diff --git a/src/corelib/io/qloggingcategory.cpp b/src/corelib/io/qloggingcategory.cpp
index 10763dd65a..a1c0165d44 100644
--- a/src/corelib/io/qloggingcategory.cpp
+++ b/src/corelib/io/qloggingcategory.cpp
@@ -172,11 +172,6 @@ Q_GLOBAL_STATIC(QLoggingCategory, qtDefaultCategory, qtDefaultCategoryName)
 QLoggingCategory::QLoggingCategory(const char *category, QtMsgType enableForLevel)
     : d(nullptr),
       name(nullptr)
-{
-    init(category, enableForLevel);
-}
-
-void QLoggingCategory::init(const char *category, QtMsgType severityLevel)
 {
     enabled.storeRelaxed(0x01010101);   // enabledDebug = enabledWarning = enabledCritical = true;
 
@@ -186,7 +181,7 @@ void QLoggingCategory::init(const char *category, QtMsgType severityLevel)
         name = qtDefaultCategoryName;
 
     if (QLoggingRegistry *reg = QLoggingRegistry::instance())
-        reg->registerCategory(this, severityLevel);
+        reg->registerCategory(this, enableForLevel);
 }
 
 /*!
diff --git a/src/corelib/io/qloggingcategory.h b/src/corelib/io/qloggingcategory.h
index 7c32beea1a..9e00e73b7b 100644
--- a/src/corelib/io/qloggingcategory.h
+++ b/src/corelib/io/qloggingcategory.h
@@ -38,10 +38,8 @@ public:
     static void setFilterRules(const QString &rules);
 
 private:
-    void init(const char *category, QtMsgType severityLevel);
-
-    Q_DECL_UNUSED_MEMBER void *d; // reserved for future use
-    const char *name;
+    Q_DECL_UNUSED_MEMBER void *d = nullptr; // reserved for future use
+    const char *name = nullptr;
 
     struct AtomicBools {
         QBasicAtomicInteger<bool> enabledDebug;