diff --git a/src/vm/mlinfo.cpp b/src/vm/mlinfo.cpp
index 493524398d19..5151be22caf5 100644
--- a/src/vm/mlinfo.cpp
+++ b/src/vm/mlinfo.cpp
@@ -1815,6 +1815,7 @@ MarshalInfo::MarshalInfo(Module* pModule,
             break;
 
         case ELEMENT_TYPE_I1:
+        case ELEMENT_TYPE_U1:
             if (!(nativeType == NATIVE_TYPE_I1 || nativeType == NATIVE_TYPE_U1 || nativeType == NATIVE_TYPE_DEFAULT))
             {
                 m_resID = IDS_EE_BADMARSHAL_I1;
@@ -1823,16 +1824,8 @@ MarshalInfo::MarshalInfo(Module* pModule,
             m_type = MARSHAL_TYPE_GENERIC_1;
             break;
 
-        case ELEMENT_TYPE_U1:
-            if (!(nativeType == NATIVE_TYPE_U1 || nativeType == NATIVE_TYPE_I1 || nativeType == NATIVE_TYPE_DEFAULT))
-            {
-                m_resID = IDS_EE_BADMARSHAL_I1;
-                IfFailGoto(E_FAIL, lFail);
-            }
-            m_type = MARSHAL_TYPE_GENERIC_U1;
-            break;
-
         case ELEMENT_TYPE_I2:
+        case ELEMENT_TYPE_U2:
             if (!(nativeType == NATIVE_TYPE_I2 || nativeType == NATIVE_TYPE_U2 || nativeType == NATIVE_TYPE_DEFAULT))
             {
                 m_resID = IDS_EE_BADMARSHAL_I2;
@@ -1841,16 +1834,8 @@ MarshalInfo::MarshalInfo(Module* pModule,
             m_type = MARSHAL_TYPE_GENERIC_2;
             break;
 
-        case ELEMENT_TYPE_U2:
-            if (!(nativeType == NATIVE_TYPE_U2 || nativeType == NATIVE_TYPE_I2 || nativeType == NATIVE_TYPE_DEFAULT))
-            {
-                m_resID = IDS_EE_BADMARSHAL_I2;
-                IfFailGoto(E_FAIL, lFail);
-            }
-            m_type = MARSHAL_TYPE_GENERIC_U2;
-            break;
-
         case ELEMENT_TYPE_I4:
+        case ELEMENT_TYPE_U4:
             switch (nativeType)
             {
                 case NATIVE_TYPE_I4:
@@ -1871,38 +1856,9 @@ MarshalInfo::MarshalInfo(Module* pModule,
             m_type = MARSHAL_TYPE_GENERIC_4;
             break;
 
-        case ELEMENT_TYPE_U4:
-            switch (nativeType)
-            {
-                case NATIVE_TYPE_I4:
-                case NATIVE_TYPE_U4:
-                case NATIVE_TYPE_DEFAULT:
-                    break;
-
-#ifdef FEATURE_COMINTEROP
-                case NATIVE_TYPE_ERROR:
-                    m_fErrorNativeType = TRUE;
-                    break;
-#endif // FEATURE_COMINTEROP
-
-                default:
-                m_resID = IDS_EE_BADMARSHAL_I4;
-                IfFailGoto(E_FAIL, lFail);
-            }
-            m_type = MARSHAL_TYPE_GENERIC_4;
-            break;
-
         case ELEMENT_TYPE_I8:
-            if (!(nativeType == NATIVE_TYPE_I8 || nativeType == NATIVE_TYPE_U8 || nativeType == NATIVE_TYPE_DEFAULT))
-            {
-                m_resID = IDS_EE_BADMARSHAL_I8;
-                IfFailGoto(E_FAIL, lFail);
-            }
-            m_type = MARSHAL_TYPE_GENERIC_8;
-            break;
-
         case ELEMENT_TYPE_U8:
-            if (!(nativeType == NATIVE_TYPE_U8 || nativeType == NATIVE_TYPE_I8 || nativeType == NATIVE_TYPE_DEFAULT))
+            if (!(nativeType == NATIVE_TYPE_I8 || nativeType == NATIVE_TYPE_U8 || nativeType == NATIVE_TYPE_DEFAULT))
             {
                 m_resID = IDS_EE_BADMARSHAL_I8;
                 IfFailGoto(E_FAIL, lFail);
@@ -1911,6 +1867,7 @@ MarshalInfo::MarshalInfo(Module* pModule,
             break;
 
         case ELEMENT_TYPE_I:
+        case ELEMENT_TYPE_U:
             // Technically the "native int" and "native uint" types aren't supported in the WinRT scenario,
             // but we need to not block ourselves from using them to enable accurate managed->native marshalling of
             // projected types such as NotifyCollectionChangedEventArgs and NotifyPropertyChangedEventArgs.
@@ -1923,17 +1880,6 @@ MarshalInfo::MarshalInfo(Module* pModule,
             m_type = (sizeof(LPVOID) == 4 ? MARSHAL_TYPE_GENERIC_4 : MARSHAL_TYPE_GENERIC_8);
             break;
 
-        case ELEMENT_TYPE_U:
-
-            if (!(nativeType == NATIVE_TYPE_UINT || nativeType == NATIVE_TYPE_INT || nativeType == NATIVE_TYPE_DEFAULT))
-            {
-                m_resID = IDS_EE_BADMARSHAL_I;
-                IfFailGoto(E_FAIL, lFail);
-            }
-            m_type = (sizeof(LPVOID) == 4 ? MARSHAL_TYPE_GENERIC_4 : MARSHAL_TYPE_GENERIC_8);
-            break;
-
-
         case ELEMENT_TYPE_R4:
             if (!(nativeType == NATIVE_TYPE_R4 || nativeType == NATIVE_TYPE_DEFAULT))
             {