diff --git a/R/utils.R b/R/utils.R
index 2e6e822..d520396 100644
--- a/R/utils.R
+++ b/R/utils.R
@@ -4,7 +4,7 @@
 #' @importFrom grDevices recordPlot
 
 DEFAULT_SEP <- ">@<"
-DEFAULT_SPEC_PAT <- "/|:|\\?|\\*|\\+|\\||\\(|\\)|\\/|\\[|\\]"
+DEFAULT_SPEC_PAT <- "/|:|\\?|\\*|\\+|\\(|\\)|\\/|\\[|\\]"
 DEFAULT_V5_COL_START <- 14
 DEFAULT_CLASS_COL <- 13
 DEFAULT_COL_START <- 12