diff --git a/src/libs/3rdparty/sqlite/sqlite.pri b/src/libs/3rdparty/sqlite/sqlite.pri
index 469a76955e9..abab306d81a 100644
--- a/src/libs/3rdparty/sqlite/sqlite.pri
+++ b/src/libs/3rdparty/sqlite/sqlite.pri
@@ -1,7 +1,6 @@
 INCLUDEPATH *= $$PWD
 
-HEADERS += $$PWD/okapi_bm25.h \
-           $$PWD/sqlite3.h \
+HEADERS += $$PWD/sqlite3.h \
            $$PWD/sqlite3ext.h
 
 SOURCES += $$PWD/sqlite3.c
diff --git a/src/libs/sqlite/sqlitedatabasebackend.cpp b/src/libs/sqlite/sqlitedatabasebackend.cpp
index 91e8df1b37d..2f60677e59b 100644
--- a/src/libs/sqlite/sqlitedatabasebackend.cpp
+++ b/src/libs/sqlite/sqlitedatabasebackend.cpp
@@ -35,8 +35,6 @@
 #include <QThread>
 #include <QDebug>
 
-#include "okapi_bm25.h"
-
 #include "sqlite3.h"
 
 namespace Sqlite {
@@ -221,9 +219,6 @@ void DatabaseBackend::registerBusyHandler()
 
 void DatabaseBackend::registerRankingFunction()
 {
-    //    sqlite3_create_function_v2(sqliteDatabaseHandle(), "okapi_bm25", -1, SQLITE_ANY, 0, okapi_bm25, 0, 0, 0);
-    //    sqlite3_create_function_v2(sqliteDatabaseHandle(), "okapi_bm25f", -1, SQLITE_UTF8, 0, okapi_bm25f, 0, 0, 0);
-    //    sqlite3_create_function_v2(sqliteDatabaseHandle(), "okapi_bm25f_kb", -1, SQLITE_UTF8, 0, okapi_bm25f_kb, 0, 0, 0);
 }
 
 int DatabaseBackend::busyHandlerCallback(void *, int counter)