diff --git a/library/compiler/linearizer.factor b/library/compiler/linearizer.factor
index 1f76c65bdc..b27fc4c274 100644
--- a/library/compiler/linearizer.factor
+++ b/library/compiler/linearizer.factor
@@ -10,7 +10,7 @@ GENERIC: linearize* ( node -- )
     #! Transform dataflow IR into linear IR. This strips out
     #! stack flow information, and flattens conditionals into
     #! jumps and labels.
-    [ %prologue , %irq , linearize* ] { } make ;
+    [ %prologue , linearize* ] { } make ;
 
 : linearize-next node-successor linearize* ;
 
@@ -20,7 +20,6 @@ M: node linearize* ( node -- ) linearize-next ;
 
 M: #label linearize* ( node -- )
     <label> [
-        %irq ,
         %return-to ,
         dup node-param %label ,
         dup node-child linearize*
diff --git a/library/compiler/ppc/generator.factor b/library/compiler/ppc/generator.factor
index aca694a0c5..97fd415a0d 100644
--- a/library/compiler/ppc/generator.factor
+++ b/library/compiler/ppc/generator.factor
@@ -117,17 +117,3 @@ M: %type generate-node ( vop -- )
 M: %tag generate-node ( vop -- )
     dup 0 vop-in v>operand swap 0 vop-out v>operand
     [ tag-mask ANDI ] keep dup tag-fixnum ;
-
-M: %irq generate-node ( vop -- )
-    #! Interrupt check.
-    drop
-    <label> "end" set
-    ! Load interruption flag
-    "interrupt" f 3 compile-dlsym
-    3 3 0 LWZ
-    ! Is it set?
-    0 3 0 CMPI
-    "end" get BEQ
-    ! Call the FEP.
-    "factorbug" f compile-c-call
-    "end" get save-xt ;
diff --git a/library/compiler/vops.factor b/library/compiler/vops.factor
index bbe5cf63e4..531b167720 100644
--- a/library/compiler/vops.factor
+++ b/library/compiler/vops.factor
@@ -77,11 +77,6 @@ M: vop stack-reserve drop 0 ;
 : 2-vop ( in dest) [ 2array ] keep 1array f ;
 : 3-vop ( in1 in2 dest) >r 2array r> 1array f ;
 
-! interruption check
-TUPLE: %irq ;
-C: %irq make-vop ;
-: %irq empty-vop <%irq> ;
-
 ! miscellanea
 TUPLE: %prologue ;
 C: %prologue make-vop ;
diff --git a/library/compiler/x86/generator.factor b/library/compiler/x86/generator.factor
index 3ba05ced90..b3e3a8baab 100644
--- a/library/compiler/x86/generator.factor
+++ b/library/compiler/x86/generator.factor
@@ -88,11 +88,3 @@ M: %tag generate-node ( vop -- )
 
 M: %untag generate-node ( vop -- )
     0 vop-out v>operand tag-mask bitnot AND ;
-
-M: %irq generate-node ( vop -- )
-    "end" <label> set
-    drop
-    "interrupt" f [ 0 CMP ] compile-dlsym
-    "end" get JE
-    "factorbug" f compile-c-call
-    "end" get save-xt ;
diff --git a/library/ui/events.factor b/library/ui/events.factor
index ffd68f5a76..35f552c07a 100644
--- a/library/ui/events.factor
+++ b/library/ui/events.factor
@@ -2,22 +2,28 @@
 ! See http://factor.sf.net/license.txt for BSD license.
 IN: gadgets
 USING: arrays alien gadgets-layouts generic kernel lists math
-namespaces sdl sequences strings ;
-
-GENERIC: handle-event ( event -- )
+namespaces sdl sequences strings freetype opengl ;
 
 M: object handle-event ( event -- )
     drop ;
 
 M: button-down-event handle-event ( event -- )
-    button-event-button button/ ;
+    update-clicked
+    button-event-button dup
+    hand get hand-buttons push
+    [ button-down ] button-gesture ;
 
