diff --git a/src/main/java/stirling/software/SPDF/config/EndpointConfiguration.java b/src/main/java/stirling/software/SPDF/config/EndpointConfiguration.java
index 16121170d..a1b1ab7aa 100644
--- a/src/main/java/stirling/software/SPDF/config/EndpointConfiguration.java
+++ b/src/main/java/stirling/software/SPDF/config/EndpointConfiguration.java
@@ -11,7 +11,6 @@ import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import lombok.extern.slf4j.Slf4j;
-
import stirling.software.SPDF.model.ApplicationProperties;
@Service
@@ -164,14 +163,8 @@ public class EndpointConfiguration {
addEndpointToGroup("CLI", "ocr-pdf");
addEndpointToGroup("CLI", "html-to-pdf");
addEndpointToGroup("CLI", "url-to-pdf");
- addEndpointToGroup("CLI", "book-to-pdf");
- addEndpointToGroup("CLI", "pdf-to-book");
addEndpointToGroup("CLI", "pdf-to-rtf");
- // Calibre
- addEndpointToGroup("Calibre", "book-to-pdf");
- addEndpointToGroup("Calibre", "pdf-to-book");
-
// python
addEndpointToGroup("Python", "extract-image-scans");
addEndpointToGroup("Python", "html-to-pdf");
diff --git a/src/main/resources/messages_en_GB.properties b/src/main/resources/messages_en_GB.properties
index bd5345635..8e409884b 100644
--- a/src/main/resources/messages_en_GB.properties
+++ b/src/main/resources/messages_en_GB.properties
@@ -516,14 +516,6 @@ home.AddStampRequest.desc=Add text or add image stamps at set locations
AddStampRequest.tags=Stamp, Add image, center image, Watermark, PDF, Embed, Customize,Customise
-home.PDFToBook.title=PDF to Book
-home.PDFToBook.desc=Converts PDF to Book/Comic formats using calibre
-PDFToBook.tags=Book,Comic,Calibre,Convert,manga,amazon,kindle,epub,mobi,azw3,docx,rtf,txt,html,lit,fb2,pdb,lrf
-
-home.BookToPDF.title=Book to PDF
-home.BookToPDF.desc=Converts Books/Comics formats to PDF using calibre
-BookToPDF.tags=Book,Comic,Calibre,Convert,manga,amazon,kindle,epub,mobi,azw3,docx,rtf,txt,html,lit,fb2,pdb,lrf
-
home.removeImagePdf.title=Remove image
home.removeImagePdf.desc=Remove image from PDF to reduce file size
removeImagePdf.tags=Remove Image,Page operations,Back end,server side
@@ -848,19 +840,6 @@ compare.complex.message=One or both of the provided documents are large files, a
compare.large.file.message=One or Both of the provided documents are too large to process
compare.no.text.message=One or both of the selected PDFs have no text content. Please choose PDFs with text for comparison.
-#BookToPDF
-BookToPDF.title=Books and Comics to PDF
-BookToPDF.header=Book to PDF
-BookToPDF.credit=Uses Calibre
-BookToPDF.submit=Convert
-
-#PDFToBook
-PDFToBook.title=PDF to Book
-PDFToBook.header=PDF to Book
-PDFToBook.selectText.1=Format
-PDFToBook.credit=Uses Calibre
-PDFToBook.submit=Convert
-
#sign
sign.title=Sign
sign.header=Sign PDFs
diff --git a/src/main/resources/templates/convert/book-to-pdf.html b/src/main/resources/templates/convert/book-to-pdf.html
deleted file mode 100644
index 2de6011f6..000000000
--- a/src/main/resources/templates/convert/book-to-pdf.html
+++ /dev/null
@@ -1,29 +0,0 @@
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diff --git a/src/main/resources/templates/convert/pdf-to-book.html b/src/main/resources/templates/convert/pdf-to-book.html
deleted file mode 100644
index ef5f10630..000000000
--- a/src/main/resources/templates/convert/pdf-to-book.html
+++ /dev/null
@@ -1,45 +0,0 @@
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