diff --git a/Bugsnag/Helpers/BSGAppHangDetector.m b/Bugsnag/Helpers/BSGAppHangDetector.m
index 2898de6cb..5a0eac529 100644
--- a/Bugsnag/Helpers/BSGAppHangDetector.m
+++ b/Bugsnag/Helpers/BSGAppHangDetector.m
@@ -11,6 +11,7 @@
 #import <Bugsnag/BugsnagConfiguration.h>
 #import <Bugsnag/BugsnagErrorTypes.h>
 
+#import "BSG_KSCrashState.h"
 #import "BSG_KSMach.h"
 #import "BugsnagCollections.h"
 #import "BugsnagLogger.h"
@@ -26,36 +27,11 @@ @interface BSGAppHangDetector ()
 
 @property (nonatomic) CFRunLoopObserverRef observer;
 
-@property (nonatomic) BOOL isInBackground;
-
 @end
 
 
 @implementation BSGAppHangDetector
 
-#if TARGET_OS_IOS
-
-- (instancetype)init {
-    if ((self = [super init])) {
-        [NSNotificationCenter.defaultCenter addObserver:self selector:@selector(applicationDidEnterBackground)
-                                                   name:UIApplicationDidEnterBackgroundNotification object:nil];
-
-        [NSNotificationCenter.defaultCenter addObserver:self selector:@selector(applicationWillEnterForeground)
-                                                   name:UIApplicationWillEnterForegroundNotification object:nil];
-    }
-    return self;
-}
-
-- (void)applicationDidEnterBackground {
-    self.isInBackground = YES;
-}
-
-- (void)applicationWillEnterForeground {
-    self.isInBackground = NO;
-}
-
-#endif
-
 - (void)dealloc {
     if (_observer) {
         CFRunLoopRemoveObserver(CFRunLoopGetMain(), _observer, kCFRunLoopCommonModes);
@@ -89,7 +65,6 @@ - (void)startWithDelegate:(id<BSGAppHangDetectorDelegate>)delegate {
     dispatch_queue_t backgroundQueue;
     __block dispatch_semaphore_t semaphore;
     __weak typeof(delegate) weakDelegate = delegate;
-    __weak typeof(self) weakSelf = self;
     
     backgroundQueue = dispatch_queue_create("com.bugsnag.app-hang-detector", DISPATCH_QUEUE_SERIAL);
     
@@ -107,7 +82,7 @@ - (void)startWithDelegate:(id<BSGAppHangDetectorDelegate>)delegate {
             dispatch_time_t timeout = dispatch_time(now, (int64_t)(threshold * NSEC_PER_SEC));
             dispatch_after(after, backgroundQueue, ^{
                 if (dispatch_semaphore_wait(semaphore, timeout) != 0) {
-                    if (weakSelf.isInBackground) {
+                    if (!bsg_kscrashstate_currentState()->applicationIsInForeground) {
                         bsg_log_debug(@"Ignoring app hang because app is in the background");
                         dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER);
                         return;
diff --git a/Bugsnag/KSCrash/Source/KSCrash/Recording/BSG_KSCrash.m b/Bugsnag/KSCrash/Source/KSCrash/Recording/BSG_KSCrash.m
index 219526aca..f5322766b 100644
--- a/Bugsnag/KSCrash/Source/KSCrash/Recording/BSG_KSCrash.m
+++ b/Bugsnag/KSCrash/Source/KSCrash/Recording/BSG_KSCrash.m
@@ -176,10 +176,6 @@ - (BSG_KSCrashType)install:(BSG_KSCrashType)crashTypes directory:(NSString *)dir
     free(crashReportPath);
     free(recrashReportPath);
     
-    if (!installedCrashTypes) {
-        return 0;
-    }
-    
     NSNotificationCenter *nCenter = [NSNotificationCenter defaultCenter];
 #if BSG_HAS_UIKIT
     [nCenter addObserver:self
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ef325673..e1122ab2f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,9 @@ Changelog
 
 ### Bug fixes
 
+* Stop app hangs being reported if app is launched in the background.
+  [#1112](https://github.com/bugsnag/bugsnag-cocoa/pull/1112)
+
 * Stop session being reported if app is launched in the background.
   [#1107](https://github.com/bugsnag/bugsnag-cocoa/pull/1107)