diff --git a/shlr/tcc/libtcc.c b/shlr/tcc/libtcc.c
index 1a25e7d935880..a60355ad688f2 100644
--- a/shlr/tcc/libtcc.c
+++ b/shlr/tcc/libtcc.c
@@ -856,6 +856,7 @@ static const FlagDef flag_defs[] = {
     { offsetof(TCCState, leading_underscore), 0, "leading-underscore" },
 };
 #endif
+void (*tcc_cb)(const char *, char **);
 
 PUB_FUNC void tcc_set_callback (TCCState *s, void (*cb)(const char *,char**), char **p) {
 	tcc_cb = cb;
diff --git a/shlr/tcc/tcc.h b/shlr/tcc/tcc.h
index e1c974adeaad6..77b063078e93d 100644
--- a/shlr/tcc/tcc.h
+++ b/shlr/tcc/tcc.h
@@ -1027,6 +1027,5 @@ ST_FUNC int classify_x86_64_va_arg(CType *ty);
 PUB_FUNC void tcc_appendf (const char *fmt, ...);
 
 extern void (*tcc_cb)(const char *, char **);
-void (*tcc_cb)(const char *, char **);
 
 #endif /* _TCC_H */