--- a/src/cx/common.h	Fri May 27 17:40:27 2022 +0200
+++ b/src/cx/common.h	Wed Jun 08 21:33:31 2022 +0200
@@ -94,25 +94,6 @@
 #include <stdbool.h>
 
 /**
- * Structure that contains a pointer to arbitrary data.
- */
-struct cx_data_ptr_s {
-    /**
-     * A pointer to the data.
-     */
-    unsigned char const *data;
-    /**
-     * The length of the data.
-     */
-    size_t len;
-};
-
-/**
- * Type for a data pointer with length information.
- */
-typedef struct cx_data_ptr_s CxDataPtr;
-
-/**
  * Function pointer compatible with fwrite-like functions.
  */
 typedef size_t (*cx_write_func)(