diff --git a/xpinstall/src/nsInstall.cpp b/xpinstall/src/nsInstall.cpp
index 40436e04c182..eddff3ecb35b 100644
--- a/xpinstall/src/nsInstall.cpp
+++ b/xpinstall/src/nsInstall.cpp
@@ -106,7 +106,7 @@ nsInstallInfo::nsInstallInfo(nsVector* fromURL, const nsString& arguments, const
 
 }
 
-
+void
 nsInstallInfo::DeleteVector(nsVector* vector)
 {
     if (vector != nsnull)
@@ -145,6 +145,7 @@ nsInstallInfo::~nsInstallInfo()
     delete mFlags;
 }
 
+void
 nsInstallInfo::MakeTempFile(nsString aURL, nsString& tempFileString)
 {
     // Checking to see if the url is local is a hack.  I should see if 
diff --git a/xpinstall/src/nsInstall.h b/xpinstall/src/nsInstall.h
index 844f3237ddba..58f28e7f2143 100644
--- a/xpinstall/src/nsInstall.h
+++ b/xpinstall/src/nsInstall.h
@@ -62,8 +62,9 @@ class nsInstallInfo
     PRBool    IsMultipleTrigger();
   
   private:
-    DeleteVector(nsVector* vector);
-    MakeTempFile(nsString aURL, nsString& tempFileString);
+    
+    void DeleteVector(nsVector* vector);
+    void MakeTempFile(nsString aURL, nsString& tempFileString);
 
     nsString *mLocalFile;
     nsString *mFromURL;