diff --git a/src/fs/filesystem_p.h b/src/fs/filesystem_p.h
new file mode 100644
index 0000000..ed410ba
--- /dev/null
+++ b/src/fs/filesystem_p.h
@@ -0,0 +1,36 @@
+/*************************************************************************
+ *  Copyright (C) 2018 by Andrius Štikonas <andrius@stikonas.eu>         *
+ *                                                                       *
+ *  This program is free software; you can redistribute it and/or        *
+ *  modify it under the terms of the GNU General Public License as       *
+ *  published by the Free Software Foundation; either version 3 of       *
+ *  the License, or (at your option) any later version.                  *
+ *                                                                       *
+ *  This program is distributed in the hope that it will be useful,      *
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of       *
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
+ *  GNU General Public License for more details.                         *
+ *                                                                       *
+ *  You should have received a copy of the GNU General Public License    *
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.*
+ *************************************************************************/
+
+#ifndef KPMCORE_FILESYSTEM_P_H
+#define KPMCORE_FILESYSTEM_P_H
+
+#include "fs/filesystem.h"
+
+#include <QString>
+
+class FileSystemPrivate {
+public:
+    FileSystem::Type m_Type;
+    qint64 m_FirstSector;
+    qint64 m_LastSector;
+    qint64 m_SectorSize;
+    qint64 m_SectorsUsed;
+    QString m_Label;
+    QString m_UUID;
+};
+
+#endif
diff --git a/src/ops/operation_p.h b/src/ops/operation_p.h
new file mode 100644
index 0000000..3a37595
--- /dev/null
+++ b/src/ops/operation_p.h
@@ -0,0 +1,31 @@
+/*************************************************************************
+ *  Copyright (C) 2018 by Andrius Štikonas <andrius@stikonas.eu>         *
+ *                                                                       *
+ *  This program is free software; you can redistribute it and/or        *
+ *  modify it under the terms of the GNU General Public License as       *
+ *  published by the Free Software Foundation; either version 3 of       *
+ *  the License, or (at your option) any later version.                  *
+ *                                                                       *
+ *  This program is distributed in the hope that it will be useful,      *
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of       *
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
+ *  GNU General Public License for more details.                         *
+ *                                                                       *
+ *  You should have received a copy of the GNU General Public License    *
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.*
+ *************************************************************************/
+
+#ifndef KPMCORE_OPERATION_P_H
+#define KPMCORE_OPERATION_P_H
+
+#include "ops/operation.h"
+
+class OperationPrivate
+{
+public:
+    Operation::OperationStatus m_Status;
+    QList<Job*> m_Jobs;
+    qint32 m_ProgressBase;
+};
+
+#endif