Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -737,11 +737,10 @@
 		__weak id foo = [Foo alloc];
 		(void)foo;
 	]])
 ], [
 	AC_MSG_RESULT(yes)
-	AC_DEFINE(COMPILER_SUPPORTS_ARC, 1, [Whether the compiler supports ARC])
 	AC_SUBST(RUNTIME_ARC_TESTS_M, RuntimeARCTests.m)
 ], [
 	AC_MSG_RESULT(no)
 ])
 OBJCFLAGS="$old_OBJCFLAGS"

Index: new_tests/Makefile
==================================================================
--- new_tests/Makefile
+++ new_tests/Makefile
@@ -42,10 +42,11 @@
        OFScryptTests.m			\
        OFSetTests.m			\
        OFStringTests.m			\
        OFSystemInfoTests.m		\
        OFUTF8StringTests.m		\
+       ${RUNTIME_ARC_TESTS_M}		\
        ${USE_SRCS_PLUGINS}		\
        ${USE_SRCS_SOCKETS}		\
        ${USE_SRCS_SUBPROCESSES}		\
        ${USE_SRCS_THREADS}		\
        testfile_bin.m			\
@@ -191,10 +192,11 @@
 	    -I../src/runtime			\
 	    -I../src/test			\
 	    -I..				\
 	    -DOBJFWTEST_LOCAL_INCLUDES		\
 	    -DPROG_SUFFIX=\"${PROG_SUFFIX}\"
+OBJCFLAGS_RuntimeARCTests.m = -fobjc-arc -fobjc-arc-exceptions
 # Repetition is required for Wii U, as otherwise it cannot find main. Just
 # moving -lobjfwtest later doesn't work either, as then the linker cannot find
 # ObjFW symbols. So the only solution is to list everything twice.
 LIBS := -L../src/test	\
 	-lobjfwtest	\

ADDED   new_tests/RuntimeARCTests.m
Index: new_tests/RuntimeARCTests.m
==================================================================
--- new_tests/RuntimeARCTests.m
+++ new_tests/RuntimeARCTests.m
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
+ *
+ * All rights reserved.
+ *
+ * This file is part of ObjFW. It may be distributed under the terms of the
+ * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
+ * the packaging of this file.
+ *
+ * Alternatively, it may be distributed under the terms of the GNU General
+ * Public License, either version 2 or 3, which can be found in the file
+ * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
+ * file.
+ */
+
+#include "config.h"
+
+#import "ObjFW.h"
+#import "ObjFWTest.h"
+
+@interface RuntimeARCTests: OTTestCase
+@end
+
+@interface RuntimeARCTestClass: OFObject
+@end
+
+@implementation RuntimeARCTests
+- (void)testExceptionsDuringInit
+{
+	OTAssertThrows((void)[[RuntimeARCTestClass alloc] init]);
+}
+
+- (void)testWeakReferences
+{
+	id object = [[OFObject alloc] init];
+	__weak id weak = object;
+
+	OTAssertEqual(weak, object);
+
+	object = nil;
+	OTAssertNil(weak);
+}
+@end
+
+@implementation RuntimeARCTestClass
+- (instancetype)init
+{
+	self = [super init];
+
+#if defined(OF_WINDOWS) && defined(OF_AMD64)
+	/*
+	 * Clang has a bug on Windows where it creates an invalid call into
+	 * objc_retainAutoreleasedReturnValue(). Work around it by not using an
+	 * autoreleased exception.
+	 */
+	@throw [[OFException alloc] init];
+#else
+	@throw [OFException exception];
+#endif
+
+	return self;
+}
+@end

Index: tests/Makefile
==================================================================
--- tests/Makefile
+++ tests/Makefile
@@ -22,11 +22,10 @@
        OFValueTests.m			\
        OFXMLElementBuilderTests.m	\
        OFXMLNodeTests.m			\
        OFXMLParserTests.m		\
        RuntimeTests.m			\
-       ${RUNTIME_ARC_TESTS_M}		\
        TestsAppDelegate.m		\
        ${USE_SRCS_FILES}		\
        ${USE_SRCS_SOCKETS}		\
        ${USE_SRCS_WINDOWS}
 SRCS_SOCKETS = ${OF_HTTP_CLIENT_TESTS_M}	\
@@ -151,9 +150,8 @@
 CPPFLAGS += -I../src				\
 	    -I../src/exceptions			\
 	    -I../src/runtime			\
 	    -I..				\
 	    -DSTDOUT
-OBJCFLAGS_RuntimeARCTests.m = -fobjc-arc -fobjc-arc-exceptions
 LIBS := ${TESTS_LIBS} ${LIBS}
 LDFLAGS += ${MAP_LDFLAGS}
 LD = ${OBJC}

DELETED tests/RuntimeARCTests.m
Index: tests/RuntimeARCTests.m
==================================================================
--- tests/RuntimeARCTests.m
+++ tests/RuntimeARCTests.m
@@ -1,61 +0,0 @@
-/*
- * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
- *
- * All rights reserved.
- *
- * This file is part of ObjFW. It may be distributed under the terms of the
- * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
- * the packaging of this file.
- *
- * Alternatively, it may be distributed under the terms of the GNU General
- * Public License, either version 2 or 3, which can be found in the file
- * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
- * file.
- */
-
-#include "config.h"
-
-#import "TestsAppDelegate.h"
-
-static OFString *const module = @"Runtime (ARC)";
-
-@interface RuntimeARCTest: OFObject
-@end
-
-@implementation RuntimeARCTest
-- (instancetype)init
-{
-	self = [super init];
-
-#if defined(OF_WINDOWS) && defined(OF_AMD64)
-	/*
-	 * Clang has a bug on Windows where it creates an invalid call into
-	 * objc_retainAutoreleasedReturnValue(). Work around it by not using an
-	 * autoreleased exception.
-	 */
-	@throw [[OFException alloc] init];
-#else
-	@throw [OFException exception];
-#endif
-
-	return self;
-}
-@end
-
-@implementation TestsAppDelegate (RuntimeARCTests)
-- (void)runtimeARCTests
-{
-	id object;
-	__weak id weak;
-
-	EXPECT_EXCEPTION(@"Exceptions in init", OFException,
-	    object = [[RuntimeARCTest alloc] init])
-
-	object = [[OFObject alloc] init];
-	weak = object;
-	TEST(@"weakly referencing an object", weak == object)
-
-	object = nil;
-	TEST(@"weak references becoming nil", weak == nil)
-}
-@end

Index: tests/TestsAppDelegate.h
==================================================================
--- tests/TestsAppDelegate.h
+++ tests/TestsAppDelegate.h
@@ -97,14 +97,10 @@
 
 @interface TestsAppDelegate (RuntimeTests)
 - (void)runtimeTests;
 @end
 
-@interface TestsAppDelegate (RuntimeARCTests)
-- (void)runtimeARCTests;
-@end
-
 @interface TestsAppDelegate (OFStreamTests)
 - (void)streamTests;
 @end
 
 @interface TestsAppDelegate (OFValueTests)

Index: tests/TestsAppDelegate.m
==================================================================
--- tests/TestsAppDelegate.m
+++ tests/TestsAppDelegate.m
@@ -369,13 +369,10 @@
 	[[OFFileManager defaultManager]
 	    changeCurrentDirectoryPath: @"/apps/objfw-tests"];
 #endif
 
 	[self runtimeTests];
-#ifdef COMPILER_SUPPORTS_ARC
-	[self runtimeARCTests];
-#endif
 	[self dataTests];
 	[self dictionaryTests];
 	[self listTests];
 	[self valueTests];
 	[self streamTests];