--- dwm.c	2025-01-16 21:07:02.942737362 +0100
+++ dwm.c	2024-06-25 01:55:26.771203825 +0200
@@ -49,7 +48,7 @@
 #define CLEANMASK(mask)         (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
 #define INTERSECT(x,y,w,h,m)    (MAX(0, MIN((x)+(w),(m)->wx+(m)->ww) - MAX((x),(m)->wx)) \
                                * MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy)))
-#define ISVISIBLE(C)            (C->swallowed == NULL && (C->tags & C->mon->tagset[C->mon->seltags]))
+#define ISVISIBLE(C)            ((C->tags & C->mon->tagset[C->mon->seltags]))
 #define LENGTH(X)               (sizeof X / sizeof X[0])
 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 #define WIDTH(X)                ((X)->w + 2 * (X)->bw)
@@ -400,69 +386,6 @@ arrangemon(Monitor *m)
 		m->lt[m->sellt]->arrange(m);
 }
 
-pid_t
-wintopid(Window window) {
-  XResClientIdSpec spec;
-  spec.client = window;
-  spec.mask = XRES_CLIENT_ID_XID;
-
-  long count;
-  XResClientIdValue *output;
-  XResQueryClientIds(dpy, 1, &spec, &count, &output);
-
-  pid_t pid = -1;
-
-  for (int i = 0; i < count; ++i)
-    if (output[i].spec.mask == XRES_CLIENT_ID_PID_MASK) {
-      pid = *(pid_t *)output[i].value;
-      break;
-    }
-
-  XResClientIdsDestroy(count, output);
-
-  return pid;
-}
-
-void
-copyclientpos(Client *dst, Client *src) {
-	dst->bw = src->bw;
-	resizeclient(dst, src->x, src->y, src->w, src->h);
-	dst->oldx = src->oldx;
-	dst->oldy = src->oldy;
-	dst->oldw = src->oldw;
-	dst->oldh = src->oldh;
-	dst->oldbw = src->oldbw;
-	dst->oldstate = src->oldstate;
-	dst->isfullscreen = src->isfullscreen;
-	dst->isfloating = src->isfloating;
-	dst->tags = src->tags;
-	dst->mon = src->mon;
-}
-
-void
-checkswallowed(Client *c) {
-	pid_t pid = wintopid(c->win);
-
-	if(pid < 0) return;
-	for(SwallowDef *sd = swallowlist; sd != NULL; sd = sd->next) {
-		if(pid == sd->pid) {
-			c->swallower = sd->swallower;
-			copyclientpos(c, sd->swallower);
-
-			c->next_swallowed = c->swallower->swallowed;
-			c->swallower->swallowed = c;
-
-			c->next = c->swallower->next;
-			c->swallower->next = c;
-
-			c->snext = c->swallower->snext;
-			c->swallower->snext = c;
-
-			return;
-		}
-	}
-}
-
 void
 attach(Client *c)
 {