 M: button-up-event handle-event ( event -- )
-    button-event-button button\ ;
+    button-event-button dup
+    hand get hand-buttons delete
+    [ button-up ] button-gesture ;
 
 : motion-event-loc ( event -- loc )
     dup motion-event-x swap motion-event-y 0 3array ;
 
+M: motion-event handle-event ( event -- )
+    motion-event-loc move-hand ;
+
 M: key-down-event handle-event ( event -- )
     dup keyboard-event>binding
     hand get hand-focus handle-gesture [
@@ -29,3 +35,11 @@ M: key-down-event handle-event ( event -- )
     ] [
         drop
     ] if ;
+
+M: quit-event handle-event ( event -- )
+    drop stop-world ;
+
+M: resize-event handle-event ( event -- )
+    flush-fonts
+    gl-resize
+    width get height get 0 3array world get set-gadget-dim ;
diff --git a/library/ui/hand.factor b/library/ui/hand.factor
index 5b81a784f4..7f538b4806 100644
--- a/library/ui/hand.factor
+++ b/library/ui/hand.factor
@@ -19,15 +19,6 @@ C: hand ( -- hand )
 : button-gesture ( button gesture -- )
     swap add hand get hand-clicked handle-gesture drop ;
 
-: button/ ( n -- )
-    update-clicked
-    dup hand get hand-buttons push
-    [ button-down ] button-gesture ;
-
-: button\ ( n -- )
-    dup hand get hand-buttons delete
-    [ button-up ] button-gesture ;
-
 : drag-gesture ( hand gadget gesture -- )
     #! Send a gesture like [ drag 2 ].
     rot hand-buttons first add swap handle-gesture drop ;
diff --git a/library/ui/load.factor b/library/ui/load.factor
index 701e773073..e14f7f6cb5 100644
--- a/library/ui/load.factor
+++ b/library/ui/load.factor
@@ -7,9 +7,9 @@ USING: kernel parser sequences io ;
     "/library/ui/gestures.factor"
     "/library/ui/theme.factor"
     "/library/ui/hand.factor"
-    "/library/ui/events.factor"
     "/library/ui/frames.factor"
     "/library/ui/world.factor"
+    "/library/ui/events.factor"
     "/library/ui/borders.factor"
     "/library/ui/labels.factor"
     "/library/ui/buttons.factor"
diff --git a/library/ui/world.factor b/library/ui/world.factor
index ddd565e43a..aa79786c63 100644
--- a/library/ui/world.factor
+++ b/library/ui/world.factor
@@ -72,12 +72,12 @@ M: f set-message 2drop ;
     #! the current gadget, with all parents in between.
     hand get hand-gadget parents reverse-slice ;
 
-: update-hand-gadget ( -- )
-    hand-grab hand get set-hand-gadget ;
-
 : hand-grab ( -- gadget )
     hand get rect-loc world get pick-up ;
 
+: update-hand-gadget ( -- )
+    hand-grab hand get set-hand-gadget ;
+
 : move-hand ( loc -- )
     under-hand >r hand get set-rect-loc
     update-hand-gadget
@@ -89,9 +89,6 @@ M: f set-message 2drop ;
     dup screen-loc over set-hand-click-loc
     dup hand-gadget over relative swap set-hand-click-rel ;
 
-M: motion-event handle-event ( event -- )
-    motion-event-loc move-hand ;
-
 : update-hand ( -- )
     #! Called when a gadget is removed or added.
     hand get rect-loc move-hand ;
@@ -112,6 +109,8 @@ M: motion-event handle-event ( event -- )
 
 : next-event ( -- event ? ) <event> dup SDL_PollEvent ;
 
+GENERIC: handle-event ( event -- )
+
 : world-loop ( -- )
     #! Keep polling for events until there are no more events in
     #! the queue; then block for the next event.
@@ -124,11 +123,3 @@ M: motion-event handle-event ( event -- )
 
