diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,8 +20,6 @@
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(ECMQtDeclareLoggingCategory)
 
-
-
 set(AKONADI_MIME_VERSION ${PIM_VERSION})
 set(AKONADI_VERSION "5.11.1")
 set(KF5_MIME_VERSION "5.11.1")
@@ -33,9 +31,10 @@
     )
 
 ########### Find packages ###########
+find_package(KF5Codecs ${KF5_MIN_VERSION} CONFIG REQUIRED)
+find_package(KF5ConfigWidgets ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5DBusAddons ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5KIO ${KF5_MIN_VERSION} CONFIG REQUIRED)
-find_package(KF5Config ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5I18n ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5XmlGui ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5Mime ${KF5_MIME_VERSION} CONFIG REQUIRED)
diff --git a/autotests/CMakeLists.txt b/autotests/CMakeLists.txt
--- a/autotests/CMakeLists.txt
+++ b/autotests/CMakeLists.txt
@@ -20,7 +20,6 @@
   add_executable(${_targetName} ${_srcList})
   target_link_libraries(${_targetName}
     Qt5::Test
-    KF5::MailTransport
     KF5::Mime
     KF5::AkonadiMime
     Qt5::Widgets