diff --git a/man/boot.student2.Rd b/man/boot.student2.Rd
index 50554e1..2a5279b 100644
--- a/man/boot.student2.Rd
+++ b/man/boot.student2.Rd
@@ -64,8 +64,7 @@ R implementation and documentation: Michail Tsagris \email{mtsagris@uoc.gr}.
 \examples{
 x <- rexp(40, 4)
 y <- rbeta(50, 2.5, 7.5)
-system.time(t.test(x, y, var.equal = TRUE) )
-system.time( a <- boot.student2(x, y, 9999) )
-a
+t.test(x, y, var.equal = TRUE)
+boot.student2(x, y, 9999)
 }
 
diff --git a/man/stud.ttests.Rd b/man/stud.ttests.Rd
index 16413be..d69db81 100644
--- a/man/stud.ttests.Rd
+++ b/man/stud.ttests.Rd
@@ -67,10 +67,10 @@ R implementation and documentation: Michail Tsagris \email{mtsagris@uoc.gr}.
 x = matrix( rnorm(100 * 20), ncol = 20)
 ## 100 observations in total
 ina = rbinom(100, 1, 0.6) + 1   ## independent samples t-test
-system.time( stud.ttests(x, ina = ina) )
+stud.ttests(x, ina = ina)
 x1 = x[ina == 1, ]
 x2 = x[ina == 2, ]
-system.time( stud.ttests(x1, x2) )
+stud.ttests(x1, x2)
 x <- NULL
 }