 : run-world ( -- )
     [ start-world world-loop ] [ stop-world ] cleanup ;
-
-M: quit-event handle-event ( event -- )
-    drop stop-world ;
-
-M: resize-event handle-event ( event -- )
-    flush-fonts
-    gl-resize
-    width get height get 0 3array world get set-gadget-dim ;
diff --git a/native/debug.c b/native/debug.c
index 7b60b5dda5..c1806d4bca 100644
--- a/native/debug.c
+++ b/native/debug.c
@@ -160,8 +160,6 @@ void dump_generations(void)
 
 void factorbug(void)
 {
-	interrupt = false;
-
 #ifndef WIN32
 	fcntl(0,F_SETFL,0);
 	fcntl(1,F_SETFL,0);
diff --git a/native/run.c b/native/run.c
index 8b1cc077e8..5248c04b32 100644
--- a/native/run.c
+++ b/native/run.c
@@ -14,8 +14,6 @@ void run(void)
 
 	if(throwing)
 	{
-		interrupt = false;
-
 		if(thrown_keep_stacks)
 		{
 			ds = thrown_ds;
@@ -40,11 +38,6 @@ void run(void)
 	{
 		if(callframe == F)
 		{
-			if(interrupt)
-			{
-				factorbug();
-			}
-
 			callframe = cpop();
 			executing = cpop();
 			continue;
diff --git a/native/run.h b/native/run.h
index 2013add9f8..2568b1e5cf 100644
--- a/native/run.h
+++ b/native/run.h
@@ -20,9 +20,6 @@
 /* TAGGED user environment data; see getenv/setenv prims */
 DLLEXPORT CELL userenv[USER_ENV];
 
-/* boolean: if true, next interruption check raises exception to user code */
-DLLEXPORT bool interrupt;
-
 /* Error handlers restore this */
 JMP_BUF toplevel;
 
diff --git a/native/unix/signal.c b/native/unix/signal.c
index b34d2febad..fab631bfb9 100644
--- a/native/unix/signal.c
+++ b/native/unix/signal.c
@@ -12,31 +12,23 @@ void signal_handler(int signal, siginfo_t* siginfo, void* uap)
 		signal_error(signal);
 }
 
-void dump_stack_signal(int signal, siginfo_t* siginfo, void* uap)
-{
-	interrupt = true;
-}
-
 void init_signals(void)
 {
 	struct sigaction custom_sigaction;
 	struct sigaction ign_sigaction;
-	struct sigaction dump_sigaction;
+	
 	sigemptyset(&custom_sigaction.sa_mask);
 	custom_sigaction.sa_sigaction = signal_handler;
 	custom_sigaction.sa_flags = SA_SIGINFO;
-	sigemptyset(&dump_sigaction.sa_mask);
-	dump_sigaction.sa_sigaction = dump_stack_signal;
-	dump_sigaction.sa_flags = SA_SIGINFO;
-	sigemptyset(&ign_sigaction.sa_mask);
-	ign_sigaction.sa_handler = SIG_IGN;
 	sigaction(SIGABRT,&custom_sigaction,NULL);
 	sigaction(SIGFPE,&custom_sigaction,NULL);
 	sigaction(SIGBUS,&custom_sigaction,NULL);
 	sigaction(SIGQUIT,&custom_sigaction,NULL);
-	sigaction(SIGINT,&dump_sigaction,NULL);
-	sigaction(SIGPIPE,&ign_sigaction,NULL);
 	sigaction(SIGSEGV,&custom_sigaction,NULL);
+	
+	sigemptyset(&ign_sigaction.sa_mask);
+	ign_sigaction.sa_handler = SIG_IGN;
+	sigaction(SIGPIPE,&ign_sigaction,NULL);
 
 #ifdef __APPLE__
 	mach_initialize();