diff --git a/src/Orchard.Tests/Environment/Extensions/ExtensionLoaderCoordinatorTests.cs b/src/Orchard.Tests/Environment/Extensions/ExtensionLoaderCoordinatorTests.cs
index f5527bb79..9c576aecc 100644
--- a/src/Orchard.Tests/Environment/Extensions/ExtensionLoaderCoordinatorTests.cs
+++ b/src/Orchard.Tests/Environment/Extensions/ExtensionLoaderCoordinatorTests.cs
@@ -64,11 +64,11 @@ namespace Orchard.Tests.Environment.Extensions {
                 return new ExtensionEntry { Descriptor = descriptor, ExportedTypes = new[] { typeof(Alpha), typeof(Beta), typeof(Phi) } };
             }
 
-            public void ExtensionActivated(ExtensionLoadingContext ctx, bool isNewExtension, ExtensionDescriptor extension) {
+            public void ExtensionActivated(ExtensionLoadingContext ctx, ExtensionDescriptor extension) {
                 throw new NotImplementedException();
             }
 
-            public void ExtensionDeactivated(ExtensionLoadingContext ctx, bool isNewExtension, ExtensionDescriptor extension) {
+            public void ExtensionDeactivated(ExtensionLoadingContext ctx, ExtensionDescriptor extension) {
                 throw new NotImplementedException();
             }
 
diff --git a/src/Orchard.Tests/Environment/Extensions/ExtensionManagerTests.cs b/src/Orchard.Tests/Environment/Extensions/ExtensionManagerTests.cs
index 6b1ecc127..92e6c1e61 100644
--- a/src/Orchard.Tests/Environment/Extensions/ExtensionManagerTests.cs
+++ b/src/Orchard.Tests/Environment/Extensions/ExtensionManagerTests.cs
@@ -63,11 +63,11 @@ namespace Orchard.Tests.Environment.Extensions {
                 return new ExtensionEntry { Descriptor = descriptor, ExportedTypes = new[] { typeof(Alpha), typeof(Beta), typeof(Phi) } };
             }
 
-            public void ExtensionActivated(ExtensionLoadingContext ctx, bool isNewExtension, ExtensionDescriptor extension) {
+            public void ExtensionActivated(ExtensionLoadingContext ctx, ExtensionDescriptor extension) {
                 throw new NotImplementedException();
             }
 
-            public void ExtensionDeactivated(ExtensionLoadingContext ctx, bool isNewExtension, ExtensionDescriptor extension) {
+            public void ExtensionDeactivated(ExtensionLoadingContext ctx, ExtensionDescriptor extension) {
                 throw new NotImplementedException();
             }
 
diff --git a/src/Orchard/Environment/Extensions/ExtensionLoaderCoordinator.cs b/src/Orchard/Environment/Extensions/ExtensionLoaderCoordinator.cs
index 2f65e88c9..24fb9d0f2 100644
--- a/src/Orchard/Environment/Extensions/ExtensionLoaderCoordinator.cs
+++ b/src/Orchard/Environment/Extensions/ExtensionLoaderCoordinator.cs
@@ -58,8 +58,7 @@ namespace Orchard.Environment.Extensions {
             // load that extension.
             var newDependencies = new List<DependencyDescriptor>();
             foreach (var extension in extensions) {
-                bool isNewExtension = newExtensions.Any(e => e.Name == extension.Name);
-                ProcessExtension(ctx, extension, isNewExtension, existingDependencies, newDependencies);
+                ProcessExtension(ctx, extension, existingDependencies, newDependencies);
             }
 
             // Execute all the work need by "ctx"
@@ -71,9 +70,8 @@ namespace Orchard.Environment.Extensions {
         }
 
         private void ProcessExtension(
-            ExtensionLoadingContext ctx,
+            ExtensionLoadingContext loadingContext,
             ExtensionDescriptor extension,
-            bool isNewExtension,
             IEnumerable<DependencyDescriptor> existingDependencies,
             List<DependencyDescriptor> newDependencies) {
 
