diff --git a/vignettes/benchmarking-bloomjoin.Rmd b/vignettes/benchmarking-bloomjoin.Rmd
index e049907..b4e8840 100644
--- a/vignettes/benchmarking-bloomjoin.Rmd
+++ b/vignettes/benchmarking-bloomjoin.Rmd
@@ -91,6 +91,7 @@ arranged_baseline <- arrange(baseline_result, id)
 # Drop the bloomjoin-specific metadata/class so we compare the raw data only
 arranged_bloom <- as.data.frame(arranged_bloom)
 arranged_baseline <- as.data.frame(arranged_baseline)
+attr(arranged_bloom, "bloom_metadata") <- NULL
 
 stopifnot(identical(arranged_bloom, arranged_baseline))
 stopifnot(