diff --git a/taglib/asf/asfproperties.cpp b/taglib/asf/asfproperties.cpp
index b82c131a..acec09d2 100644
--- a/taglib/asf/asfproperties.cpp
+++ b/taglib/asf/asfproperties.cpp
@@ -51,8 +51,7 @@ ASF::Properties::Properties() : AudioProperties(AudioProperties::Average)
 
 ASF::Properties::~Properties()
 {
-  if(d)
-    delete d;
+  delete d;
 }
 
 int ASF::Properties::length() const
diff --git a/taglib/asf/asftag.cpp b/taglib/asf/asftag.cpp
index 9317bc6a..13d92b5f 100644
--- a/taglib/asf/asftag.cpp
+++ b/taglib/asf/asftag.cpp
@@ -47,8 +47,7 @@ ASF::Tag::Tag()
 
 ASF::Tag::~Tag()
 {
-  if(d)
-    delete d;
+  delete d;
 }
 
 String ASF::Tag::title() const
diff --git a/taglib/mp4/mp4file.cpp b/taglib/mp4/mp4file.cpp
index aab1a2be..e3cb02a3 100644
--- a/taglib/mp4/mp4file.cpp
+++ b/taglib/mp4/mp4file.cpp
@@ -41,18 +41,9 @@ public:
 
   ~FilePrivate()
   {
-    if(atoms) {
-        delete atoms;
-        atoms = 0;
-    }
-    if(tag) {
-        delete tag;
-        tag = 0;
-    }
-    if(properties) {
-        delete properties;
-        properties = 0;
-    }
+    delete atoms;
+    delete tag;
+    delete properties;
   }
 
   MP4::Tag *tag;