@@ -98,17 +96,17 @@ namespace Orchard.Environment.Extensions {
             var previousDependency = existingDependencies.Where(d => d.Name == extension.Name).FirstOrDefault();
 
             if (activatedExtension == null) {
-                Logger.Warning("No loader found for extension {0}!", extension.Name);
+                Logger.Warning("No loader found for extension \"{0}\"!", extension.Name);
             }
 
             foreach (var loader in _loaders) {
                 if (activatedExtension != null && activatedExtension.Loader.Name == loader.Name) {
                     Logger.Information("Activating extension \"{0}\" with loader \"{1}\"", activatedExtension.Descriptor.Name, loader.Name);
-                    loader.ExtensionActivated(ctx, isNewExtension, extension);
+                    loader.ExtensionActivated(loadingContext, extension);
                 }
                 else if (previousDependency != null && previousDependency.LoaderName == loader.Name) {
                     Logger.Information("Deactivating extension \"{0}\" from loader \"{1}\"", previousDependency.Name, loader.Name);
-                    loader.ExtensionDeactivated(ctx, isNewExtension, extension);
+                    loader.ExtensionDeactivated(loadingContext, extension);
                 }
             }
 
@@ -132,12 +130,12 @@ namespace Orchard.Environment.Extensions {
             }
 
             if (ctx.RestartAppDomain) {
-                 Logger.Information("AppDomain restart required.");
+                Logger.Information("AppDomain restart required.");
                 _hostEnvironment.RestartAppDomain();
             }
 
             if (ctx.ResetSiteCompilation) {
-                    Logger.Information("Reset site compilation state required.");
+                Logger.Information("Reset site compilation state required.");
                 _hostEnvironment.ResetSiteCompilation();
             }
         }
diff --git a/src/Orchard/Environment/Extensions/Loaders/ExtensionLoaderBase.cs b/src/Orchard/Environment/Extensions/Loaders/ExtensionLoaderBase.cs
index 987ebfc6d..3c4847c95 100644
--- a/src/Orchard/Environment/Extensions/Loaders/ExtensionLoaderBase.cs
+++ b/src/Orchard/Environment/Extensions/Loaders/ExtensionLoaderBase.cs
@@ -26,8 +26,8 @@ namespace Orchard.Environment.Extensions.Loaders {
             return null;
         }
 
-        public virtual void ExtensionActivated(ExtensionLoadingContext ctx, bool isNewExtension, ExtensionDescriptor extension) { }
-        public virtual void ExtensionDeactivated(ExtensionLoadingContext ctx, bool isNewExtension, ExtensionDescriptor extension) { }
+        public virtual void ExtensionActivated(ExtensionLoadingContext ctx, ExtensionDescriptor extension) { }
+        public virtual void ExtensionDeactivated(ExtensionLoadingContext ctx, ExtensionDescriptor extension) { }
         public virtual void ExtensionRemoved(ExtensionLoadingContext ctx, DependencyDescriptor dependency) { }
         public virtual void Monitor(ExtensionDescriptor extension, Action<IVolatileToken> monitor) { }
 
diff --git a/src/Orchard/Environment/Extensions/Loaders/IExtensionLoader.cs b/src/Orchard/Environment/Extensions/Loaders/IExtensionLoader.cs
index 501e62488..2f2bd8765 100644
--- a/src/Orchard/Environment/Extensions/Loaders/IExtensionLoader.cs
+++ b/src/Orchard/Environment/Extensions/Loaders/IExtensionLoader.cs
@@ -19,8 +19,8 @@ namespace Orchard.Environment.Extensions.Loaders {
         ExtensionProbeEntry Probe(ExtensionDescriptor descriptor);
         ExtensionEntry Load(ExtensionDescriptor descriptor);
 
