diff --git a/termkey.c b/termkey.c
index 18ad980..e1969c2 100644
--- a/termkey.c
+++ b/termkey.c
@@ -995,7 +995,10 @@ static TermKeySym register_c0_full(TermKey *tk, TermKeySym sym, int modifier_set
   return sym;
 }
 
-/* Previous name for this function */
+/* Previous name for this function
+ * No longer declared in termkey.h but it remains in the compiled library for
+ * backward-compatibility reasons.
+ */
 size_t termkey_snprint_key(TermKey *tk, char *buffer, size_t len, TermKeyKey *key, TermKeyFormat format)
 {
   return termkey_strfkey(tk, buffer, len, key, format);
diff --git a/termkey.h.in b/termkey.h.in
index a22ce5f..f0bce90 100644
--- a/termkey.h.in
+++ b/termkey.h.in
@@ -197,18 +197,6 @@ char   *termkey_strpkey(TermKey *tk, const char *str, TermKeyKey *key, TermKeyFo
 
 int termkey_keycmp(TermKey *tk, const TermKeyKey *key1, const TermKeyKey *key2);
 
-// Old name for termkey_strfkey()
-size_t termkey_snprint_key(TermKey *tk, char *buffer, size_t len, TermKeyKey *key, TermKeyFormat format);
-
-// Legacy name typedefs
-
-typedef TermKeySym    termkey_keysym;
-typedef TermKeyType   termkey_type;
-typedef TermKeyResult termkey_result;
-typedef TermKeyKey    termkey_key;
-
-typedef TermKey termkey_t;
-
 #endif
 
 #ifdef __cplusplus