To provide some mild support for round-tripping variables between SPSS and R, haven stores display widths in an attribute: display_width. If this causes problems for your code, you can get rid of them with zap_widths.
display_width
zap_widths
zap_widths(x)
A vector or data frame.
Other zappers: zap_empty, zap_formats, zap_labels, zap_label
zap_empty
zap_formats
zap_labels
zap_label