diff --git a/R/relational-duckdb.R b/R/relational-duckdb.R
index f3002f81..002a01df 100644
--- a/R/relational-duckdb.R
+++ b/R/relational-duckdb.R
@@ -425,9 +425,6 @@ to_duckdb_expr <- function(x) {
       out
     },
     relational_relexpr_constant = {
-      # FIXME: Should be duckdb's responsibility
-      check_df_for_rel(tibble(constant = x$val))
-
       if ("experimental" %in% names(formals(duckdb$expr_constant))) {
         experimental <- (Sys.getenv("DUCKPLYR_EXPERIMENTAL") == "TRUE")
         out <- duckdb$expr_constant(x$val, experimental = experimental)