diff --git a/src/nimqml.nim b/src/nimqml.nim
index 52eb06d..a9042b7 100644
--- a/src/nimqml.nim
+++ b/src/nimqml.nim
@@ -19,9 +19,7 @@ include "nimqml/private/qnetworkconfigurationmanager.nim"
 include "nimqml/private/qvariant.nim"
 include "nimqml/private/qobject.nim"
 include "nimqml/private/qqmlapplicationengine.nim"
-include "nimqml/private/qcoreapplication.nim"
 include "nimqml/private/qguiapplication.nim"
-include "nimqml/private/qapplication.nim"
 include "nimqml/private/qurl.nim"
 include "nimqml/private/qquickview.nim"
 include "nimqml/private/qhashintbytearray.nim"
diff --git a/src/nimqml/private/dotherside.nim b/src/nimqml/private/dotherside.nim
index 099d1cb..61ec934 100644
--- a/src/nimqml/private/dotherside.nim
+++ b/src/nimqml/private/dotherside.nim
@@ -127,29 +127,20 @@ proc isNil(x: DosQModelIndex): bool = x.pointer.isNil
 # CharArray
 proc dos_chararray_delete(str: cstring) {.cdecl, dynlib: dynLibName, importc.}
 
-# QCoreApplication
-proc dos_qcoreapplication_application_dir_path(): cstring {.cdecl, dynlib: dynLibName, importc.}
-proc dos_qapplication_enable_hdpi(uiScaleFilePath: cstring) {.cdecl, dynlib: dynLibName, importc.}
-proc dos_qapplication_initialize_opengl() {.cdecl, dynlib: dynLibName, importc.}
-
-# QApplication
-proc dos_qapplication_create() {.cdecl, dynlib: dynLibName, importc.}
-proc dos_qapplication_exec() {.cdecl, dynlib: dynLibName, importc.}
-proc dos_qapplication_quit() {.cdecl, dynlib: dynLibName, importc.}
-proc dos_qapplication_icon(filename: cstring) {.cdecl, dynlib: dynLibName, importc.}
-proc dos_qapplication_delete() {.cdecl, dynlib: dynLibName, importc.}
-proc dos_qapplication_clipboard_setText(content: cstring) {.cdecl, dynlib: dynLibName, importc.}
-proc dos_qapplication_installEventFilter(engine: DosStatusEvent) {.cdecl, dynlib: dynLibName, importc.}
-proc dos_qapplication_clipboard_setImage(content: cstring) {.cdecl, dynlib: dynLibName, importc.}
-proc dos_qapplication_download_image(imageSource: cstring, filePath: cstring) {.cdecl, dynlib: dynLibName, importc.}
-
 # QGuiApplication
+proc dos_qguiapplication_application_dir_path(): cstring {.cdecl, dynlib: dynLibName, importc.}
+proc dos_qguiapplication_enable_hdpi(uiScaleFilePath: cstring) {.cdecl, dynlib: dynLibName, importc.}
+proc dos_qguiapplication_initialize_opengl() {.cdecl, dynlib: dynLibName, importc.}
 proc dos_qguiapplication_create() {.cdecl, dynlib: dynLibName, importc.}
 proc dos_qguiapplication_exec() {.cdecl, dynlib: dynLibName, importc.}
 proc dos_qguiapplication_quit() {.cdecl, dynlib: dynLibName, importc.}
 proc dos_qguiapplication_icon(filename: cstring) {.cdecl, dynlib: dynLibName, importc.}
 proc dos_qguiapplication_delete() {.cdecl, dynlib: dynLibName, importc.}
+
+proc dos_qguiapplication_clipboard_setText(content: cstring) {.cdecl, dynlib: dynLibName, importc.}
 proc dos_qguiapplication_installEventFilter(engine: DosStatusEvent) {.cdecl, dynlib: dynLibName, importc.}
+proc dos_qguiapplication_clipboard_setImage(content: cstring) {.cdecl, dynlib: dynLibName, importc.}
+proc dos_qguiapplication_download_image(imageSource: cstring, filePath: cstring) {.cdecl, dynlib: dynLibName, importc.}
 
