diff --git a/Makefile b/Makefile
index ed0c616..22654a1 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@ REVMARK ?= Development
 DOCKER_RUN := docker run --rm -v ${PWD}:/build -w /build \
 riscvintl/riscv-docs-base-container-image:latest
 
-HEADER_SOURCE := header.adoc
+HEADER_SOURCE := svvptc.adoc
 PDF_RESULT := riscv-svvptc.pdf
 
 ASCIIDOCTOR_PDF := asciidoctor-pdf
@@ -31,8 +31,7 @@ OPTIONS := --trace \
            -a pdf-fontsdir=docs-resources/fonts \
            -a pdf-style=docs-resources/themes/riscv-pdf.yml \
            --failure-level=ERROR
-REQUIRES := --require=asciidoctor-bibtex \
-            --require=asciidoctor-diagram \
+REQUIRES := --require=asciidoctor-diagram \
             --require=asciidoctor-mathematical
 
 .PHONY: all build clean build-container build-no-container
diff --git a/index.adoc b/index.adoc
deleted file mode 100644
index 4abaca2..0000000
--- a/index.adoc
+++ /dev/null
@@ -1,2 +0,0 @@
-[index]
-== Index
diff --git a/header.adoc b/svvptc.adoc
similarity index 97%
rename from header.adoc
rename to svvptc.adoc
index cec0250..ddef13f 100644
--- a/header.adoc
+++ b/svvptc.adoc
@@ -17,9 +17,9 @@
 // needs to be changed? bug discussion started
 //:WaveDromEditorApp: app/wavedrom-editor.app
 :imagesoutdir: images
-:bibtex-file: svvptc.bib
-:bibtex-order: occurrence
-:bibtex-style: ieee
+//:bibtex-file: svvptc.bib
+//:bibtex-order: occurrence
+//:bibtex-style: ieee
 :icons: font
 :lang: en
 :listing-caption: Listing
diff --git a/svvptc.bib b/svvptc.bib
deleted file mode 100644
index 8b13789..0000000
--- a/svvptc.bib
+++ /dev/null
@@ -1 +0,0 @@
-