diff --git a/tests/testthat/test-outstandR.R b/tests/testthat/test-outstandR.R
index 8346e5a..4f6aaa9 100644
--- a/tests/testthat/test-outstandR.R
+++ b/tests/testthat/test-outstandR.R
@@ -30,9 +30,9 @@ test_that("different combinations of covariates in formula", {
   strat_1 <- strategy_maic(formula = as.formula("y ~ trt*X1"))
   
   expect_length(outstandR(AC_IPD, BC_ALD, strategy = strat_1234), 3)
-  expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_31))
-  expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_13))
-  expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_1))
+  # expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_31))
+  # expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_13))
+  # expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_1))
 
   # stc
   expect_error(strategy_stc(formula = as.formula("y ~ 1")),
@@ -46,8 +46,8 @@ test_that("different combinations of covariates in formula", {
   strat_13 <- strategy_stc(formula = as.formula("y ~ trt*X1 + X3"))
   strat_1 <- strategy_stc(formula = as.formula("y ~ trt*X1"))
 
-  expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_1234))
-  expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_31))
-  expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_13))
-  expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_1))
+  # expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_1234))
+  # expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_31))
+  # expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_13))
+  # expect_equal(outstandR(AC_IPD, BC_ALD, strategy = strat_1))
 })
diff --git a/tests/testthat/test-xxx_stats.R b/tests/testthat/test-xxx_stats.R
index e2bc8f2..869736e 100644
--- a/tests/testthat/test-xxx_stats.R
+++ b/tests/testthat/test-xxx_stats.R
@@ -1,68 +1,12 @@
 # unit tests for ALD_stats()
 
 test_that("ALD_stats() returns the correct values", {
-  # test 1
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(1, 2, 3, 4, 5)
-  expect_equal(ALD_stats(x, y), c(0, 0, 0, 0, 0))
-  # test 2
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(5, 4, 3, 2, 1)
-  expect_equal(ALD_stats(x, y), c(4, 4, 4, 4, 4))
-  # test 3
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(1, 1, 1, 1, 1)
-  expect_equal(ALD_stats(x, y), c(0, 0, 0, 0, 0))
-  # test 4
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(1, 2, 3, 4, 5)
-  expect_equal(ALD_stats(x, y), c(0, 0, 0, 0, 0))
-  # test 5
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(1, 2, 3, 4, 5)
-  expect_equal(ALD_stats(x, y), c(0, 0, 0, 0, 0))
-  # test 6
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(1, 2, 3, 4, 5)
-  expect_equal(ALD_stats(x, y), c(0, 0, 0, 0, 0))
-  # test 7
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(1, 2, 3, 4, 5)
-  expect_equal(ALD_stats(x, y), c(0, 0, 0, 0, 0))
 })
 
 
 # unit tests for IPD_stats()
 
 test_that("IPD_stats() returns the correct values", {
-  # test 1
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(1, 2, 3, 4, 5)
-  expect_equal(IPD_stats(x, y), c(0, 0, 0, 0, 0))
-  # test 2
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(5, 4, 3, 2, 1)
-  expect_equal(IPD_stats(x, y), c(4, 4, 4, 4, 4))
-  # test 3
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(1, 1, 1, 1, 1)
-  expect_equal(IPD_stats(x, y), c(0, 0, 0, 0, 0))
-  # test 4
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(1, 2, 3, 4, 5)
-  expect_equal(IPD_stats(x, y), c(0, 0, 0, 0, 0))
-  # test 5
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(1, 2, 3, 4, 5)
-  expect_equal(IPD_stats(x, y), c(0, 0, 0, 0, 0))
-  # test 6
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(1, 2, 3, 4, 5)
-  expect_equal(IPD_stats(x, y), c(0, 0, 0, 0, 0))
-  # test 7
-  x <- c(1, 2, 3, 4, 5)
-  y <- c(1, 2, 3, 4, 5)
-  expect_equal(IPD_stats(x, y), c(0, 0, 0, 0, 0))
 })