diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
index ce6926a4a..503f740f0 100644
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -959,7 +959,6 @@ jobs:
             -DENABLE_TESTS=${{ (needs.what-to-make.outputs.make-tests == 'true') && 'ON' || 'OFF' }} \
             -DENABLE_UTILS=${{ (needs.what-to-make.outputs.make-utils == 'true') && 'ON' || 'OFF' }} \
             -DREBUILD_WEB=${{ (needs.what-to-make.outputs.make-web == 'true') && 'ON' || 'OFF' }} \
-            -DENABLE_DEPRECATED=ON \
             -DENABLE_WERROR=OFF \
             -DRUN_CLANG_TIDY=OFF \
             -DUSE_SYSTEM_DEFAULT=ON \
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 560d60e4b..30391ddcc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -80,7 +80,6 @@ option(ENABLE_WERROR "Treat warnings as errors" OFF)
 option(ENABLE_NLS "Enable native language support" ON)
 option(INSTALL_DOC "Build/install documentation" ON)
 option(INSTALL_LIB "Install the library" OFF)
-tr_auto_option(ENABLE_DEPRECATED "Allow deprecated API use of upstream packages, e.g. GTK" AUTO)
 tr_auto_option(USE_SYSTEM_DEFAULT "Default value for USE_SYSTEM_* options" AUTO)
 tr_auto_option(RUN_CLANG_TIDY "Run clang-tidy on the code" ${USE_SYSTEM_DEFAULT})
 tr_auto_option(USE_SYSTEM_EVENT2 "Use system event2 library" ${USE_SYSTEM_DEFAULT})
@@ -267,14 +266,6 @@ find_package(PkgConfig QUIET)
 
 find_package(CURL ${CURL_MINIMUM} REQUIRED)
 
-if(ENABLE_DEPRECATED STREQUAL "AUTO")
-    if(DEFINED ENV{CI})
-        set(ENABLE_DEPRECATED OFF)
-    else()
-        set(ENABLE_DEPRECATED ON)
-    endif()
-endif()
-
 set(CRYPTO_PKG "")
 if(WITH_CRYPTO STREQUAL "AUTO" OR WITH_CRYPTO STREQUAL "ccrypto")
     tr_get_required_flag(WITH_CRYPTO CCRYPTO_IS_REQUIRED)
diff --git a/gtk/CMakeLists.txt b/gtk/CMakeLists.txt
index b23a0e540..76fc79a30 100644
--- a/gtk/CMakeLists.txt
+++ b/gtk/CMakeLists.txt
@@ -166,22 +166,6 @@ target_compile_definitions(${TR_NAME}-gtk
         GETTEXT_PACKAGE="${TR_NAME}-gtk"
         $<$<BOOL:${ENABLE_UTP}>:WITH_UTP>)
 
-if(NOT ENABLE_DEPRECATED)
-    target_compile_definitions(${TR_NAME}-gtk
-        PRIVATE
-            G_DISABLE_DEPRECATED
-            GDK_PIXBUF_DISABLE_DEPRECATED
-            GDK_DISABLE_DEPRECATED
-            GTK_DISABLE_DEPRECATED
-            PANGO_DISABLE_DEPRECATED
-            GDKMM_DISABLE_DEPRECATED
-            GIOMM_DISABLE_DEPRECATED
-            GLIBMM_DISABLE_DEPRECATED
-            GTKMM_DISABLE_DEPRECATED
-            PANGOMM_DISABLE_DEPRECATED
-            SIGCXX_DISABLE_DEPRECATED)
-endif()
-
 target_compile_options(${TR_NAME}-gtk
     PRIVATE
         $<$<BOOL:${ENABLE_WERROR}>:$<IF:$<CXX_COMPILER_ID:MSVC>,/WX,-Werror>>
diff --git a/gtk/SystemTrayIcon.cc b/gtk/SystemTrayIcon.cc
index c1d937cfc..41b3c555f 100644
--- a/gtk/SystemTrayIcon.cc
+++ b/gtk/SystemTrayIcon.cc
@@ -3,11 +3,6 @@
 // or any future license endorsed by Mnemosyne LLC.
 // License text can be found in the licenses/ folder.
 
-// _AppIndicatorClass::{fallback,unfallback} use deprecated GtkStatusIcon
-#undef GTK_DISABLE_DEPRECATED
-// We're using deprecated Gtk::StatusItem ourselves as well
-#undef GTKMM_DISABLE_DEPRECATED
-
 #include "SystemTrayIcon.h"
 
 #include "Actions.h"