diff --git a/.Rbuildignore b/.Rbuildignore
index aee6888682b99af2788015942fbc09e0e5972b3d..08237d1b4db174edc40eb003616f73dec3ba71f4 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -2,6 +2,7 @@
 .*\.gitignore$
 .*\.tar.gz$
 .*\.pdf$
-./.nc$
+.*^(?!inst/).*\.nc$
 README.Rmd$
 \..*\.RData$
+vignettes
diff --git a/DESCRIPTION b/DESCRIPTION
index 48710fa494bf254d1e57210128322fa0c590256a..f77ce597e30b6bd72d90a0934d1b2e88a221a59f 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -44,10 +44,7 @@ Imports:
     plyr,
     SpecsVerification (>= 0.5.0)
 Suggests:
-    easyVerification,
-    knitr,
-    rmarkdown
-VignetteBuilder: knitr 
+    easyVerification
 License: LGPL-3
 URL: https://earth.bsc.es/gitlab/es/s2dverification/wikis/home
 BugReports: https://earth.bsc.es/gitlab/es/s2dverification/issues
diff --git a/vignettes/data_retrieval.md b/vignettes/data_retrieval.md
index 0fc874e1af3f186c7ba7f0a3ff305fe5fdffc160..4f3bd03c614f936aa02de93b2a4dcb59eaf66257 100644
--- a/vignettes/data_retrieval.md
+++ b/vignettes/data_retrieval.md
@@ -1,12 +1,14 @@
 ---
+title: "Data Retrieval"
 author: "Nicolau Manubens"
 date: "`r Sys.Date()`"
-output: rmarkdown::html_vignette
+output: pdf_document
 vignette: >
-  %\VignetteEngine{knitr::knitr}
-  %\VignetteIndexEntry{data_retrieval}
-  \usepackage[utf8]{inputenc}
+  %\VignetteEngine{R.rsp::md}
+  %\VignetteIndexEntry{Data Retrieval}
+  %\usepackage[utf8]{inputenc}
 ---
+
 Data retrieval
 ==============
 One of the strong points of s2dverification is its data retrieval module.  
diff --git a/vignettes/example.md b/vignettes/example.md
index 60d1757e8a5d2001f6115785f008686ca6837dbd..90fbe53a9bb637058cc19b88393772c768a0d586 100644
--- a/vignettes/example.md
+++ b/vignettes/example.md
@@ -1,11 +1,11 @@
 ---
 author: "Nicolau Manubens"
 date: "`r Sys.Date()`"
-output: rmarkdown::html_vignette
+output: html_document
 vignette: >
-  %\VignetteEngine{knitr::knitr}
-  %\VignetteIndexEntry{example}
-  \usepackage[utf8]{inputenc}
+  %\VignetteEngine{R.rsp::md}
+  %\VignetteIndexEntry{Example}
+  %\usepackage[utf8]{inputenc}
 ---
 Example
 =======
diff --git a/vignettes/snippets.md b/vignettes/snippets.md
index 3e44c4f5dfd8704db51ecc6cdf9cf4b894d56e4e..239ec6b4b61c09e91e4cd221cfea64be2ad89722 100644
--- a/vignettes/snippets.md
+++ b/vignettes/snippets.md
@@ -1,11 +1,11 @@
 ---
 author: "Nicolau Manubens"
 date: "`r Sys.Date()`"
-output: rmarkdown::html_vignette
+output: html_document
 vignette: >
-  %\VignetteEngine{knitr::knitr}
-  %\VignetteIndexEntry{snippets}
-  \usepackage[utf8]{inputenc}
+  %\VignetteEngine{R.rsp::md}
+  %\VignetteIndexEntry{Snippets}
+  %\usepackage[utf8]{inputenc}
 ---
 Snippets
 ========
diff --git a/vignettes/statistics.md b/vignettes/statistics.md
index 953cddb4f02e1d09922309a35ea3184ebb2825fb..861d4d364b9d82485fb0cf645ae2a6dd11d7f0a9 100644
--- a/vignettes/statistics.md
+++ b/vignettes/statistics.md
@@ -1,11 +1,11 @@
 ---
 author: "Nicolau Manubens"
 date: "`r Sys.Date()`"
-output: rmarkdown::html_vignette
+output: html_document
 vignette: >
-  %\VignetteEngine{knitr::knitr}
-  %\VignetteIndexEntry{statistics}
-  \usepackage[utf8]{inputenc}
+  %\VignetteEngine{R.rsp::md}
+  %\VignetteIndexEntry{Statistics}
+  %\usepackage[utf8]{inputenc}
 ---
 Statistics
 ==========
diff --git a/vignettes/tutorial.md b/vignettes/tutorial.md
index d3dd781a5a3d58ed62ce59f2e3ea38dfe9c860db..3a7201307b73936031b40b047caf428814ff9a0f 100644
--- a/vignettes/tutorial.md
+++ b/vignettes/tutorial.md
@@ -1,11 +1,11 @@
 ---
 author: "Nicolau Manubens"
 date: "`r Sys.Date()`"
-output: rmarkdown::html_vignette
+output: html_document
 vignette: >
-  %\VignetteEngine{knitr::knitr}
-  %\VignetteIndexEntry{tutorial}
-  \usepackage[utf8]{inputenc}
+  %\VignetteEngine{R.rsp::md}
+  %\VignetteIndexEntry{Tutorial}
+  %\usepackage[utf8]{inputenc}
 ---
 Tutorial
 ========
@@ -40,7 +40,7 @@ library(s2dverification)
 
 - The documentation of s2dverification is available online here:
 
-https://cran.r-project.org/web/packages/s2dverification/s2dverification.pdf
+https://CRAN.R-project.org/package=s2dverification/s2dverification.pdf
 
 - You can see the list of available functions in the package by typing:
 ```r
diff --git a/vignettes/visualisation.md b/vignettes/visualisation.md
index 537b3978d8600f2138159cc3f9e75a0b3ef3ee23..a296228f4008709d21cd6e99614563d5218442f2 100644
--- a/vignettes/visualisation.md
+++ b/vignettes/visualisation.md
@@ -1,11 +1,11 @@
 ---
 author: "Nicolau Manubens"
 date: "`r Sys.Date()`"
-output: rmarkdown::html_vignette
+output: html_document
 vignette: >
-  %\VignetteEngine{knitr::knitr}
-  %\VignetteIndexEntry{visualisation}
-  \usepackage[utf8]{inputenc}
+  %\VignetteEngine{R.rsp::md}
+  %\VignetteIndexEntry{Visualisation}
+  %\usepackage[utf8]{inputenc}
 ---
 Visualisation
 =============