diff --git a/src/Spring/Spring.Core/Proxy/AbstractProxyTypeBuilder.cs b/src/Spring/Spring.Core/Proxy/AbstractProxyTypeBuilder.cs
index 34d81a81..13a01aec 100644
--- a/src/Spring/Spring.Core/Proxy/AbstractProxyTypeBuilder.cs
+++ b/src/Spring/Spring.Core/Proxy/AbstractProxyTypeBuilder.cs
@@ -362,7 +362,8 @@ namespace Spring.Proxy
         {
             ArrayList attributes = new ArrayList();
 
-            if (this.ProxyTargetAttributes)
+            if (this.ProxyTargetAttributes && 
+                !type.Equals(typeof(object)))
             {
                 // add attributes that apply to the target type
                 attributes.AddRange(ReflectionUtils.GetCustomAttributes(type));
@@ -388,7 +389,8 @@ namespace Spring.Proxy
         {
             ArrayList attributes = new ArrayList();
 
-            if (this.ProxyTargetAttributes)
+            if (this.ProxyTargetAttributes && 
+                !method.DeclaringType.IsInterface)
             {
                 // add attributes that apply to the target method
                 attributes.AddRange(ReflectionUtils.GetCustomAttributes(method));
@@ -427,7 +429,8 @@ namespace Spring.Proxy
         {
             ArrayList attributes = new ArrayList();
 
-            if (this.ProxyTargetAttributes)
+            if (this.ProxyTargetAttributes &&
+                !method.DeclaringType.IsInterface)
             {
                 // add attributes that apply to the target method' return type
                 object[] attrs = method.ReturnTypeCustomAttributes.GetCustomAttributes(false);
@@ -476,7 +479,8 @@ namespace Spring.Proxy
         {
             ArrayList attributes = new ArrayList();
 
-            if (this.ProxyTargetAttributes)
+            if (this.ProxyTargetAttributes &&
+                !method.DeclaringType.IsInterface)
             {
                 // add attributes that apply to the target method's parameter
 #if NET_2_0
diff --git a/test/Spring/Spring.Core.Tests/Proxy/AbstractProxyTypeBuilderTests.cs b/test/Spring/Spring.Core.Tests/Proxy/AbstractProxyTypeBuilderTests.cs
index b6bd2be1..aaac9280 100644
--- a/test/Spring/Spring.Core.Tests/Proxy/AbstractProxyTypeBuilderTests.cs
+++ b/test/Spring/Spring.Core.Tests/Proxy/AbstractProxyTypeBuilderTests.cs
@@ -707,8 +707,10 @@ namespace Spring.Proxy
     {
     }
 
+    [Marker]
     public interface IAnotherMarkerInterface
     {
+        [Marker]
         void MarkerMethod();
     }
 
diff --git a/test/Spring/Spring.Core.Tests/Proxy/CompositionProxyTypeBuilderTests.cs b/test/Spring/Spring.Core.Tests/Proxy/CompositionProxyTypeBuilderTests.cs
index 4cecd54b..92751b34 100644
--- a/test/Spring/Spring.Core.Tests/Proxy/CompositionProxyTypeBuilderTests.cs
+++ b/test/Spring/Spring.Core.Tests/Proxy/CompositionProxyTypeBuilderTests.cs
@@ -21,6 +21,8 @@
 #region Imports
 
 using System;
+using System.Reflection;
+
 using NUnit.Framework;
 
 #endregion
@@ -31,6 +33,7 @@ namespace Spring.Proxy
 	/// Unit tests for the CompositionProxyTypeBuilder class.
 	/// </summary>
 	/// <author>Rick Evans</author>
+    /// <author>Bruno Baia</author>
 	[TestFixture]
 	public class CompositionProxyTypeBuilderTests : AbstractProxyTypeBuilderTests
 	{
@@ -128,9 +131,30 @@ namespace Spring.Proxy
             ((IFrameworkInterface)foo).FrameworkMethod();
         }
 
+
+        [Test] // SPRNET-1424
+        public void DoesNotProxyInterfaceMethodAttributes()
+        {
+            IProxyTypeBuilder builder = GetProxyBuilder();
+            builder.TargetType = typeof(object);
+            builder.Interfaces = new Type[] { typeof(IAnotherMarkerInterface) };
+
+            Type proxy = builder.BuildProxyType();
+            Assert.IsNotNull(proxy, "The proxy generated by a (valid) call to BuildProxy() was null.");
+            MethodInfo method = proxy.GetMethod("Spring.Proxy.IAnotherMarkerInterface.MarkerMethod", BindingFlags.NonPublic | BindingFlags.Instance);
+            if (method == null)
+            {
+                method = proxy.GetMethod("MarkerMethod");
+            }
+            Assert.IsNotNull(method);
+            object[] attrs = method.GetCustomAttributes(false);
+            Assert.IsNotNull(attrs, "Should have 0 attribute applied to the target method.");
+            Assert.AreEqual(0, attrs.Length, "Should have 0 attribute applied to the target method.");
+        }
+
 		protected override IProxyTypeBuilder GetProxyBuilder()
 		{
 			return new CompositionProxyTypeBuilder();
-		}
-	}
+        }
+    }
 }
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