diff --git a/NHSE.Core/Structures/Acres/Terrain/FieldItemLayer.cs b/NHSE.Core/Structures/Acres/Terrain/FieldItemLayer.cs
index c631f61..4e01896 100644
--- a/NHSE.Core/Structures/Acres/Terrain/FieldItemLayer.cs
+++ b/NHSE.Core/Structures/Acres/Terrain/FieldItemLayer.cs
@@ -1,4 +1,5 @@
-using System.Diagnostics;
+using System;
+using System.Diagnostics;
 
 namespace NHSE.Core
 {
@@ -60,5 +61,27 @@ public void ImportAcre(int acre, byte[] data)
                 tile.CopyFrom(tiles[i]);
             }
         }
+
+        public int ClearField(Func<FieldItemKind, bool> criteria)
+        {
+            int count = 0;
+            var fi = FieldItemList.Items;
+            foreach (var t in Tiles)
+            {
+                var disp = t.DisplayItemId;
+                if (!fi.TryGetValue(disp, out var val))
+                    continue;
+
+                if (!criteria(val.Kind))
+                    continue;
+                t.Delete();
+                count++;
+            }
+
+            return count;
+        }
+
+        public int RemoveAllHoles() => ClearField(z => z == FieldItemKind.UnitIconHole);
+        public int RemoveAllWeeds() => ClearField(z => z.IsWeed());
     }
 }
diff --git a/NHSE.Core/Structures/Item/FieldItem/FieldItemKind.cs b/NHSE.Core/Structures/Item/FieldItem/FieldItemKind.cs
index ac44b04..9eed2c8 100644
--- a/NHSE.Core/Structures/Item/FieldItem/FieldItemKind.cs
+++ b/NHSE.Core/Structures/Item/FieldItem/FieldItemKind.cs
@@ -49,4 +49,9 @@ public enum FieldItemKind : byte
         StoneE,
         UnitIconHole,
     }
+
+    public static class FieldItemKindExtensions
+    {
+        public static bool IsWeed(this FieldItemKind type) => FieldItemKind.PltWeedAut0 <= type && type <= FieldItemKind.PltWeedWin1;
+    }
 }
diff --git a/NHSE.WinForms/Subforms/FieldItemEditor.Designer.cs b/NHSE.WinForms/Subforms/FieldItemEditor.Designer.cs
index dac07e9..e629832 100644
--- a/NHSE.WinForms/Subforms/FieldItemEditor.Designer.cs
+++ b/NHSE.WinForms/Subforms/FieldItemEditor.Designer.cs
@@ -55,6 +55,8 @@ private void InitializeComponent()
             this.label1 = new System.Windows.Forms.Label();
             this.TT_Hover = new System.Windows.Forms.ToolTip(this.components);
             this.PB_Acre = new System.Windows.Forms.PictureBox();
+            this.B_RemoveAllWeeds = new System.Windows.Forms.Button();
+            this.B_FillHoles = new System.Windows.Forms.Button();
             this.CM_Click.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)(this.PB_Map)).BeginInit();
             this.CM_Picture.SuspendLayout();
@@ -320,11 +322,33 @@ private void InitializeComponent()
             this.PB_Acre.MouseClick += new System.Windows.Forms.MouseEventHandler(this.PB_Acre_MouseClick);
             this.PB_Acre.MouseMove += new System.Windows.Forms.MouseEventHandler(this.PB_Acre_MouseMove);
             // 
+            // B_RemoveAllWeeds
+            // 
+            this.B_RemoveAllWeeds.Location = new System.Drawing.Point(857, 235);
+            this.B_RemoveAllWeeds.Name = "B_RemoveAllWeeds";
+            this.B_RemoveAllWeeds.Size = new System.Drawing.Size(112, 40);
+            this.B_RemoveAllWeeds.TabIndex = 29;
+            this.B_RemoveAllWeeds.Text = "Remove Weeds";
+            this.B_RemoveAllWeeds.UseVisualStyleBackColor = true;
+            this.B_RemoveAllWeeds.Click += new System.EventHandler(this.B_RemoveAllWeeds_Click);
+            // 
+            // B_FillHoles
+            // 
+            this.B_FillHoles.Location = new System.Drawing.Point(857, 281);
+            this.B_FillHoles.Name = "B_FillHoles";
+            this.B_FillHoles.Size = new System.Drawing.Size(112, 40);
+            this.B_FillHoles.TabIndex = 30;
+            this.B_FillHoles.Text = "Fill Holes";
+            this.B_FillHoles.UseVisualStyleBackColor = true;
+            this.B_FillHoles.Click += new System.EventHandler(this.B_FillHoles_Click);
+            // 
             // FieldItemEditor
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(981, 537);
+            this.Controls.Add(this.B_FillHoles);
+            this.Controls.Add(this.B_RemoveAllWeeds);
             this.Controls.Add(this.PB_Acre);
             this.Controls.Add(this.label1);
             this.Controls.Add(this.NUD_Layer);
@@ -389,5 +413,7 @@ private void InitializeComponent()
         private System.Windows.Forms.Label label1;
         private System.Windows.Forms.ToolTip TT_Hover;
         private System.Windows.Forms.PictureBox PB_Acre;
+        private System.Windows.Forms.Button B_RemoveAllWeeds;
+        private System.Windows.Forms.Button B_FillHoles;
     }
 }
\ No newline at end of file
diff --git a/NHSE.WinForms/Subforms/FieldItemEditor.cs b/NHSE.WinForms/Subforms/FieldItemEditor.cs
index 50cae8e..c91e522 100644
--- a/NHSE.WinForms/Subforms/FieldItemEditor.cs
+++ b/NHSE.WinForms/Subforms/FieldItemEditor.cs
@@ -381,5 +381,29 @@ private void PB_Map_MouseMove(object sender, MouseEventArgs e)
         }
 
         private void NUD_Layer_ValueChanged(object sender, EventArgs e) => LoadGrid(X, Y);
+
+        private void B_RemoveAllWeeds_Click(object sender, EventArgs e)
+        {
+            int count = Layer.RemoveAllWeeds();
+            if (count == 0)
+            {
+                WinFormsUtil.Alert("Nothing removed from the map (none found).");
+                return;
+            }
+            LoadGrid(X, Y);
+            System.Media.SystemSounds.Asterisk.Play();
+        }
+
+        private void B_FillHoles_Click(object sender, EventArgs e)
+        {
+            int count = Layer.RemoveAllHoles();
+            if (count == 0)
+            {
+                WinFormsUtil.Alert("Nothing removed from the map (none found).");
+                return;
+            }
+            LoadGrid(X, Y);
+            System.Media.SystemSounds.Asterisk.Play();
+        }
     }
 }