Converting (None, 7, 7, 512) np array to (None, 7, 512)?

Hi, I have some images which go through the VGG16 base ConvNet architecture and their final output shape is (None, 7, 7, 512). I think this is making my model have too many parameters, so I want to use some sort of average pooling layer in Keras to convert this to a (None, 7, 512) shape tensor. I'm currently using a GlobalAverage2D pooling layer, but this is making my tensor shape (None, 512), which is throwing away too much information …

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