diff --git a/headers/private/package/manager/PackageManager.h b/headers/private/package/manager/PackageManager.h
index dd55ae6558..a4dc0f99aa 100644
--- a/headers/private/package/manager/PackageManager.h
+++ b/headers/private/package/manager/PackageManager.h
@@ -261,31 +261,30 @@ class BPackageManager::UserInteractionHandler {
 public:
 	virtual						~UserInteractionHandler();
 
-	virtual	void				HandleProblems() = 0;
-	virtual	void				ConfirmChanges(bool fromMostSpecific) = 0;
+	virtual	void				HandleProblems();
+	virtual	void				ConfirmChanges(bool fromMostSpecific);
 
-	virtual	void				Warn(status_t error, const char* format, ...)
-									= 0;
+	virtual	void				Warn(status_t error, const char* format, ...);
 
 	virtual	void				ProgressPackageDownloadStarted(
-									const char* packageName) = 0;
+									const char* packageName);
 	virtual	void				ProgressPackageDownloadActive(
 									const char* packageName,
-									float completionPercentage) = 0;
+									float completionPercentage);
 	virtual	void				ProgressPackageDownloadComplete(
-									const char* packageName) = 0;
+									const char* packageName);
 	virtual	void				ProgressPackageChecksumStarted(
-									const char* title) = 0;
+									const char* title);
 	virtual	void				ProgressPackageChecksumComplete(
-									const char* title) = 0;
+									const char* title);
 
 	virtual	void				ProgressStartApplyingChanges(
-									InstalledRepository& repository) = 0;
+									InstalledRepository& repository);
 	virtual	void				ProgressTransactionCommitted(
 									InstalledRepository& repository,
-									const char* transactionDirectoryName) = 0;
+									const char* transactionDirectoryName);
 	virtual	void				ProgressApplyingChangesDone(
-									InstalledRepository& repository) = 0;
+									InstalledRepository& repository);
 };
 
 
diff --git a/src/kits/package/manager/PackageManager.cpp b/src/kits/package/manager/PackageManager.cpp
index 645c8f948d..1c6379a5f0 100644
--- a/src/kits/package/manager/PackageManager.cpp
+++ b/src/kits/package/manager/PackageManager.cpp
@@ -928,6 +928,83 @@ BPackageManager::UserInteractionHandler::~UserInteractionHandler()
 }
 
 
+void
+BPackageManager::UserInteractionHandler::HandleProblems()
+{
+	throw BAbortedByUserException();
+}
+
+
+void
+BPackageManager::UserInteractionHandler::ConfirmChanges(bool fromMostSpecific)
+{
+	throw BAbortedByUserException();
+}
+
+
+void
+BPackageManager::UserInteractionHandler::Warn(status_t error,
+	const char* format, ...)
+{
+}
+
+
+void
+BPackageManager::UserInteractionHandler::ProgressPackageDownloadStarted(
+	const char* packageName)
+{
+}
+
+
+void
+BPackageManager::UserInteractionHandler::ProgressPackageDownloadActive(
+	const char* packageName, float completionPercentage)
+{
+}
+
+
+void
+BPackageManager::UserInteractionHandler::ProgressPackageDownloadComplete(
+	const char* packageName)
+{
+}
+
+
+void
+BPackageManager::UserInteractionHandler::ProgressPackageChecksumStarted(
+	const char* title)
+{
+}
+
+
+void
+BPackageManager::UserInteractionHandler::ProgressPackageChecksumComplete(
+	const char* title)
+{
+}
+
+
+void
+BPackageManager::UserInteractionHandler::ProgressStartApplyingChanges(
+	InstalledRepository& repository)
+{
+}
+
+
+void
+BPackageManager::UserInteractionHandler::ProgressTransactionCommitted(
+	InstalledRepository& repository, const char* transactionDirectoryName)
+{
+}
+
+
+void
+BPackageManager::UserInteractionHandler::ProgressApplyingChangesDone(
+	InstalledRepository& repository)
+{
+}
+
+
 }	// namespace BPrivate
 
 }	// namespace BManager