diff --git a/src/Spring/Spring.Aop/Aop/Framework/Adapter/ThrowsAdviceInterceptor.cs b/src/Spring/Spring.Aop/Aop/Framework/Adapter/ThrowsAdviceInterceptor.cs
index b03627d1..42cd1ac4 100644
--- a/src/Spring/Spring.Aop/Aop/Framework/Adapter/ThrowsAdviceInterceptor.cs
+++ b/src/Spring/Spring.Aop/Aop/Framework/Adapter/ThrowsAdviceInterceptor.cs
@@ -232,7 +232,7 @@ namespace Spring.Aop.Framework.Adapter
             catch (Exception ex)
             {
                 LookupAndInvokeAnyHandler(ex, invocation);
-                throw ex;
+                throw;
             }
         }
 
@@ -310,8 +310,8 @@ namespace Spring.Aop.Framework.Adapter
                 handlerMethod.Invoke(this.throwsAdvice, handlerArgs);
             }
             catch (TargetInvocationException ex)
-            {
-                throw ex.InnerException;
+            {
+                throw ReflectionUtils.UnwrapTargetInvocationException(ex);
             }
         }
     }
diff --git a/src/Spring/Spring.Core/Objects/Support/PropertyComparator.cs b/src/Spring/Spring.Core/Objects/Support/PropertyComparator.cs
index 880f8b12..cc15bf93 100644
--- a/src/Spring/Spring.Core/Objects/Support/PropertyComparator.cs
+++ b/src/Spring/Spring.Core/Objects/Support/PropertyComparator.cs
@@ -158,10 +158,10 @@ namespace Spring.Objects.Support
                 {
                     propertyValue = ow.GetPropertyValue(this.sortDefinition.Property);
                 }
-                catch (InvalidPropertyException ex)
+                catch (InvalidPropertyException)
                 {
                     // the property doesn't exist in the first place, so let exception through...
-                    throw ex;
+                    throw;
                 }
                 catch (ObjectsException ex)
                 {
diff --git a/src/Spring/Spring.Core/Threading/Semaphore.cs b/src/Spring/Spring.Core/Threading/Semaphore.cs
index 28a9b381..a178e6b1 100644
--- a/src/Spring/Spring.Core/Threading/Semaphore.cs
+++ b/src/Spring/Spring.Core/Threading/Semaphore.cs
@@ -87,10 +87,10 @@ namespace Spring.Threading
 						Monitor.Wait(this);
 					--nPermits;
 				}
-				catch (ThreadInterruptedException ex)
+				catch (ThreadInterruptedException)
 				{
 					Monitor.Pulse(this);
-					throw ex;
+					throw;
 				}
 			}
 		}
@@ -134,10 +134,10 @@ namespace Spring.Threading
                             }
                         }
                     }
-                    catch (ThreadInterruptedException ex)
+                    catch (ThreadInterruptedException)
                     {
                         Monitor.Pulse(this);
-                        throw ex;
+                        throw;
                     }
                 }
             }
diff --git a/src/Spring/Spring.Core/Util/EventUtils.cs b/src/Spring/Spring.Core/Util/EventUtils.cs
index 538d842f..cfc6e488 100644
--- a/src/Spring/Spring.Core/Util/EventUtils.cs
+++ b/src/Spring/Spring.Core/Util/EventUtils.cs
@@ -67,8 +67,8 @@ namespace Spring.Util
             } 
             catch (TargetInvocationException ex) 
             {
-                // unwrap the exception that actually caused the TargetInvocationException and throw that...
-                throw ex.GetBaseException();
+                // unwrap the exception that actually caused the TargetInvocationException and throw that...
+                throw ReflectionUtils.UnwrapTargetInvocationException(ex);
             }
         }
     }