diff --git a/dbdimp.h b/dbdimp.h
index 762a4bd..d480545 100644
--- a/dbdimp.h
+++ b/dbdimp.h
@@ -107,12 +107,12 @@ AV* sqlite_compile_options();
 int sqlite_db_trace(pTHX_ SV *dbh, SV *func);
 int sqlite_db_profile(pTHX_ SV *dbh, SV *func);
 HV* sqlite_db_table_column_metadata(pTHX_ SV *dbh, SV *dbname, SV *tablename, SV *columnname);
-HV* sqlite_db_status(pTHX_ SV *dbh, int reset);
+HV* _sqlite_db_status(pTHX_ SV *dbh, int reset);
 SV* sqlite_db_filename(pTHX_ SV *dbh);
 
 int sqlite_db_register_fts3_perl_tokenizer(pTHX_ SV *dbh);
-HV* sqlite_status(int reset);
-HV* sqlite_st_status(pTHX_ SV *sth, imp_sth_t *imp_sth, int reset);
+HV* _sqlite_status(int reset);
+HV* _sqlite_st_status(pTHX_ SV *sth, int reset);
 
 #ifdef SvUTF8_on