diff --git a/DESCRIPTION b/DESCRIPTION
index c6a2baf..e33a0ba 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: MungeSumstats
 Type: Package
 Title: Standardise summary statistics from GWAS
-Version: 1.13.4
+Version: 1.13.5
 Authors@R:
     c(person(given = "Alan",
            family = "Murphy",
diff --git a/R/check_allele_flip.R b/R/check_allele_flip.R
index 0914423..86cf1da 100644
--- a/R/check_allele_flip.R
+++ b/R/check_allele_flip.R
@@ -96,7 +96,6 @@ check_allele_flip <- function(sumstats_dt, path,
         sumstats_dt[is.na(ref_gen_allele), match_type := TRUE]
         sumstats_dt[A1 == ref_gen_allele, match_type := TRUE]
         sumstats_dt[A2 == ref_gen_allele, match_type := FALSE]
-        print(sumstats_dt)
         # drop cases that don't match either
         if (allele_flip_drop &&
             nrow(sumstats_dt[A1 != ref_gen_allele &