diff --git a/src/pcre2_maketables.c b/src/pcre2_maketables.c
index b1eb137..8c93b4b 100644
--- a/src/pcre2_maketables.c
+++ b/src/pcre2_maketables.c
@@ -147,6 +147,7 @@ for (i = 0; i < 256; i++)
 return yield;
 }
 
+#ifndef DFTABLES
 PCRE2_EXP_DEFN void PCRE2_CALL_CONVENTION
 pcre2_maketables_free(pcre2_general_context *gcontext, const uint8_t *tables)
 {
@@ -155,5 +156,6 @@ pcre2_maketables_free(pcre2_general_context *gcontext, const uint8_t *tables)
   else
     free((void *)tables);
 }
+#endif
 
 /* End of pcre2_maketables.c */