 # QQmlContext
 proc dos_qqmlcontext_setcontextproperty(context: DosQQmlContext, propertyName: cstring, propertyValue: DosQVariant) {.cdecl, dynlib: dynLibName, importc.}
@@ -164,7 +155,7 @@ proc dos_qqmlapplicationengine_load_data(engine: DosQQmlApplicationEngine, data:
 proc dos_qqmlapplicationengine_add_import_path(engine: DosQQmlApplicationEngine, path: cstring) {.cdecl, dynlib: dynLibName, importc.}
 proc dos_qqmlapplicationengine_context(engine: DosQQmlApplicationEngine): DosQQmlContext {.cdecl, dynlib: dynLibName, importc.}
 proc dos_qqmlapplicationengine_delete(engine: DosQQmlApplicationEngine) {.cdecl, dynlib: dynLibName, importc.}
-proc dos_qapplication_load_translation(engine: DosQQmlApplicationEngine, content: cstring, shouldRetranslate: bool) {.cdecl, dynlib: dynLibName, importc.}
+proc dos_qguiapplication_load_translation(engine: DosQQmlApplicationEngine, content: cstring, shouldRetranslate: bool) {.cdecl, dynlib: dynLibName, importc.}
 
 # QVariant
 proc dos_qvariant_create(): DosQVariant {.cdecl, dynlib: dynLibName, importc.}
@@ -391,4 +382,4 @@ proc dos_to_local_file(fileUrl: cstring): cstring
   {.cdecl, dynlib: dynLibName, importc.}
 
 proc dos_from_local_file(filePath: cstring): cstring
-  {.cdecl, dynlib: dynLibName, importc.}
\ No newline at end of file
+  {.cdecl, dynlib: dynLibName, importc.}
diff --git a/src/nimqml/private/qcoreapplication.nim b/src/nimqml/private/qcoreapplication.nim
deleted file mode 100644
index ca1ca6f..0000000
--- a/src/nimqml/private/qcoreapplication.nim
+++ /dev/null
@@ -1,10 +0,0 @@
-proc enableHDPI*(uiScaleFilePath: string) =
-  dos_qapplication_enable_hdpi(uiScaleFilePath)
-
-proc initializeOpenGL*() =
-  dos_qapplication_initialize_opengl()
-  
-proc applicationDirPath*(app: QCoreApplication): string =
-  let str = dos_qcoreapplication_application_dir_path()
-  result = $str
-  dos_chararray_delete(str)
diff --git a/src/nimqml/private/qguiapplication.nim b/src/nimqml/private/qguiapplication.nim
index b395f8c..a60ebc6 100644
--- a/src/nimqml/private/qguiapplication.nim
+++ b/src/nimqml/private/qguiapplication.nim
@@ -31,3 +31,23 @@ proc exec*(self: QGuiApplication) =
 proc quit*(self: QGuiApplication) =
   ## Quit the Qt event loop
   dos_qguiapplication_quit()
+
+proc setClipboardText*(text: string = "") =
+  dos_qguiapplication_clipboard_setText(text.cstring)
+
+proc setClipboardImage*(text: string = "") =
+  dos_qguiapplication_clipboard_setImage(text.cstring)
+
+proc downloadImage*(imageSource: string = "", filePath = "") =
+  dos_qguiapplication_download_image(imageSource.cstring, filePath.cstring)
+
+proc enableHDPI*(uiScaleFilePath: string) =
+  dos_qguiapplication_enable_hdpi(uiScaleFilePath)
+
+proc initializeOpenGL*() =
+  dos_qguiapplication_initialize_opengl()
+  
+proc applicationDirPath*(app: QGuiApplication): string =
+  let str = dos_qguiapplication_application_dir_path()
+  result = $str
+  dos_chararray_delete(str)
diff --git a/src/nimqml/private/qqmlapplicationengine.nim b/src/nimqml/private/qqmlapplicationengine.nim
index d8206c1..14f398e 100644
--- a/src/nimqml/private/qqmlapplicationengine.nim
+++ b/src/nimqml/private/qqmlapplicationengine.nim
@@ -30,7 +30,7 @@ proc setRootContextProperty*(self: QQmlApplicationEngine, name: string, value: Q
   dos_qqmlcontext_setcontextproperty(context, name.cstring, value.vptr)
 
 proc setTranslationPackage*(self: QQmlApplicationEngine, packagePath: string, shouldRetranslate: bool = true) =
-  dos_qapplication_load_translation(self.vptr, packagePath.cstring, shouldRetranslate)
+  dos_qguiapplication_load_translation(self.vptr, packagePath.cstring, shouldRetranslate)
 
 proc delete*(self: QQmlApplicationEngine) =
   ## Delete the given QQmlApplicationEngine