diff --git a/ktnef/CMakeLists.txt b/ktnef/CMakeLists.txt
index 1bdbf1e44..8dd301df8 100644
--- a/ktnef/CMakeLists.txt
+++ b/ktnef/CMakeLists.txt
@@ -5,10 +5,4 @@ configure_file(src/config-ktnef.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/src/config-k
 
 add_subdirectory(src)
 
-if (${ECM_VERSION} STRGREATER "5.58.0")
-    install(FILES ktnefapps.categories ktnefapps.renamecategories  DESTINATION  ${KDE_INSTALL_LOGGINGCATEGORIESDIR})
-else()
-    install(FILES ktnefapps.categories ktnefapps.renamecategories  DESTINATION ${KDE_INSTALL_CONFDIR})
-endif()
-
 add_subdirectory(doc)
diff --git a/ktnef/ktnefapps.categories b/ktnef/ktnefapps.categories
deleted file mode 100644
index b0e92c349..000000000
--- a/ktnef/ktnefapps.categories
+++ /dev/null
@@ -1 +0,0 @@
-org.kde.pim.ktnefapps ktnef (ktnef apps) IDENTIFIER [KTNEFAPPS_LOG]
diff --git a/ktnef/ktnefapps.renamecategories b/ktnef/ktnefapps.renamecategories
deleted file mode 100644
index 5425d7a7c..000000000
--- a/ktnef/ktnefapps.renamecategories
+++ /dev/null
@@ -1 +0,0 @@
-log_ktnefapps org.kde.pim.ktnefapps