-        void ExtensionActivated(ExtensionLoadingContext ctx, bool isNewExtension, ExtensionDescriptor extension);
-        void ExtensionDeactivated(ExtensionLoadingContext ctx, bool isNewExtension, ExtensionDescriptor extension);
+        void ExtensionActivated(ExtensionLoadingContext ctx, ExtensionDescriptor extension);
+        void ExtensionDeactivated(ExtensionLoadingContext ctx, ExtensionDescriptor extension);
         void ExtensionRemoved(ExtensionLoadingContext ctx, DependencyDescriptor dependency);
 
         void Monitor(ExtensionDescriptor extension, Action<IVolatileToken> monitor);
diff --git a/src/Orchard/Environment/Extensions/Loaders/PrecompiledExtensionLoader.cs b/src/Orchard/Environment/Extensions/Loaders/PrecompiledExtensionLoader.cs
index 3baceaecd..d4a62c7b9 100644
--- a/src/Orchard/Environment/Extensions/Loaders/PrecompiledExtensionLoader.cs
+++ b/src/Orchard/Environment/Extensions/Loaders/PrecompiledExtensionLoader.cs
@@ -55,7 +55,7 @@ namespace Orchard.Environment.Extensions.Loaders {
             }
         }
 
-        public override void ExtensionActivated(ExtensionLoadingContext ctx, bool isNewExtension, ExtensionDescriptor extension) {
+        public override void ExtensionActivated(ExtensionLoadingContext ctx, ExtensionDescriptor extension) {
             string sourceFileName = _virtualPathProvider.MapPath(GetAssemblyPath(extension));
 
             // Copy the assembly if it doesn't exist or if it is older than the source file.
@@ -73,7 +73,7 @@ namespace Orchard.Environment.Extensions.Loaders {
             }
         }
 
-        public override void ExtensionDeactivated(ExtensionLoadingContext ctx, bool isNewExtension, ExtensionDescriptor extension) {
+        public override void ExtensionDeactivated(ExtensionLoadingContext ctx, ExtensionDescriptor extension) {
             if (_assemblyProbingFolder.AssemblyExists(extension.Name)) {
                 ctx.DeleteActions.Add(() => _assemblyProbingFolder.DeleteAssembly(extension.Name));
 
diff --git a/src/Orchard/Environment/Extensions/Loaders/ProbingExtensionLoader.cs b/src/Orchard/Environment/Extensions/Loaders/ProbingExtensionLoader.cs
index 78483312c..2e82bc78a 100644
--- a/src/Orchard/Environment/Extensions/Loaders/ProbingExtensionLoader.cs
+++ b/src/Orchard/Environment/Extensions/Loaders/ProbingExtensionLoader.cs
@@ -45,7 +45,7 @@ namespace Orchard.Environment.Extensions.Loaders {
             }
         }
 
-        public override void ExtensionDeactivated(ExtensionLoadingContext ctx, bool isNewExtension, ExtensionDescriptor extension) {
+        public override void ExtensionDeactivated(ExtensionLoadingContext ctx, ExtensionDescriptor extension) {
             if (_assemblyProbingFolder.AssemblyExists(extension.Name)) {
                 ctx.DeleteActions.Add(() => _assemblyProbingFolder.DeleteAssembly(extension.Name));
 
diff --git a/src/Orchard/Environment/Extensions/Loaders/ReferencedExtensionLoader.cs b/src/Orchard/Environment/Extensions/Loaders/ReferencedExtensionLoader.cs
index a80ef22b8..7651acef3 100644
--- a/src/Orchard/Environment/Extensions/Loaders/ReferencedExtensionLoader.cs
+++ b/src/Orchard/Environment/Extensions/Loaders/ReferencedExtensionLoader.cs
@@ -28,7 +28,7 @@ namespace Orchard.Environment.Extensions.Loaders {
 
         public override int Order { get { return 20; } }
 
-        public override void ExtensionDeactivated(ExtensionLoadingContext ctx, bool isNewExtension, ExtensionDescriptor extension) {
+        public override void ExtensionDeactivated(ExtensionLoadingContext ctx, ExtensionDescriptor extension) {
             var assemblyPath = _virtualPathProvider.Combine("~/bin", extension.Name + ".dll");
             if (_virtualPathProvider.FileExists(assemblyPath)) {
                 ctx.DeleteActions.Add(() => File.Delete(_virtualPathProvider.MapPath(assemblyPath)));