diff --git a/kitty/tracker.c b/kitty/tracker.c
index b2139f2ad..2ce006d0b 100644
--- a/kitty/tracker.c
+++ b/kitty/tracker.c
@@ -6,6 +6,7 @@
  */
 
 #include "data-types.h"
+#include "tracker.h"
 #include <structmember.h>
 
 #define RESET_STATE_VARS(self) \
@@ -60,37 +61,6 @@ reset(ChangeTracker *self) {
     Py_RETURN_NONE;
 }
 
-static inline void tracker_cursor_changed(ChangeTracker *self) {
-    self->cursor_changed = true;
-    self->dirty = true;
-}
-
-static inline void tracker_line_added_to_history(ChangeTracker *self) {
-    self->history_line_added_count++;
-    self->dirty = true;
-}
-
-static inline void tracker_update_screen(ChangeTracker *self) {
-    self->screen_changed = true;
-    self->dirty = true;
-}
-
-static inline void tracker_update_line_range(ChangeTracker *self, unsigned int first_line, unsigned int last_line) {
-    if (!self->screen_changed) {
-        for (unsigned int i = first_line; i <= MIN(self->ynum - 1, last_line); i++) self->changed_lines[i] = true;
-        self->dirty = true;
-    }
-}
-
-static inline void tracker_update_cell_range(ChangeTracker *self, unsigned int line, unsigned int first_cell, unsigned int last_cell) {
-    if (!self->screen_changed && line < self->ynum && !self->changed_lines[line]) {
-        self->lines_with_changed_cells[line] = true;
-        unsigned int base = line * self->xnum;
-        for (unsigned int i = first_cell; i <= MIN(self->xnum - 1, last_cell); i++) self->changed_cells[base + i] = true;
-        self->dirty = true;
-    }
-}
-
 static PyObject*
 cursor_changed(ChangeTracker *self) {
 #define cursor_changed_doc ""
diff --git a/kitty/tracker.h b/kitty/tracker.h
new file mode 100644
index 000000000..fc15458d2
--- /dev/null
+++ b/kitty/tracker.h
@@ -0,0 +1,39 @@
+/*
+ * tracker.h
+ * Copyright (C) 2016 Kovid Goyal <kovid at kovidgoyal.net>
+ *
+ * Distributed under terms of the GPL3 license.
+ */
+
+#pragma once
+
+static inline void tracker_cursor_changed(ChangeTracker *self) {
+    self->cursor_changed = true;
+    self->dirty = true;
+}
+
+static inline void tracker_line_added_to_history(ChangeTracker *self) {
+    self->history_line_added_count++;
+    self->dirty = true;
+}
+
+static inline void tracker_update_screen(ChangeTracker *self) {
+    self->screen_changed = true;
+    self->dirty = true;
+}
+
+static inline void tracker_update_line_range(ChangeTracker *self, unsigned int first_line, unsigned int last_line) {
+    if (!self->screen_changed) {
+        for (unsigned int i = first_line; i <= MIN(self->ynum - 1, last_line); i++) self->changed_lines[i] = true;
+        self->dirty = true;
+    }
+}
+
+static inline void tracker_update_cell_range(ChangeTracker *self, unsigned int line, unsigned int first_cell, unsigned int last_cell) {
+    if (!self->screen_changed && line < self->ynum && !self->changed_lines[line]) {
+        self->lines_with_changed_cells[line] = true;
+        unsigned int base = line * self->xnum;
+        for (unsigned int i = first_cell; i <= MIN(self->xnum - 1, last_cell); i++) self->changed_cells[base + i] = true;
+        self->dirty = true;
+    }
+}