diff --git a/include/sway/config.h b/include/sway/config.h
index 538930f22..2e24c3ae8 100644
--- a/include/sway/config.h
+++ b/include/sway/config.h
@@ -48,7 +48,7 @@ enum binding_flags {
 };
 
 /**
- * A key binding and an associated command.
+ * A key (or mouse) binding and an associated command.
  */
 struct sway_binding {
 	enum binding_input_type type;
@@ -62,14 +62,6 @@ struct sway_binding {
 	char *command;
 };
 
-/**
- * A mouse binding and an associated command.
- */
-struct sway_mouse_binding {
-	uint32_t button;
-	char *command;
-};
-
 enum sway_switch_trigger {
 	SWAY_SWITCH_TRIGGER_OFF,
 	SWAY_SWITCH_TRIGGER_ON,