diff --git a/tests/ibus_test.c b/tests/ibus_test.c
index ca04b7f..faa5d09 100644
--- a/tests/ibus_test.c
+++ b/tests/ibus_test.c
@@ -13,6 +13,8 @@ struct Ibusfix
 {
 	Channel	*oldreply;
 	Pump	pump;
+	/* A fake connection is nothing but an address to tell two apart. */
+	char	fake[2];
 	DBusConnection	*c1;
 	DBusConnection	*c2;
 };
@@ -81,8 +83,8 @@ cleanup:
 	CT_CHECK(t, rmdir(root) == 0);
 }
 
-static int
-ibusbegin(struct ct *t, Ibusfix *f)
+static void
+ibusbegin(Ibusfix *f)
 {
 	Drawcmd dc;
 
@@ -97,9 +99,8 @@ ibusbegin(struct ct *t, Ibusfix *f)
 	f->oldreply = replyc;
 	replyc = chancreate(sizeof(Keyres), 0);
 	pumpstart(&f->pump, Maxcontexts);
-	f->c1 = malloc(1);
-	f->c2 = malloc(1);
-	return CT_CHECK(t, f->c1 != nil && f->c2 != nil);
+	f->c1 = (DBusConnection*)&f->fake[0];
+	f->c2 = (DBusConnection*)&f->fake[1];
 }
 
 static void
@@ -119,8 +120,6 @@ ibusend(Ibusfix *f)
 	testengineinit(LangEN);
 	while(channbrecv(drawc, &dc) > 0)
 		;
-	free(f->c1);
-	free(f->c2);
 	chanfree(replyc);
 	replyc = f->oldreply;
 }
@@ -168,8 +167,7 @@ ibus_capability_policy(struct ct *t)
 	Ictx *a, *b;
 	Keyres res;
 
-	if(!ibusbegin(t, &f))
-		goto cleanup;
+	ibusbegin(&f);
 	a = newcontext(f.c1, "/context/cap-a");
 	b = newcontext(f.c2, "/context/cap-b");
 	if(!CT_CHECK(t, a != nil && b != nil))
@@ -223,8 +221,7 @@ ibus_private_input_policy(struct ct *t)
 	char text[Maxutf];
 	int i;
 
-	if(!ibusbegin(t, &f))
-		goto cleanup;
+	ibusbegin(&f);
 	ctx = newcontext(f.c1, "/context/private");
 	if(!CT_CHECK(t, ctx != nil))
 		goto cleanup;
@@ -274,8 +271,7 @@ ibus_context_lifecycle(struct ct *t)
 	Caret at;
 	char text[Maxutf];
 
-	if(!ibusbegin(t, &f))
-		goto cleanup;
+	ibusbegin(&f);
 	a = newcontext(f.c1, "/context/one");
 	b = newcontext(f.c2, "/context/one");
 	if(!CT_CHECK(t, a != nil && b != nil && a != b))
@@ -387,8 +383,7 @@ ibus_active_release_lifecycle(struct ct *t)
 	Ictx *ctx, *reused;
 	Keyres res;
 
-	if(!ibusbegin(t, &f))
-		goto cleanup;
+	ibusbegin(&f);
 	ctx = newcontext(f.c1, "/context/reset");
 	if(!CT_CHECK(t, ctx != nil))
 		goto cleanup;
diff --git a/tests/xim_adapter_test.c b/tests/xim_adapter_test.c
index 5840084..04dc8c5 100644
--- a/tests/xim_adapter_test.c
+++ b/tests/xim_adapter_test.c
@@ -398,8 +398,8 @@ struct Freejob
 	Channel	*done;
 };
 
-static int
-ximbegin(struct ct *t, Ximfix *f, int lang)
+static void
+ximbegin(Ximfix *f, int lang)
 {
 	Drawcmd dc;
 
