diff --git a/.gitignore b/.gitignore
index e98565f..7016fa2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
 nimcache/
 boomer
-x11ex
 *.ppm
diff --git a/boomer.nimble b/boomer.nimble
index 27dc4c8..55d080c 100644
--- a/boomer.nimble
+++ b/boomer.nimble
@@ -3,6 +3,6 @@ author      = "me"
 description = "Zoomer application for boomers"
 license     = "MIT"
 srcDir      = "src"
-bin         = @["boomer", "x11ex"]
+bin         = @["boomer"]
 
 requires "nim >= 0.18.0", "x11 >= 1.1", "opengl >= 1.2.3"
diff --git a/src/x11ex.nim b/src/x11ex.nim
deleted file mode 100644
index 30839a4..0000000
--- a/src/x11ex.nim
+++ /dev/null
@@ -1,94 +0,0 @@
-import x11/xlib, x11/xutil, x11/x, x11/keysym
-
-type
-  Hello* = object
-    running*: bool
-    display: PDisplay
-    screen: cint
-    win: TWindow
-    wmDeleteMessage: TAtom
-    message: cstring
-
-proc create_hello*(width, height: int,
-                   message: string): Hello =
-  result.message = message
-  result.display = XOpenDisplay(nil)
-  if result.display == nil:
-    quit "Failed to open display"
-
-  result.screen = XDefaultScreen(result.display)
-  var rootwin = XRootWindow(result.display, result.screen)
-  result.win =
-    XCreateSimpleWindow(result.display, rootwin,
-                        100, 10,
-                        width.cuint, height.cuint, 5,
-                        XBlackPixel(result.display,
-                                    result.screen),
-                        XWhitePixel(result.display,
-                                    result.screen))
-
-  var size_hints = TXSizeHints(
-    flags: PSize or PMinSize or PMaxSize,
-    min_width: width.cint,
-    max_width: width.cint,
-    min_height: height.cint,
-    max_height: height.cint)
-
-  discard XSetStandardProperties(result.display,
-                                 result.win,
-                                 "Simple Window",
-                                 "window",
-                                 0, nil, 0,
-                                 addr(size_hints))
-  discard XSelectInput(result.display, result.win,
-                       ButtonPressMask or KeyPressMask or
-                       PointerMotionMask or ExposureMask)
-  discard XMapWindow(result.display, result.win)
-
-  result.wmDeleteMessage =
-    XInternAtom(result.display,
-                "WM_DELETE_WINDOW",
-                false.TBool)
-
-  discard XSetWMProtocols(result.display,
-                          result.win,
-                          result.wmDeleteMessage.addr, 1)
-  result.running = true
-
-proc close* (hello: Hello) =
-  discard XDestroyWindow(hello.display, hello.win)
-  discard XCloseDisplay(hello.display)
-
-proc draw* (hello: Hello) =
-  discard XDrawString(hello.display,
-                      hello.win,
-                      DefaultGC(hello.display, hello.screen),
-                      10, 50,
-                      hello.message,
-                      hello.message.len.cint)
-
-proc handle_event* (hello: var Hello) =
-  var xev: TXEvent
-  discard XNextEvent(hello.display, xev.addr)
-  case xev.theType
-  of Expose:
-    hello.draw()
-  of ClientMessage:
-    if cast[TAtom](xev.xclient.data.l[0]) == hello.wmDeleteMessage:
-      hello.running = false
-  of KeyPress:
-    var key = XLookupKeysym(cast[PXKeyEvent](xev.addr), 0)
-    if key != 0:
-      echo "Keyboard event"
-  of ButtonPressMask, PointerMotionMask:
-    echo "Mouse event"
-  else:
-    discard
-
-proc main =
-  var hello = createHello(800, 600, "Hello!")
-  defer: hello.close()
-  while hello.running:
-    hello.handle_event()
-
-main()