1diff --git a/src/libdecor-plugin.h b/src/libdecor-plugin.h
2index ba80ce6..59199dd 100644
3--- a/src/libdecor-plugin.h
4+++ b/src/libdecor-plugin.h
5@@ -132,12 +132,6 @@ struct libdecor_plugin_interface {
6 struct wl_surface *
7 libdecor_frame_get_wl_surface(struct libdecor_frame *frame);
8
9-int
10-libdecor_frame_get_content_width(struct libdecor_frame *frame);
11-
12-int
13-libdecor_frame_get_content_height(struct libdecor_frame *frame);
14-
15 enum libdecor_window_state
16 libdecor_frame_get_window_state(struct libdecor_frame *frame);
17
18diff --git a/src/libdecor.h b/src/libdecor.h
19index af67e2f..b5eba41 100644
20--- a/src/libdecor.h
21+++ b/src/libdecor.h
22@@ -532,6 +532,12 @@ bool
23 libdecor_configuration_get_window_state(struct libdecor_configuration *configuration,
24 enum libdecor_window_state *window_state);
25
26+int
27+libdecor_frame_get_content_width(struct libdecor_frame *frame);
28+
29+int
30+libdecor_frame_get_content_height(struct libdecor_frame *frame);
31+
32 #ifdef __cplusplus
33 }
34 #endif