diff --git a/SabreTools.Library/DatFiles/DatFile.cs b/SabreTools.Library/DatFiles/DatFile.cs
index 5335b837..ddb0d809 100644
--- a/SabreTools.Library/DatFiles/DatFile.cs
+++ b/SabreTools.Library/DatFiles/DatFile.cs
@@ -513,48 +513,6 @@ namespace SabreTools.Library.DatFiles
 				_datHeader.StripHash = value;
 			}
 		}
-		public bool OneGameOneRegion
-		{
-			get
-			{
-				if (_datHeader == null)
-				{
-					_datHeader = new DatHeader();
-				}
-
-				return _datHeader.OneGameOneRegion;
-			}
-			set
-			{
-				if (_datHeader == null)
-				{
-					_datHeader = new DatHeader();
-				}
-
-				_datHeader.OneGameOneRegion = value;
-			}
-		}
-		public List<string> Regions
-		{
-			get
-			{
-				if (_datHeader == null)
-				{
-					_datHeader = new DatHeader();
-				}
-
-				return _datHeader.Regions;
-			}
-			set
-			{
-				if (_datHeader == null)
-				{
-					_datHeader = new DatHeader();
-				}
-
-				_datHeader.Regions = value;
-			}
-		}
 		public SortedBy SortedBy
 		{
 			get { return _sortedBy; }
@@ -5477,9 +5435,6 @@ namespace SabreTools.Library.DatFiles
 			// Output the number of items we're going to be writing
 			Globals.Logger.User("A total of {0} items will be written out to '{1}'", Count, FileName);
 
-			// Filter the DAT by 1G1R rules, if we're supposed to
-			// TODO: Create 1G1R logic before write
-
 			// If we are removing hashes, do that now
 			if (StripHash != 0x0)
 			{
diff --git a/SabreTools.Library/DatFiles/DatHeader.cs b/SabreTools.Library/DatFiles/DatHeader.cs
index cbbceb09..1b5c15f9 100644
--- a/SabreTools.Library/DatFiles/DatHeader.cs
+++ b/SabreTools.Library/DatFiles/DatHeader.cs
@@ -35,8 +35,6 @@ namespace SabreTools.Library.DatFiles
 		private bool _sceneDateStrip;
 		private DedupeType _dedupeRoms;
 		private Hash _stripHash;
-		private bool _oneGameOneRegion;
-		private List<string> _regions;
 
 		// Data specific to the Miss DAT type
 		private bool _useGame;
@@ -164,24 +162,6 @@ namespace SabreTools.Library.DatFiles
 			get { return _stripHash; }
 			set { _stripHash = value; }
 		}
-		public bool OneGameOneRegion
-		{
-			get { return _oneGameOneRegion; }
-			set { _oneGameOneRegion = value; }
-		}
-		public List<string> Regions
-		{
-			get
-			{
-				if (_regions == null)
-				{
-					_regions = new List<string>();
-				}
-
-				return _regions;
-			}
-			set { _regions = value; }
-		}
 
 		// Data specific to the Miss DAT type
 		public bool UseGame
@@ -266,8 +246,6 @@ namespace SabreTools.Library.DatFiles
 				_sceneDateStrip = this._sceneDateStrip,
 				_dedupeRoms = this._dedupeRoms,
 				_stripHash = this._stripHash,
-				_oneGameOneRegion = this._oneGameOneRegion,
-				_regions = this._regions,
 
 				_useGame = this._useGame,
 				_prefix = this._prefix,
diff --git a/SabreTools/SabreTools.Help.cs b/SabreTools/SabreTools.Help.cs
index 09178c86..5f844386 100644
--- a/SabreTools/SabreTools.Help.cs
+++ b/SabreTools/SabreTools.Help.cs
@@ -7,7 +7,6 @@ namespace SabreTools
 {
 	public partial class SabreTools
 	{
-		// TODO: Add 1G1R to the flags for update
 		public static Help RetrieveHelp()
 		{
 			// Create and add the header to the Help object
diff --git a/SabreTools/SabreTools.Inits.cs b/SabreTools/SabreTools.Inits.cs
index 0b86f504..f4024fdf 100644
--- a/SabreTools/SabreTools.Inits.cs
+++ b/SabreTools/SabreTools.Inits.cs
@@ -323,8 +323,6 @@ namespace SabreTools
 		/// <param name="bare">True if the date should not be appended to the default name, false otherwise [OBSOLETE]</param>
 		/// /* Filtering info */
 		/// <param name="filter">Pre-populated filter object for DAT filtering</param>
-		/// <param name="oneGameOneRegion">True if the outputs should be created in 1G1R mode, false otherwise</param>
-		/// <param name="regions">List of regions in the order they should be used, blank for default</param>
 		/// /* Trimming info */
 		/// <param name="splitType">Type of the split that should be performed (split, merged, fully merged)</param>
 		/// <param name="trim">True if we are supposed to trim names to NTFS length, false otherwise</param>
@@ -383,8 +381,6 @@ namespace SabreTools
 
