--- octave-4.4.1/doc/interpreter/module.mk.orig	2022-12-17 16:52:56.480904895 +0100
+++ octave-4.4.1/doc/interpreter/module.mk	2022-12-19 20:27:29.924079565 +0100
@@ -311,8 +311,6 @@ $(HTMLDIR_IMAGES) $(HTMLDIR_CSS) : %reld
 DOC_TARGETS += \
   $(srcdir)/%reldir%/octave.info \
   %reldir%/doc-cache \
-  %reldir%/octave.ps \
-  %reldir%/octave.pdf \
   $(OCTAVE_HTML_STAMP) \
   $(HTMLDIR_IMAGES) \
   $(HTMLDIR_CSS)
--- octave-4.4.1/doc/liboctave/module.mk.orig	2022-12-17 16:52:56.480904895 +0100
+++ octave-4.4.1/doc/liboctave/module.mk	2022-12-19 20:28:01.644243224 +0100
@@ -51,16 +51,11 @@ HTMLS += %reldir%/liboctave.html
 
 DOC_TARGETS += \
   $(srcdir)/%reldir%/liboctave.info \
-  %reldir%/liboctave.ps \
-  %reldir%/liboctave.pdf \
   %reldir%/liboctave.html
 
 doc_EXTRA_DIST += \
   $(liboctave_TEXINFOS) \
   $(srcdir)/%reldir%/liboctave.info \
-  %reldir%/liboctave.dvi \
-  %reldir%/liboctave.ps \
-  %reldir%/liboctave.pdf \
   %reldir%/liboctave.html
 
 ## The TeX software suite is used to create both PDF and PS output formats.
--- octave-4.4.1/doc/refcard/module.mk.orig	2022-12-17 16:52:56.480904895 +0100
+++ octave-4.4.1/doc/refcard/module.mk	2022-12-19 20:28:46.114472668 +0100
@@ -26,8 +26,7 @@ refcard_FORMATTED = \
   $(refcard_PDF) \
   $(refcard_PS)
 
-DOC_TARGETS += \
-  $(refcard_FORMATTED)
+DOC_TARGETS +=
 
 %reldir%/refcard-a4.pdf: %reldir%/refcard.tex
 %reldir%/refcard-a4.dvi: %reldir%/refcard.tex
@@ -58,7 +57,6 @@ $(refcard_PDF) : %.pdf : %.tex | %reldir
 	$(PDFTEX) $(<F) $(AM_V_texidevnull)
 
 doc_EXTRA_DIST += \
-  $(refcard_FORMATTED) \
   $(refcard_TEX_SRC)
 
 doc_CLEANFILES += \