diff --git a/dlls/strmbase/mediatype.c b/dlls/strmbase/mediatype.c
index 393264c094c..bb59a815847 100644
--- a/dlls/strmbase/mediatype.c
+++ b/dlls/strmbase/mediatype.c
@@ -83,8 +83,6 @@ typedef struct IEnumMediaTypesImpl
     LONG refCount;
     BasePin *basePin;
     BasePin_GetMediaType enumMediaFunction;
-    BasePin_GetMediaTypeVersion mediaVersionFunction;
-    LONG currentVersion;
     ULONG count;
     ULONG uIndex;
 } IEnumMediaTypesImpl;
@@ -96,7 +94,7 @@ static inline IEnumMediaTypesImpl *impl_from_IEnumMediaTypes(IEnumMediaTypes *if
 
 static const struct IEnumMediaTypesVtbl IEnumMediaTypesImpl_Vtbl;
 
-HRESULT WINAPI EnumMediaTypes_Construct(BasePin *basePin, BasePin_GetMediaType enumFunc, BasePin_GetMediaTypeVersion versionFunc, IEnumMediaTypes ** ppEnum)
+HRESULT WINAPI EnumMediaTypes_Construct(BasePin *basePin, BasePin_GetMediaType enumFunc, IEnumMediaTypes **ppEnum)
 {
     ULONG i;
     IEnumMediaTypesImpl * pEnumMediaTypes = CoTaskMemAlloc(sizeof(IEnumMediaTypesImpl));
@@ -111,7 +109,6 @@ HRESULT WINAPI EnumMediaTypes_Construct(BasePin *basePin, BasePin_GetMediaType e
     pEnumMediaTypes->refCount = 1;
     pEnumMediaTypes->uIndex = 0;
     pEnumMediaTypes->enumMediaFunction = enumFunc;
-    pEnumMediaTypes->mediaVersionFunction = versionFunc;
     IPin_AddRef(&basePin->IPin_iface);
     pEnumMediaTypes->basePin = basePin;
 
@@ -124,7 +121,6 @@ HRESULT WINAPI EnumMediaTypes_Construct(BasePin *basePin, BasePin_GetMediaType e
 
     pEnumMediaTypes->count = i;
     *ppEnum = &pEnumMediaTypes->IEnumMediaTypes_iface;
-    pEnumMediaTypes->currentVersion = versionFunc(basePin);
     return S_OK;
 }
 
@@ -180,9 +176,6 @@ static HRESULT WINAPI IEnumMediaTypesImpl_Next(IEnumMediaTypes *iface,
 
     TRACE("iface %p, count %u, mts %p, ret_count %p.\n", iface, count, mts, ret_count);
 
-    if (enummt->currentVersion != enummt->mediaVersionFunction(enummt->basePin))
-        return VFW_E_ENUM_OUT_OF_SYNC;
-
     for (i = 0; i < count && enummt->uIndex + i < enummt->count; i++)
     {
         if (!(mts[i] = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE)))
@@ -209,9 +202,6 @@ static HRESULT WINAPI IEnumMediaTypesImpl_Skip(IEnumMediaTypes *iface, ULONG cou
 
     TRACE("iface %p, count %u.\n", iface, count);
 
-    if (enummt->currentVersion != enummt->mediaVersionFunction(enummt->basePin))
-        return VFW_E_ENUM_OUT_OF_SYNC;
-
     enummt->uIndex += count;
 
     return enummt->uIndex > enummt->count ? S_FALSE : S_OK;
@@ -232,7 +222,6 @@ static HRESULT WINAPI IEnumMediaTypesImpl_Reset(IEnumMediaTypes * iface)
         i++;
     }
     This->count = i;
-    This->currentVersion = This->mediaVersionFunction(This->basePin);
     This->uIndex = 0;
 
     return S_OK;
@@ -245,7 +234,7 @@ static HRESULT WINAPI IEnumMediaTypesImpl_Clone(IEnumMediaTypes * iface, IEnumMe
 
     TRACE("(%p)->(%p)\n", iface, ppEnum);
 
-    hr = EnumMediaTypes_Construct(This->basePin, This->enumMediaFunction, This->mediaVersionFunction, ppEnum);
+    hr = EnumMediaTypes_Construct(This->basePin, This->enumMediaFunction, ppEnum);
     if (FAILED(hr))
         return hr;
     return IEnumMediaTypes_Skip(*ppEnum, This->uIndex);
diff --git a/dlls/strmbase/pin.c b/dlls/strmbase/pin.c
index 2fb9cf012f2..7991fdc5477 100644
--- a/dlls/strmbase/pin.c
+++ b/dlls/strmbase/pin.c
@@ -160,11 +160,6 @@ HRESULT WINAPI BasePinImpl_GetMediaType(BasePin *iface, int iPosition, AM_MEDIA_
     return VFW_S_NO_MORE_ITEMS;
 }
 
-LONG WINAPI BasePinImpl_GetMediaTypeVersion(BasePin *iface)
-{
-    return 1;
-}
-
 ULONG WINAPI BasePinImpl_AddRef(IPin *iface)
 {
     BasePin *pin = impl_from_IPin(iface);
@@ -306,8 +301,7 @@ HRESULT WINAPI BasePinImpl_EnumMediaTypes(IPin *iface, IEnumMediaTypes **enum_me
 
     TRACE("iface %p, enum_media_types %p.\n", iface, enum_media_types);
 
-    return EnumMediaTypes_Construct(pin, pin->pFuncsTable->pfnGetMediaType,
-            BasePinImpl_GetMediaTypeVersion, enum_media_types);
+    return EnumMediaTypes_Construct(pin, pin->pFuncsTable->pfnGetMediaType, enum_media_types);
 }
 
 HRESULT WINAPI BasePinImpl_QueryInternalConnections(IPin * iface, IPin ** apPin, ULONG * cPin)
diff --git a/dlls/strmbase/strmbase_private.h b/dlls/strmbase/strmbase_private.h
index 4b94735eb66..b5e6d4bd188 100644
--- a/dlls/strmbase/strmbase_private.h
+++ b/dlls/strmbase/strmbase_private.h
@@ -64,7 +64,7 @@ void QualityControlRender_EndRender(QualityControlImpl *This);
 
 HRESULT enum_pins_create(struct strmbase_filter *filter, IEnumPins **enum_pins);
 HRESULT WINAPI EnumMediaTypes_Construct(BasePin *pin, BasePin_GetMediaType enumFunc,
-        BasePin_GetMediaTypeVersion versionFunc, IEnumMediaTypes **enum_media_types) DECLSPEC_HIDDEN;
+        IEnumMediaTypes **enum_media_types) DECLSPEC_HIDDEN;
 
 HRESULT WINAPI RendererPosPassThru_RegisterMediaTime(IUnknown *iface, REFERENCE_TIME start);
 HRESULT WINAPI RendererPosPassThru_ResetMediaTime(IUnknown *iface);