diff --git a/src/engine/fsutils.h b/src/engine/fsutils.h
--- a/src/engine/fsutils.h
+++ b/src/engine/fsutils.h
@@ -29,13 +29,6 @@
 namespace Baloo {
 namespace FSUtils {
 
-/**
- * Returns name of filesystem that @p directory is stored on. This
- * only works on Linux and returns empty string on other platforms or when it's
- * unable to detect the filesystem.
- */
-QString getDirectoryFileSystem(const QString &directory);
-
 /**
  * Disables filesystem copy-on-write feature on given file or directory.
  * Only implemented on Linux and does nothing on other platforms.
diff --git a/src/engine/fsutils.cpp b/src/engine/fsutils.cpp
--- a/src/engine/fsutils.cpp
+++ b/src/engine/fsutils.cpp
@@ -27,45 +27,12 @@
 #ifdef Q_OS_LINUX
 #include <errno.h>
 #include <unistd.h>
-#include <mntent.h>
 #include <sys/ioctl.h>
 #include <fcntl.h>
 #endif
 
 using namespace Baloo;
 
-QString FSUtils::getDirectoryFileSystem(const QString &directory)
-{
-#ifndef Q_OS_LINUX
-    return QString();
-#else
-    QString bestMatchPath;
-    QString bestMatchFS;
-
-    FILE *mtab = setmntent("/etc/mtab", "r");
-    if (!mtab) {
-        return QString();
-    }
-    while (mntent *mnt = getmntent(mtab)) {
-        if (qstrcmp(mnt->mnt_type, MNTTYPE_IGNORE) == 0) {
-            continue;
-        }
-
-        const QString dir = QString::fromLocal8Bit(mnt->mnt_dir);
-        if (!directory.startsWith(dir) || dir.length() < bestMatchPath.length()) {
-            continue;
-        }
-
-        bestMatchPath = dir;
-        bestMatchFS = QString::fromLocal8Bit(mnt->mnt_type);
-    }
-
-    endmntent(mtab);
-
-    return bestMatchFS;
-#endif
-}
-
 void FSUtils::disableCoW(const QString &path)
 {
 #ifndef Q_OS_LINUX