diff --git a/content/svg/content/src/nsSVGAnimationElement.cpp b/content/svg/content/src/nsSVGAnimationElement.cpp
index 91a2a231afa..9decc6829bb 100644
--- a/content/svg/content/src/nsSVGAnimationElement.cpp
+++ b/content/svg/content/src/nsSVGAnimationElement.cpp
@@ -71,10 +71,20 @@ NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
 //----------------------------------------------------------------------
 // Implementation
 
+#ifdef _MSC_VER
+// Disable "warning C4355: 'this' : used in base member initializer list".
+// We can ignore that warning because we know that mHrefTarget's constructor 
+// doesn't dereference the pointer passed to it.
+#pragma warning(push)
+#pragma warning(disable:4355)
+#endif
 nsSVGAnimationElement::nsSVGAnimationElement(nsINodeInfo *aNodeInfo)
   : nsSVGAnimationElementBase(aNodeInfo),
     mHrefTarget(this),
     mTimedDocumentRoot(nsnull)
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
 {
 }
 
diff --git a/content/svg/content/src/nsSVGUseElement.cpp b/content/svg/content/src/nsSVGUseElement.cpp
index efa80dae076..5cc673e1971 100644
--- a/content/svg/content/src/nsSVGUseElement.cpp
+++ b/content/svg/content/src/nsSVGUseElement.cpp
@@ -95,8 +95,18 @@ NS_INTERFACE_MAP_END_INHERITING(nsSVGUseElementBase)
 //----------------------------------------------------------------------
 // Implementation
 
+#ifdef _MSC_VER
+// Disable "warning C4355: 'this' : used in base member initializer list".
+// We can ignore that warning because we know that mSource's constructor 
+// doesn't dereference the pointer passed to it.
+#pragma warning(push)
+#pragma warning(disable:4355)
+#endif
 nsSVGUseElement::nsSVGUseElement(nsINodeInfo *aNodeInfo)
   : nsSVGUseElementBase(aNodeInfo), mSource(this)
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
 {
 }
 
diff --git a/layout/svg/base/src/nsSVGEffects.cpp b/layout/svg/base/src/nsSVGEffects.cpp
index 16426c666a1..385b73c730a 100644
--- a/layout/svg/base/src/nsSVGEffects.cpp
+++ b/layout/svg/base/src/nsSVGEffects.cpp
@@ -48,12 +48,22 @@
 
 NS_IMPL_ISUPPORTS1(nsSVGRenderingObserver, nsIMutationObserver)
 
+#ifdef _MSC_VER
+// Disable "warning C4355: 'this' : used in base member initializer list".
+// We can ignore that warning because we know that mElement's constructor 
+// doesn't dereference the pointer passed to it.
+#pragma warning(push)
+#pragma warning(disable:4355)
+#endif
 nsSVGRenderingObserver::nsSVGRenderingObserver(nsIURI *aURI,
                                                nsIFrame *aFrame)
   : mElement(this), mFrame(aFrame),
     mFramePresShell(aFrame->PresContext()->PresShell()),
     mReferencedFrame(nsnull),
     mReferencedFramePresShell(nsnull)
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
 {
   // Start watching the target element
   mElement.Reset(aFrame->GetContent(), aURI);