diff --git a/app/src/test/java/com/stevesoltys/seedvault/metadata/MetadataManagerTest.kt b/app/src/test/java/com/stevesoltys/seedvault/metadata/MetadataManagerTest.kt
index f049a827..b9844d9e 100644
--- a/app/src/test/java/com/stevesoltys/seedvault/metadata/MetadataManagerTest.kt
+++ b/app/src/test/java/com/stevesoltys/seedvault/metadata/MetadataManagerTest.kt
@@ -342,7 +342,7 @@ class MetadataManagerTest {
 
     @Test
     fun `test onPackageBackedUp()`() {
-        packageInfo.applicationInfo.flags = FLAG_SYSTEM
+        packageInfo.applicationInfo!!.flags = FLAG_SYSTEM
         val updatedMetadata = initialMetadata.copy(
             time = time,
             packageMetadataMap = PackageMetadataMap() // otherwise this isn't copied, but referenced
diff --git a/app/src/test/java/com/stevesoltys/seedvault/restore/install/ApkBackupRestoreTest.kt b/app/src/test/java/com/stevesoltys/seedvault/restore/install/ApkBackupRestoreTest.kt
index e1c7ed81..12c5761c 100644
--- a/app/src/test/java/com/stevesoltys/seedvault/restore/install/ApkBackupRestoreTest.kt
+++ b/app/src/test/java/com/stevesoltys/seedvault/restore/install/ApkBackupRestoreTest.kt
@@ -118,12 +118,12 @@ internal class ApkBackupRestoreTest : TransportTest() {
     fun `test backup and restore with a split`(@TempDir tmpDir: Path) = runBlocking {
         val apkBytes = byteArrayOf(0x04, 0x05, 0x06)
         val tmpFile = File(tmpDir.toAbsolutePath().toString())
-        packageInfo.applicationInfo.sourceDir = File(tmpFile, "test.apk").apply {
+        packageInfo.applicationInfo!!.sourceDir = File(tmpFile, "test.apk").apply {
             assertTrue(createNewFile())
             writeBytes(apkBytes)
         }.absolutePath
         packageInfo.splitNames = arrayOf(splitName)
-        packageInfo.applicationInfo.splitSourceDirs = arrayOf(File(tmpFile, "split.apk").apply {
+        packageInfo.applicationInfo!!.splitSourceDirs = arrayOf(File(tmpFile, "split.apk").apply {
             assertTrue(createNewFile())
             writeBytes(splitBytes)
         }.absolutePath)
@@ -167,7 +167,7 @@ internal class ApkBackupRestoreTest : TransportTest() {
         coEvery { storagePlugin.getInputStream(token, name) } returns inputStream
         every { pm.getPackageArchiveInfo(capture(apkPath), any<Int>()) } returns packageInfo
         every { applicationInfo.loadIcon(pm) } returns icon
-        every { pm.getApplicationLabel(packageInfo.applicationInfo) } returns appName
+        every { pm.getApplicationLabel(packageInfo.applicationInfo!!) } returns appName
         every {
             splitCompatChecker.isCompatible(metadata.deviceName, listOf(splitName))
         } returns true
diff --git a/app/src/test/java/com/stevesoltys/seedvault/restore/install/ApkRestoreTest.kt b/app/src/test/java/com/stevesoltys/seedvault/restore/install/ApkRestoreTest.kt
index adccad1b..808723d2 100644
--- a/app/src/test/java/com/stevesoltys/seedvault/restore/install/ApkRestoreTest.kt
+++ b/app/src/test/java/com/stevesoltys/seedvault/restore/install/ApkRestoreTest.kt
@@ -281,7 +281,7 @@ internal class ApkRestoreTest : TransportTest() {
         } returns apkInputStream
         every { pm.getPackageArchiveInfo(any(), any<Int>()) } returns packageInfo
         every { applicationInfo.loadIcon(pm) } returns icon
-        every { pm.getApplicationLabel(packageInfo.applicationInfo) } returns appName
+        every { pm.getApplicationLabel(packageInfo.applicationInfo!!) } returns appName
         coEvery {
             apkInstaller.install(match { it.size == 1 }, packageName, installerName, any())
         } returns installResult
@@ -706,7 +706,7 @@ internal class ApkRestoreTest : TransportTest() {
         coEvery { storagePlugin.getInputStream(token, name) } returns apkInputStream
         every { pm.getPackageArchiveInfo(any(), any<Int>()) } returns packageInfo
         every { applicationInfo.loadIcon(pm) } returns icon
-        every { pm.getApplicationLabel(packageInfo.applicationInfo) } returns appName
+        every { pm.getApplicationLabel(packageInfo.applicationInfo!!) } returns appName
     }
 
