diff --git a/R/pkg/inst/tests/testthat/test_sparkSQL.R b/R/pkg/inst/tests/testthat/test_sparkSQL.R
index 0447d2470d46..d9dd0f3e14de 100644
--- a/R/pkg/inst/tests/testthat/test_sparkSQL.R
+++ b/R/pkg/inst/tests/testthat/test_sparkSQL.R
@@ -1229,7 +1229,6 @@ test_that("column functions", {
   c17 <- cov(c, c1) + cov("c", "c1") + covar_samp(c, c1) + covar_samp("c", "c1")
   c18 <- covar_pop(c, c1) + covar_pop("c", "c1")
   c19 <- spark_partition_id() + coalesce(c) + coalesce(c1, c2, c3)
-  c20 <- to_timestamp(c) + to_timestamp(c, "yyyy") + to_date(c, "yyyy")
 
   # Test if base::is.nan() is exposed
   expect_equal(is.nan(c("a", "b")), c(FALSE, FALSE))