diff --git a/src/core/core.cpp b/src/core/core.cpp
index 8b6005620..501fec762 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -943,26 +943,6 @@ void Core::setStatus(Status status)
     emit statusSet(status);
 }
 
-QString Core::sanitize(QString name)
-{
-    // these are pretty much Windows banned filename characters
-    QList<QChar> banned{'/', '\\', ':', '<', '>', '"', '|', '?', '*'};
-    for (QChar c : banned) {
-        name.replace(c, '_');
-    }
-
-    // also remove leading and trailing periods
-    if (name[0] == '.') {
-        name[0] = '_';
-    }
-
-    if (name.endsWith('.')) {
-        name[name.length() - 1] = '_';
-    }
-
-    return name;
-}
-
 /**
  * @brief Returns the unencrypted tox save data
  */
diff --git a/src/core/core.h b/src/core/core.h
index 22f6a5a44..a32d71031 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -46,7 +46,6 @@ public:
     ~Core();
 
     static const QString TOX_EXT;
-    static QString sanitize(QString name);
     static QStringList splitMessage(const QString& message, int maxLen);
 
     static QByteArray getSaltFromFile(QString filename);
diff --git a/src/model/profile/profileinfo.cpp b/src/model/profile/profileinfo.cpp
index 620a31296..9032e6d38 100644
--- a/src/model/profile/profileinfo.cpp
+++ b/src/model/profile/profileinfo.cpp
@@ -117,6 +117,32 @@ QString ProfileInfo::getProfileName() const
     return profile->getName();
 }
 
+/**
+ * @brief Remove characters not supported for profile name from string.
+ * @param src Source string.
+ * @return Sanitized string.
+ */
+static QString sanitize(const QString& src)
+{
+    QString name = src;
+    // these are pretty much Windows banned filename characters
+    QList<QChar> banned{'/', '\\', ':', '<', '>', '"', '|', '?', '*'};
+    for (QChar c : banned) {
+        name.replace(c, '_');
+    }
+
+    // also remove leading and trailing periods
+    if (name[0] == '.') {
+        name[0] = '_';
+    }
+
+    if (name.endsWith('.')) {
+        name[name.length() - 1] = '_';
+    }
+
+    return name;
+}
+
 /**
  * @brief Rename profile file.
  * @param name New profile name.
@@ -129,7 +155,7 @@ IProfileInfo::RenameResult ProfileInfo::renameProfile(const QString &name)
         return RenameResult::EmptyName;
     }
 
-    QString newName = Core::sanitize(name);
+    QString newName = sanitize(name);
 
     if (Profile::exists(newName)) {
         return RenameResult::ProfileAlreadyExists;
@@ -142,8 +168,22 @@ IProfileInfo::RenameResult ProfileInfo::renameProfile(const QString &name)
     return RenameResult::OK;
 }
 
+// TODO: Find out what is dangerous?
 /**
- * @brief Save profile in cusom place.
+ * @brief Dangerous way to find out if a path is writable.
+ * @param filepath Path to file which should be deleted.
+ * @return True, if file writeable, false otherwise.
+ */
+static bool tryRemoveFile(const QString& filepath)
+{
+    QFile tmp(filepath);
+    bool writable = tmp.open(QIODevice::WriteOnly);
+    tmp.remove();
+    return writable;
+}
+
+/**
+ * @brief Save profile in custom place.
  * @param path Path to save profile.
  * @return Result code of save operation.
  */
@@ -154,7 +194,7 @@ IProfileInfo::SaveResult ProfileInfo::exportProfile(const QString &path) const
         return SaveResult::EmptyPath;
     }
 
-    if (!Nexus::tryRemoveFile(path)) {
+    if (!tryRemoveFile(path)) {
         return SaveResult::NoWritePermission;
     }
 
@@ -167,7 +207,7 @@ IProfileInfo::SaveResult ProfileInfo::exportProfile(const QString &path) const
 
 /**
  * @brief Remove profile.
- * @return List of files, which can't be removed automaticaly.
+ * @return List of files, which couldn't be removed automaticaly.
  */
 // TODO: Use QStringList
 QVector<QString> ProfileInfo::removeProfile()
@@ -208,7 +248,7 @@ IProfileInfo::SaveResult ProfileInfo::saveQr(const QImage& image, const QString&
         return SaveResult::EmptyPath;
     }
 
-    if (!Nexus::tryRemoveFile(path)) {
+    if (!tryRemoveFile(path)) {
         return SaveResult::NoWritePermission;
     }