHawk.WinForms.Controls.ToolStripMenuItemEx Previous_OriginalMenuItem;
 		private System.Windows.Forms.GroupBox CompareToBox;
 		private System.Windows.Forms.RadioButton DifferenceRadio;

src/BizHawk.Client.EmuHawk/tools/Watch/RamSearch.cs

@@ -784,11 +784,6 @@ namespace BizHawk.Client.EmuHawk
 			_settings.Mode = SearchMode.Fast;
 			_searches.SetMode(SearchMode.Fast);
 
-			if (_settings.PreviousType == PreviousType.LastFrame || _settings.PreviousType == PreviousType.LastChange)
-			{
-				SetPreviousType(PreviousType.LastSearch);
-			}
-
 			NumberOfChangesRadio.Enabled = false;
 			NumberOfChangesBox.Enabled = false;
 			NumberOfChangesBox.Text = "";
@@ -1084,7 +1079,6 @@ namespace BizHawk.Client.EmuHawk
 
 		private void DefinePreviousValueSubMenu_DropDownOpened(object sender, EventArgs e)
 		{
-			Previous_LastSearchMenuItem.Checked = false;
 			PreviousFrameMenuItem.Checked = false;
 			Previous_OriginalMenuItem.Checked = false;
 			Previous_LastChangeMenuItem.Checked = false;
@@ -1092,9 +1086,6 @@ namespace BizHawk.Client.EmuHawk
 			switch (_settings.PreviousType)
 			{
 				default:
-				case PreviousType.LastSearch:
-					Previous_LastSearchMenuItem.Checked = true;
-					break;
 				case PreviousType.LastFrame:
 					PreviousFrameMenuItem.Checked = true;
 					break;
@@ -1143,11 +1134,6 @@ namespace BizHawk.Client.EmuHawk
 			SetPreviousType(PreviousType.LastFrame);
 		}
 
-		private void Previous_LastSearchMenuItem_Click(object sender, EventArgs e)
-		{
-			SetPreviousType(PreviousType.LastSearch);
-		}
-
 		private void Previous_OriginalMenuItem_Click(object sender, EventArgs e)
 		{
 			SetPreviousType(PreviousType.Original);