diff --git a/src/actions.ts b/src/actions.ts
index 022a442..68eaa21 100644
--- a/src/actions.ts
+++ b/src/actions.ts
@@ -168,13 +168,6 @@ function initActions(world: World) {
             });
         },
 
-        columnExpand: () => {
-            world.doIfTiledFocused(false, (window, column, grid) => {
-                column.expand();
-                grid.container.arrange();
-            });
-        },
-
         columnWidthIncrease: () => {
             world.doIfTiledFocused(false, (window, column, grid) => {
                 grid.increaseColumnWidth(column);
diff --git a/src/keyBindings/definition.ts b/src/keyBindings/definition.ts
index 49b6b4b..476c6af 100644
--- a/src/keyBindings/definition.ts
+++ b/src/keyBindings/definition.ts
@@ -110,13 +110,6 @@ const keyBindings: KeyBinding[] = [
         "defaultKeySequence": "Meta+Ctrl+Shift+End",
         "action": "columnMoveEnd",
     },
-    {
-        "name": "column-expand",
-        "description": "Expand column",
-        "comment": "Expands focused column horizontally to fill the screen",
-        "defaultKeySequence": "Meta+Ctrl+X",
-        "action": "columnExpand",
-    },
     {
         "name": "column-width-increase",
         "description": "Increase column width",
diff --git a/src/layout/Column.ts b/src/layout/Column.ts
index 92390c0..8a889dc 100644
--- a/src/layout/Column.ts
+++ b/src/layout/Column.ts
@@ -5,7 +5,6 @@ class Column {
     private readonly windows: LinkedList<Window>;
     private stacked: boolean;
     private focusTaker: Window|null;
-    private widthBeforeExpand: number;
     private static readonly minWidth = 10;
 
     constructor(grid: Grid, prevColumn: Column|null) {
@@ -14,7 +13,6 @@ class Column {
         this.windows = new LinkedList();
         this.stacked = grid.container.world.config.stackColumnsByDefault;
         this.focusTaker = null;
-        this.widthBeforeExpand = 0;
         this.grid = grid;
         this.grid.onColumnAdded(this, prevColumn);
     }
@@ -118,17 +116,6 @@ class Column {
         return this.gridX + this.width;
     }
 
-    expand() {
-        const maxWidth = this.getMaxWidth();
-        const isAlreadyExpanded = this.width === maxWidth && this.widthBeforeExpand > 0;
-        if (isAlreadyExpanded) {
-            this.setWidth(this.widthBeforeExpand, false);
-        } else {
-            this.widthBeforeExpand = this.width;
-            this.setWidth(maxWidth, false);
-        }
-    }
-
     adjustWindowHeight(window: Window, heightDelta: number, top: boolean) {
         const otherWindow = top ? this.windows.getPrev(window) : this.windows.getNext(window);
         if (otherWindow === null) {