     private suspend fun TurbineTestContext<InstallResult>.assertQueuedFailFinished() {
diff --git a/app/src/test/java/com/stevesoltys/seedvault/worker/ApkBackupTest.kt b/app/src/test/java/com/stevesoltys/seedvault/worker/ApkBackupTest.kt
index 2159ff32..facc4d42 100644
--- a/app/src/test/java/com/stevesoltys/seedvault/worker/ApkBackupTest.kt
+++ b/app/src/test/java/com/stevesoltys/seedvault/worker/ApkBackupTest.kt
@@ -82,7 +82,7 @@ internal class ApkBackupTest : BackupTest() {
 
     @Test
     fun `does not back up test-only apps`() = runBlocking {
-        packageInfo.applicationInfo.flags = FLAG_TEST_ONLY
+        packageInfo.applicationInfo!!.flags = FLAG_TEST_ONLY
 
         every { settingsManager.isBackupEnabled(any()) } returns true
         every { settingsManager.backupApks() } returns true
@@ -91,7 +91,7 @@ internal class ApkBackupTest : BackupTest() {
 
     @Test
     fun `does not back up system apps`() = runBlocking {
-        packageInfo.applicationInfo.flags = FLAG_SYSTEM
+        packageInfo.applicationInfo!!.flags = FLAG_SYSTEM
 
         every { settingsManager.isBackupEnabled(any()) } returns true
         every { settingsManager.backupApks() } returns true
@@ -100,7 +100,7 @@ internal class ApkBackupTest : BackupTest() {
 
     @Test
     fun `does not back up the same version`() = runBlocking {
-        packageInfo.applicationInfo.flags = FLAG_UPDATED_SYSTEM_APP
+        packageInfo.applicationInfo!!.flags = FLAG_UPDATED_SYSTEM_APP
         val packageMetadata = packageMetadata.copy(
             version = packageInfo.longVersionCode
         )
@@ -112,7 +112,7 @@ internal class ApkBackupTest : BackupTest() {
 
     @Test
     fun `does back up the same version when signatures changes`() {
-        packageInfo.applicationInfo.sourceDir = "/tmp/doesNotExist"
+        packageInfo.applicationInfo!!.sourceDir = "/tmp/doesNotExist"
 
         expectChecks()
 
@@ -140,7 +140,7 @@ internal class ApkBackupTest : BackupTest() {
     fun `test successful APK backup`(@TempDir tmpDir: Path) = runBlocking {
         val apkBytes = byteArrayOf(0x04, 0x05, 0x06)
         val tmpFile = File(tmpDir.toAbsolutePath().toString())
-        packageInfo.applicationInfo.sourceDir = File(tmpFile, "test.apk").apply {
+        packageInfo.applicationInfo!!.sourceDir = File(tmpFile, "test.apk").apply {
             assertTrue(createNewFile())
             writeBytes(apkBytes)
         }.absolutePath
@@ -174,7 +174,7 @@ internal class ApkBackupTest : BackupTest() {
         // create base APK
         val apkBytes = byteArrayOf(0x04, 0x05, 0x06) // not random because of hash
         val tmpFile = File(tmpDir.toAbsolutePath().toString())
-        packageInfo.applicationInfo.sourceDir = File(tmpFile, "test.apk").apply {
+        packageInfo.applicationInfo!!.sourceDir = File(tmpFile, "test.apk").apply {
             assertTrue(createNewFile())
             writeBytes(apkBytes)
         }.absolutePath
@@ -187,7 +187,7 @@ internal class ApkBackupTest : BackupTest() {
         val split1Sha256 = "ZqZ1cVH47lXbEncWx-Pc4L6AdLZOIO2lQuXB5GypxB4"
         val split2Bytes = byteArrayOf(0x01, 0x02, 0x03)
         val split2Sha256 = "A5BYxvLAy0ksUzsKTRTvd8wPeKvMztUofYShogEc-4E"
-        packageInfo.applicationInfo.splitSourceDirs = arrayOf(
+        packageInfo.applicationInfo!!.splitSourceDirs = arrayOf(
             File(tmpFile, "test-$split1Name.apk").apply {
                 assertTrue(createNewFile())
                 writeBytes(split1Bytes)