 			/* Filtering info */
 			Filter filter,
-			bool oneGameOneRegion,
-			List<string> regions,
 
 			/* Trimming info */
 			SplitType splitType,
@@ -464,35 +460,6 @@ namespace SabreTools
 				}
 			}
 
-			// Set the 1G1R regions alphabetically if not already set
-			if (regions == null || regions.Count == 0)
-			{
-				regions = new List<string>()
-				{
-					"australia",
-					"canada",
-					"china",
-					"denmark",
-					"europe",
-					"finland",
-					"france",
-					"germany",
-					"greece",
-					"italy",
-					"japan",
-					"korea",
-					"netherlands",
-					"norway",
-					"russia",
-					"spain",
-					"sweden",
-					"usa",
-					"usa, australia",
-					"usa, europe",
-					"world",
-				};
-			}
-
 			// Normalize the extensions
 			addext = (addext == "" || addext.StartsWith(".") ? addext : "." + addext);
 			repext = (repext == "" || repext.StartsWith(".") ? repext : "." + repext);
@@ -552,8 +519,6 @@ namespace SabreTools
 				SceneDateStrip = sceneDateStrip,
 				DatFormat = datFormat,
 				StripHash = stripHash,
-				OneGameOneRegion = oneGameOneRegion,
-				Regions = regions,
 
 				UseGame = usegame,
 				Prefix = prefix,
diff --git a/SabreTools/SabreTools.cs b/SabreTools/SabreTools.cs
index 5550af78..4c5d397d 100644
--- a/SabreTools/SabreTools.cs
+++ b/SabreTools/SabreTools.cs
@@ -100,7 +100,6 @@ namespace SabreTools
 				inverse = false,
 				merge = false,
 				nostore = false,
-				oneGameOneRegion = false,
 				quickScan = false,
 				quotes = false,
 				remext = false,
@@ -162,7 +161,6 @@ namespace SabreTools
 			List<string> exta = new List<string>();
 			List<string> extb = new List<string>();
 			List<string> inputs = new List<string>();
-			List<string> regions = new List<string>();
 
 			// Get the first argument as a feature flag
 			string feature = args[0];
@@ -254,10 +252,6 @@ namespace SabreTools
 				switch (args[i])
 				{
 					// User flags
-					case "-1g1r":
-					case "--1g1r":
-						oneGameOneRegion = true;
-						break;
 					case "-ab":
 					case "--add-blank":
 						addBlankFilesForEmptyFolder = true;
@@ -860,10 +854,6 @@ namespace SabreTools
 					case "--root-dir":
 						root = args[++i];
 						break;
-					case "-reg":
-					case "--region":
-						regions.Add(args[++i]);
-						break;
 					case "-rep":
 					case "--rep-ext":
 						repext = args[++i];
@@ -1150,10 +1140,6 @@ namespace SabreTools
 								case "--root-dir":
 									root = argsplit[1];
 									break;
-								case "-reg":
-								case "--region":
-									regions.Add(argsplit[1]);
-									break;
 								case "-rep":
 								case "--rep-ext":
 									repext = argsplit[1];
@@ -1316,8 +1302,8 @@ namespace SabreTools
 			{
 				InitUpdate(inputs, basePaths, filename, name, description, rootdir, category, version, date, author, email, homepage, url, comment, header,
 					superdat, forcemerge, forcend, forcepack, excludeOf, sceneDateStrip, datFormat, usegame, prefix, postfix, quotes, repext, addext, remext,
-					datPrefix, romba, merge, updateMode, inplace, skip, removeDateFromAutomaticName, filter, oneGameOneRegion, regions,
-					splitType, trim, single, root, outDir, cleanGameNames, removeUnicode, descAsName, dedup, stripHash);
+					datPrefix, romba, merge, updateMode, inplace, skip, removeDateFromAutomaticName, filter, splitType, trim, single, root, outDir,
+					cleanGameNames, removeUnicode, descAsName, dedup, stripHash);
 			}
 
 			// If we're using the verifier