diff --git a/src/dtkcore_global.cpp b/src/dtkcore_global.cpp
index 5e53cd6c..8a65eb35 100644
--- a/src/dtkcore_global.cpp
+++ b/src/dtkcore_global.cpp
@@ -10,44 +10,6 @@
 #error "DTK_VERSION or DTK_VERSION_STR not defined!"
 #endif
 
-void doubleLoadCheck()
-{
-    // logic error
-    /*QFile f("/proc/self/maps");
-    if (!f.open(QIODevice::ReadOnly))
-        qFatal("%s", f.errorString().toLocal8Bit().data());
-
-    const QByteArray &data = f.readAll();
-    QTextStream ts(data);
-    QString modulePath;
-    while (Q_UNLIKELY(!ts.atEnd())) {
-        const QString line = ts.readLine();
-        const QStringList &maps = line.split(' ', QString::SplitBehavior::SkipEmptyParts);
-        if (Q_UNLIKELY(maps.size() < 6))
-            continue;
-
-        QFileInfo info(maps.value(5));
-        const QString &infoAbPath = info.absoluteFilePath();
-        if (modulePath == infoAbPath || !info.fileName().contains("dtkcore") || info.fileName().contains("dtkcore.so.2"))
-            continue;
-
-        if (modulePath.isEmpty()) {
-            modulePath = infoAbPath;
-        } else {
-            // modulePath != infoAbPath
-            QByteArray msg;
-            msg += modulePath + " and " + info.absoluteFilePath() + " both loaded";
-            qFatal("%s", msg.data());
-        }
-    }*/
-}
-
-// 在库被加载时就执行此函数
-__attribute__((constructor)) void init()
-{
-    doubleLoadCheck();
-}
-
 int dtkVersion()
 {
     return DTK_VERSION;