diff --git a/README.md b/README.md
index 05ba782..bf12fa0 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,8 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
 
 ### Changelog:
 
+2019-10-05 - Added killunsel patch
+
 2019-10-04 - Added maximize, movestack, monoclesymbol, noborder, tagall and tagintostack  patches
 
 2019-10-03 - Added onlyquitonempty and switchcol patches
@@ -222,6 +224,9 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
    - [unfloatvisible](https://dwm.suckless.org/patches/unfloatvisible/)
       - resets isfloating on any visible windows that have it set and optionally also applies a layout
 
+   - [killunsel](https://dwm.suckless.org/patches/killunsel/)
+      - kills all visible clients that are not selected (only the selected client will remain)
+
    - [urgentborder](https://dwm.suckless.org/patches/urgentborder/)
       - this patch makes "urgent" windows have different colors
 
diff --git a/config.def.h b/config.def.h
index 5640b51..ec350fc 100644
--- a/config.def.h
+++ b/config.def.h
@@ -364,6 +364,9 @@ static Key keys[] = {
 	{ MODKEY,                       XK_z,          showhideclient,      {0} },
 	#endif // AWESOMEBAR_PATCH
 	{ MODKEY|ShiftMask,             XK_c,          killclient,          {0} },
+	#if KILLUNSEL_PATCH
+	{ MODKEY|ShiftMask,             XK_x,          killunsel,           {0} },
+	#endif // KILLUNSEL_PATCH
 	#if SELFRESTART_PATCH
 	{ MODKEY|ShiftMask,             XK_r,          self_restart,        {0} },
 	#endif // SELFRESTART_PATCH
diff --git a/patch/include.c b/patch/include.c
index 714e4b4..204f2d8 100644
--- a/patch/include.c
+++ b/patch/include.c
@@ -52,6 +52,10 @@
 #include "holdbar.c"
 #endif
 
+#if KILLUNSEL_PATCH
+#include "killunsel.c"
+#endif
+
 #if MAXIMIZE_PATCH
 #include "maximize.c"
 #endif
diff --git a/patch/include.h b/patch/include.h
index 1cae911..38f5485 100644
--- a/patch/include.h
+++ b/patch/include.h
@@ -52,6 +52,10 @@
 #include "holdbar.h"
 #endif
 
+#if KILLUNSEL_PATCH
+#include "killunsel.h"
+#endif
+
 #if MAXIMIZE_PATCH
 #include "maximize.h"
 #endif
diff --git a/patch/killunsel.c b/patch/killunsel.c
new file mode 100644
index 0000000..9e06d53
--- /dev/null
+++ b/patch/killunsel.c
@@ -0,0 +1,22 @@
+void
+killunsel(const Arg *arg)
+{
+	Client *i = NULL;
+
+	if (!selmon->sel)
+		return;
+
+	for (i = selmon->clients; i; i = i->next) {
+		if (ISVISIBLE(i) && i != selmon->sel) {
+			if (!sendevent(i, wmatom[WMDelete])) {
+				XGrabServer(dpy);
+				XSetErrorHandler(xerrordummy);
+				XSetCloseDownMode(dpy, DestroyAll);
+				XKillClient(dpy, i->win);
+				XSync(dpy, False);
+				XSetErrorHandler(xerror);
+				XUngrabServer(dpy);
+			}
+		}
+	}
+}
\ No newline at end of file
diff --git a/patch/killunsel.h b/patch/killunsel.h
new file mode 100644
index 0000000..4f38a6e
--- /dev/null
+++ b/patch/killunsel.h
@@ -0,0 +1 @@
+static void killunsel(const Arg *arg);
\ No newline at end of file
diff --git a/patches.h b/patches.h
index d7a0642..9bd770a 100644
--- a/patches.h
+++ b/patches.h
@@ -175,6 +175,11 @@
  */
 #define HOLDBAR_PATCH 0
 
+/* This patch adds a keybinding to kills all visible clients that are not selected.
+ * https://dwm.suckless.org/patches/killunsel/
+ */
+#define KILLUNSEL_PATCH 0
+
 /* Moves the layout symbol in the status bar to the left hand side.
  * http://dwm.suckless.org/patches/leftlayout/
  */