diff --git a/include/sway/config.h b/include/sway/config.h
index b8327e9cc..b90f6cafb 100644
--- a/include/sway/config.h
+++ b/include/sway/config.h
@@ -47,7 +47,7 @@ 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;
@@ -61,14 +61,6 @@ struct sway_binding {
 	char *command;
 };
 
-/**
- * A mouse binding and an associated command.
- */
-struct sway_mouse_binding {
-	uint32_t button;
-	char *command;
-};
-
 /**
  * A laptop switch binding and an associated command.
  */