diff --git a/sqlite3_fts3_test.go b/sqlite3_opt_fts3_test.go
similarity index 100%
rename from sqlite3_fts3_test.go
rename to sqlite3_opt_fts3_test.go
diff --git a/sqlite3_fts5.go b/sqlite3_opt_fts5.go
similarity index 100%
rename from sqlite3_fts5.go
rename to sqlite3_opt_fts5.go
diff --git a/sqlite3_icu.go b/sqlite3_opt_icu.go
similarity index 100%
rename from sqlite3_icu.go
rename to sqlite3_opt_icu.go
diff --git a/sqlite3_json1.go b/sqlite3_opt_json1.go
similarity index 100%
rename from sqlite3_json1.go
rename to sqlite3_opt_json1.go
diff --git a/sqlite3_vtable.go b/sqlite3_opt_vtable.go
similarity index 100%
rename from sqlite3_vtable.go
rename to sqlite3_opt_vtable.go
diff --git a/sqlite3_vtable_test.go b/sqlite3_opt_vtable_test.go
similarity index 100%
rename from sqlite3_vtable_test.go
rename to sqlite3_opt_vtable_test.go