diff --git a/toonz/sources/toonzqt/flipconsole.cpp b/toonz/sources/toonzqt/flipconsole.cpp
index 5b8476a..1fa7fc8 100644
--- a/toonz/sources/toonzqt/flipconsole.cpp
+++ b/toonz/sources/toonzqt/flipconsole.cpp
@@ -21,8 +21,6 @@
 #include "timagecache.h"
 #include "trop.h"
 
-#include "../toonz/tapp.h"
-
 #include <time.h>
 
 // Qt includes
diff --git a/toonz/sources/toonzqt/plugin_param_interface.cpp b/toonz/sources/toonzqt/plugin_param_interface.cpp
index 7a4a527..5471c88 100644
--- a/toonz/sources/toonzqt/plugin_param_interface.cpp
+++ b/toonz/sources/toonzqt/plugin_param_interface.cpp
@@ -1,8 +1,10 @@
+
+#include <ttonecurveparam.h>
+#include <toonzqt/fxsettings.h>
+
 #include "plugin_param_interface.h"
 #include "plugin_utilities.h"
 #include "tparamset.h"
-#include "../include/ttonecurveparam.h"
-#include "../include/toonzqt/fxsettings.h"
 #include "plugin_param_traits.h"
 
 /* 公開インターフェイスからは削除 */
diff --git a/toonz/sources/toonzqt/plugin_param_view_interface.h b/toonz/sources/toonzqt/plugin_param_view_interface.h
index 12c65a2..97cc9b8 100644
--- a/toonz/sources/toonzqt/plugin_param_view_interface.h
+++ b/toonz/sources/toonzqt/plugin_param_view_interface.h
@@ -3,12 +3,15 @@
 #ifndef PLUGIN_PARAM_VIEW_INTERFACE
 #define PLUGIN_PARAM_VIEW_INTERFACE
 
-#include <vector>
-#include <memory>
-#include <QWidget>
 #include "tfx.h"
 #include "toonz_hostif.h"
-#include "../include/toonzqt/fxsettings.h"
+
+#include <toonzqt/fxsettings.h>
+
+#include <QWidget>
+
+#include <vector>
+#include <memory>
 
 /* 公開ヘッダからは引っ込められた都合上ここで宣言(内部ではまだ使っているので) */
 typedef void *toonz_param_view_handle_t;
diff --git a/toonz/sources/toonzqt/pluginhost.cpp b/toonz/sources/toonzqt/pluginhost.cpp
index 5895fec..0c65828 100644
--- a/toonz/sources/toonzqt/pluginhost.cpp
+++ b/toonz/sources/toonzqt/pluginhost.cpp
@@ -16,8 +16,10 @@
 
 // #include "tfxparam.h"
 #include <toonzqt/addfxcontextmenu.h>  // as receiver
+#include <toonzqt/fxsettings.h>
+#include <toonzqt/pluginloader.h>
+
 #include "tenv.h"
-#include "../include/toonzqt/fxsettings.h"
 #include "toonz/tcolumnfx.h"
 
 #include "pluginhost.h"
@@ -39,7 +41,6 @@
 // #include <QtConcurrent>
 
 #include "plugin_param_traits.h"
-#include "../include/toonzqt/pluginloader.h"
 
 using namespace toonz;  // plugin namespace
 
diff --git a/toonz/sources/toonzqt/schematicnode.cpp b/toonz/sources/toonzqt/schematicnode.cpp
index 7651fa2..424d9c0 100644
--- a/toonz/sources/toonzqt/schematicnode.cpp
+++ b/toonz/sources/toonzqt/schematicnode.cpp
@@ -1023,7 +1023,7 @@ QPointF SchematicPort::getLinkEndPoint() const { return scenePos() + m_hook; }
 //
 //========================================================
 
-/*! \class SchematicNode schematicnode.h "../include/toonzqt/schematicnode.h"
+/*! \class SchematicNode schematicnode.h <toonzqt/schematicnode.h>
         \brief The class provides methods to draw and handle a node item in the
    SchematicScene.
 */
@@ -1269,4 +1269,4 @@ void SnapTargetItem::paint(QPainter *painter,
   path.cubicTo(p0, p1, p2);
   painter->setRenderHint(QPainter::Antialiasing, true);
   painter->drawPath(path);
-}
\ No newline at end of file
+}
diff --git a/toonz/sources/toonzqt/styleselection.cpp b/toonz/sources/toonzqt/styleselection.cpp
index cf39024..5930e93 100644
--- a/toonz/sources/toonzqt/styleselection.cpp
+++ b/toonz/sources/toonzqt/styleselection.cpp
@@ -25,7 +25,6 @@
 #include "tundo.h"
 #include "tconvert.h"
 
-#include "../toonz/menubarcommandids.h"
 #include "historytypes.h"
 
 // Qt includes