diff --git a/Makefile.am b/Makefile.am
index 3765db6..3e7049a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -5,6 +5,7 @@ pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = cln.pc
 
 EXTRA_DIST = cln.pc.in cln.spec.in
+DISTCLEANFILES = cln.pc
 
 $(pkgconfig_DATA): config.status
 
@@ -99,6 +100,12 @@ include/cln/config.h \
 include/cln/host_cpu.h \
 include/cln/intparam.h
 
+DISTCLEANFILES += \
+include/cln/config.h \
+include/cln/host_cpu.h \
+include/cln/intparam.h \
+include/cln/floatparam.h
+
 EXTRA_DIST += include/cln/config.h.in \
 	     include/cln/host_cpu.h.in \
 	     include/cln/version.h.in \
diff --git a/src/Makefile.am b/src/Makefile.am
index dcdbaed..ae092bb 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -982,3 +982,7 @@ polynomial/elem/cl_asm_GF2.S: $(MORE_ASMFILES)
 
 EXTRA_DIST = $(ASMFILES) $(MORE_ASMFILES)
 
+DISTCLEANFILES = \
+base/digitseq/cl_asm.S \
+polynomial/elem/cl_asm_GF2.S
+