diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4ef6e54b1..bf90bebc7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,7 +25,6 @@ tr_auto_option(ENABLE_MAC           "Build Mac client" AUTO)
         option(ENABLE_NLS           "Enable native language support" ON)
         option(INSTALL_DOC          "Build/install documentation" ON)
         option(INSTALL_LIB          "Install the library" OFF)
-        option(USE_QT5              "Use Qt 5 (instead of default Qt 4)" OFF)
 tr_auto_option(USE_SYSTEM_EVENT2    "Use system event2 library" AUTO)
 tr_auto_option(USE_SYSTEM_DHT       "Use system dht library" AUTO)
 tr_auto_option(USE_SYSTEM_MINIUPNPC "Use system miniupnpc library" AUTO)
@@ -108,6 +107,7 @@ set(GTK_MINIMUM             3.4.0)
 set(GLIB_MINIMUM            2.32.0)
 set(GIO_MINIMUM             2.26.0)
 set(LIBAPPINDICATOR_MINIMUM 0.4.90)
+set(QT5_MINIMUM             5.2)
 
 if(WIN32)
     foreach(L C CXX)
@@ -208,67 +208,40 @@ if(ENABLE_QT)
     set(ENABLE_QT_COM_INTEROP OFF)
     set(ENABLE_QT_DBUS_INTEROP OFF)
 
-    if(USE_QT5)
-        set(QT5_REQUIRED_MODULES Core Gui Widgets Network LinguistTools)
-        set(QT5_OPTIONAL_MODULES DBus AxContainer AxServer)
-        foreach(M ${QT5_REQUIRED_MODULES})
-            find_package(Qt5${M} QUIET)
-            if(Qt5${M}_FOUND)
-                if(NOT M STREQUAL "LinguistTools")
-                    list(APPEND QT_TARGETS Qt5::${M})
-                endif()
-            else()
-                set(QT_TARGETS)
-                break()
-            endif()
-        endforeach()
-        if(QT_TARGETS)
-            foreach(M ${QT5_OPTIONAL_MODULES})
-                find_package(Qt5${M} QUIET)
-                if(Qt5${M}_FOUND)
-                    list(APPEND QT_TARGETS Qt5::${M})
-                endif()
-            endforeach()
-            if(Qt5AxContainer_FOUND AND Qt5AxServer_FOUND)
-                set(ENABLE_QT_COM_INTEROP ON)
-            endif()
-            if(Qt5DBus_FOUND)
-                set(ENABLE_QT_DBUS_INTEROP ON)
-            endif()
-        endif()
-    else()
-        set(QT4_REQUIRED_MODULES QtCore QtGui QtNetwork)
-        set(QT4_OPTIONAL_MODULES QtDBus QAxContainer QAxServer)
-        find_package(Qt4 4.8.0 QUIET COMPONENTS ${QT4_REQUIRED_MODULES} OPTIONAL_COMPONENTS ${QT4_OPTIONAL_MODULES})
-        foreach(M ${QT4_REQUIRED_MODULES})
-            string(TOUPPER "${M}" M_UPPER)
-            if(QT_${M_UPPER}_FOUND)
-                list(APPEND QT_TARGETS Qt4::${M})
-            else()
-                set(QT_TARGETS)
-                break()
-            endif()
-        endforeach()
-        if (QT_TARGETS)
-            foreach(M ${QT4_OPTIONAL_MODULES})
-                string(TOUPPER "${M}" M_UPPER)
-                if(QT_${M_UPPER}_FOUND)
-                    list(APPEND QT_TARGETS Qt4::${M})
-                endif()
-            endforeach()
-            if(QT_QAXCONTAINER_FOUND AND QT_QAXSERVER_FOUND)
-                set(ENABLE_QT_COM_INTEROP ON)
-            endif()
-            if(QT_QTDBUS_FOUND)
-                set(ENABLE_QT_DBUS_INTEROP ON)
-            endif()
-        endif()
-    endif()
+    set(QT5_REQUIRED_MODULES Core Gui Widgets Network LinguistTools)
+    set(QT5_OPTIONAL_MODULES DBus AxContainer AxServer)
 
