diff --git a/cap03.Rmd b/cap03.Rmd
index 2fdbfa22979e77a2189c160cc874705b99e55dae..c99a0dc926a24aece76f7ab7faf175a0904e8ceb 100644
--- a/cap03.Rmd
+++ b/cap03.Rmd
@@ -4,14 +4,7 @@ author: "Fernando Mayer & Walmes Zeviani"
 ---
 
 ```{r setup, include=FALSE}
-library(knitr)
-
-opts_chunk$set(
-    dev.args=list(family = "Palatino"))
-
-options(width = 68)
-
-## Carrega as definições de sessão.
+source("setup_knitr.R")
 source("config.R")
 rty <- "md"
 ```