@@ -410,8 +410,6 @@ ximbegin(struct ct *t, Ximfix *f, int lang)
 	f->oldreply = replyc;
 	replyc = chancreate(sizeof(Keyres), 0);
 	pumpstart(&f->pump, 16);
-	USED(t);
-	return 1;
 }
 
 static void
@@ -466,8 +464,7 @@ xim_adapter_key_contract(struct ct *t)
 	u32int allmod;
 
 	memset(&state, 0, sizeof state);
-	if(!ximbegin(t, &f, LangJP))
-		goto cleanup;
+	ximbegin(&f, LangJP);
 	allmod = ~0;
 	keypress(&state, 'x', allmod, &res);
 	req = nexttrace(t, &f, Keypress, &state);
@@ -487,7 +484,6 @@ xim_adapter_key_contract(struct ct *t)
 	CT_CHECK(t, !res.eaten);
 	checkstr(t, "preedit", "か", &res.commit);
 	checkstr(t, "preedit", "", &res.preedit);
-cleanup:
 	ximend(&f);
 }
 
@@ -502,8 +498,7 @@ xim_adapter_release_lifecycle(struct ct *t)
 	memset(&a, 0, sizeof a);
 	memset(&b, 0, sizeof b);
 	dead = nil;
-	if(!ximbegin(t, &f, LangJP))
-		goto cleanup;
+	ximbegin(&f, LangJP);
 	keypress(&a, 'k', 0, &res);
 	nexttrace(t, &f, Keypress, &a);
 	keypress(&a, 'a', 0, &res);
@@ -580,8 +575,7 @@ xim_adapter_free_waits_for_release(struct ct *t)
 	state = nil;
 	freed = nil;
 	workeractive = 0;
-	if(!ximbegin(t, &f, LangJP))
-		goto cleanup;
+	ximbegin(&f, LangJP);
 	state = calloc(1, sizeof *state);
 	freed = chancreate(sizeof(uchar), 0);
 	if(!CT_CHECK(t, state != nil && freed != nil))
@@ -736,8 +730,7 @@ xim_adapter_placement_updates(struct ct *t)
 	ic = (xcb_im_input_context_t*)(uintptr)71;
 	memset(&state, 0, sizeof state);
 	oldstate = kstate;
-	if(!ximbegin(t, &f, LangJP))
-		goto cleanup;
+	ximbegin(&f, LangJP);
 	kstate = testkeystate("us");
 	if(!CT_CHECK(t, kstate != nil))
 		goto cleanup;
@@ -891,8 +884,7 @@ xim_adapter_callback_cleanup(struct ct *t)
 
 	ic = (xcb_im_input_context_t*)(uintptr)29;
 	memset(&state, 0, sizeof state);
-	if(!ximbegin(t, &f, LangJP))
-		return;
+	ximbegin(&f, LangJP);
 	wireclear();
 	wirebind(0, ic, &state);
 	state.xic = ic;
@@ -980,8 +972,7 @@ xim_adapter_callback_transfer(struct ct *t)
 	aic = (xcb_im_input_context_t*)(uintptr)50;
 	memset(&a, 0, sizeof a);
 	memset(&b, 0, sizeof b);
-	if(!ximbegin(t, &f, LangJP))
-		goto cleanup;
+	ximbegin(&f, LangJP);
 	wireclear();
 	a.xic = aic;
 	a.clientpre = 1;
@@ -996,7 +987,6 @@ xim_adapter_callback_transfer(struct ct *t)
 	CT_EQ_PTR(t, nil, preowner);
 	release(&b);
 	nexttrace(t, &f, Keyrelease, &b);
-cleanup:
 	preowner = nil;
 	ximend(&f);
 }
@@ -1016,8 +1006,7 @@ xim_adapter_callback_owner_loss(struct ct *t)
 	ic = (xcb_im_input_context_t*)(uintptr)51;
 	memset(&state, 0, sizeof state);
 	foreign = 0;
-	if(!ximbegin(t, &f, LangJP))
-		goto cleanup;
+	ximbegin(&f, LangJP);
 	wireclear();
 	wirebind(0, ic, &state);
 	state.xic = ic;
@@ -1086,7 +1075,6 @@ xim_adapter_callback_owner_loss(struct ct *t)
 	CT_CHECK(t, channbrecv(f.pump.trace, &trace) > 0);
 	CT_EQ_INT(t, Keyrelease, trace.op);
 	CT_EQ_PTR(t, &foreign, trace.owner);
-cleanup:
 	preowner = nil;
 	ximend(&f);
 }