-    if(ENABLE_QT_COM_INTEROP)
-        find_program(MIDL_EXECUTABLE midl)
-        if(NOT MIDL_EXECUTABLE)
-            set(ENABLE_QT_COM_INTEROP OFF)
+    foreach(M ${QT5_REQUIRED_MODULES})
+        find_package(Qt5${M} ${QT5_MINIMUM} QUIET)
+        if(Qt5${M}_FOUND)
+            if(NOT M STREQUAL "LinguistTools")
+                list(APPEND QT_TARGETS Qt5::${M})
+            endif()
+        else()
+            set(QT_TARGETS)
+            break()
+        endif()
+    endforeach()
+
+    if(QT_TARGETS)
+        foreach(M ${QT5_OPTIONAL_MODULES})
+            find_package(Qt5${M} ${QT5_MINIMUM} QUIET)
+            if(Qt5${M}_FOUND)
+                list(APPEND QT_TARGETS Qt5::${M})
+            endif()
+        endforeach()
+
+        if(Qt5AxContainer_FOUND AND Qt5AxServer_FOUND)
+            set(ENABLE_QT_COM_INTEROP ON)
+
+            find_program(MIDL_EXECUTABLE midl)
+            if(NOT MIDL_EXECUTABLE)
+                set(ENABLE_QT_COM_INTEROP OFF)
+            endif()
+        endif()
+
+        if(Qt5DBus_FOUND)
+            set(ENABLE_QT_DBUS_INTEROP ON)
         endif()
     endif()
 
@@ -573,7 +546,7 @@ if(INSTALL_DOC)
     install(FILES AUTHORS COPYING NEWS README.md extras/rpc-spec.txt extras/send-email-when-torrent-done.sh DESTINATION ${CMAKE_INSTALL_DOCDIR})
 endif()
 
-if(MSVC AND ENABLE_DAEMON AND ENABLE_QT AND ENABLE_UTILS AND USE_QT5 AND WITH_CRYPTO STREQUAL "openssl")
+if(MSVC AND ENABLE_DAEMON AND ENABLE_QT AND ENABLE_UTILS AND WITH_CRYPTO STREQUAL "openssl")
     add_subdirectory(dist/msi)
 endif()
 
diff --git a/cmake/TrMacros.cmake b/cmake/TrMacros.cmake
index db44ae560..3c89782a3 100644
--- a/cmake/TrMacros.cmake
+++ b/cmake/TrMacros.cmake
@@ -184,3 +184,15 @@ function(tr_fixup_bundle_item BUNDLE_DIR BUNDLE_ITEMS DEP_DIRS)
         endforeach()
     endwhile()
 endfunction()
+
+macro(tr_qt_wrap_ui)
+    qt5_wrap_ui(${ARGN})
+endmacro()
+
+macro(tr_qt_add_resources)
+    qt5_add_resources(${ARGN})
+endmacro()
+
+macro(tr_qt_add_translation)
+    qt5_add_translation(${ARGN})
+endmacro()
diff --git a/dist/msi/CMakeLists.txt b/dist/msi/CMakeLists.txt
index 5c7627988..49aa53bdd 100644
--- a/dist/msi/CMakeLists.txt
+++ b/dist/msi/CMakeLists.txt
@@ -17,11 +17,7 @@ if(NOT TR_THIRD_PARTY_DIR)
 endif()
 
 if(NOT TR_QT_DIR)
-    if(USE_QT5)
-        set(TR_QT_DIR "$<TARGET_FILE_DIR:Qt5::Core>/..")
-    else()
-        set(TR_QT_DIR "$<TARGET_FILE_DIR:Qt4::Core>/..")
-    endif()
+    set(TR_QT_DIR "$<TARGET_FILE_DIR:Qt5::Core>/..")
 endif()
 
 set(ICONS_DIR "${CMAKE_SOURCE_DIR}/qt/icons/hicolor")
diff --git a/qt/CMakeLists.txt b/qt/CMakeLists.txt
index 6c9363c10..23c085250 100644
--- a/qt/CMakeLists.txt
+++ b/qt/CMakeLists.txt
@@ -1,27 +1,5 @@
 project(trqt)
 
-if(USE_QT5)
-    macro(tr_qt_wrap_ui)
-        qt5_wrap_ui(${ARGN})
-    endmacro()
-    macro(tr_qt_add_resources)
-        qt5_add_resources(${ARGN})
-    endmacro()
-    macro(tr_qt_add_translation)
-        qt5_add_translation(${ARGN})
-    endmacro()
-else()
-    macro(tr_qt_wrap_ui)
-        qt4_wrap_ui(${ARGN})
-    endmacro()
-    macro(tr_qt_add_resources)
-        qt4_add_resources(${ARGN})
-    endmacro()
-    macro(tr_qt_add_translation)
-        qt4_add_translation(${ARGN})
-    endmacro()
-endif()
-
 set(${PROJECT_NAME}_SOURCES
     AboutDialog.cc
     AddData.cc