diff --git a/configure.ac b/configure.ac
index c9759e18a02..2d116de3b6b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1366,6 +1366,7 @@ case "$opsys" in
    UNEXEC_OBJ=unexsol.o
    ;;
 esac
+test "$CANNOT_DUMP" = "yes" && UNEXEC_OBJ=
 
 LD_SWITCH_SYSTEM=
 case "$opsys" in
@@ -2154,6 +2155,7 @@ doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
 hybrid_malloc=
 system_malloc=yes
 
+test "$CANNOT_DUMP" = yes ||
 case "$opsys" in
   ## darwin ld insists on the use of malloc routines in the System framework.
   darwin | mingw32 | nacl | sol2-10) ;;
diff --git a/src/alloc.c b/src/alloc.c
index 90c6f9441fa..175dcab2487 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -173,31 +173,34 @@ voidfuncptr __MALLOC_HOOK_VOLATILE __malloc_initialize_hook EXTERNALLY_VISIBLE
 
 #endif
 
+#if defined DOUG_LEA_MALLOC || !defined CANNOT_DUMP
+
 /* Allocator-related actions to do just before and after unexec.  */
 
 void
 alloc_unexec_pre (void)
 {
-#ifdef DOUG_LEA_MALLOC
+# ifdef DOUG_LEA_MALLOC
   malloc_state_ptr = malloc_get_state ();
   if (!malloc_state_ptr)
     fatal ("malloc_get_state: %s", strerror (errno));
-#endif
-#ifdef HYBRID_MALLOC
+# endif
+# ifdef HYBRID_MALLOC
   bss_sbrk_did_unexec = true;
-#endif
+# endif
 }
 
 void
 alloc_unexec_post (void)
 {
-#ifdef DOUG_LEA_MALLOC
+# ifdef DOUG_LEA_MALLOC
   free (malloc_state_ptr);
-#endif
-#ifdef HYBRID_MALLOC
+# endif
+# ifdef HYBRID_MALLOC
   bss_sbrk_did_unexec = false;
-#endif
+# endif
 }
+#endif
 
 /* Mark, unmark, query mark bit of a Lisp string.  S must be a pointer
    to a struct Lisp_String.  */
@@ -5216,6 +5219,8 @@ pure_alloc (size_t size, int type)
 }
 
 
+#ifndef CANNOT_DUMP
+
 /* Print a warning if PURESIZE is too small.  */
 
 void
@@ -5226,6 +5231,7 @@ check_pure_size (void)
 	      " bytes needed)"),
 	     pure_bytes_used + pure_bytes_used_before_overflow);
 }
+#endif
 
 
 /* Find the byte sequence {DATA[0], ..., DATA[NBYTES-1], '\0'} from
diff --git a/src/emacs.c b/src/emacs.c
index efd4fa329df..ac9b6495337 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -130,11 +130,15 @@ Lisp_Object Vlibrary_cache;
    on subsequent starts.  */
 bool initialized;
 
+#ifdef CANNOT_DUMP
+enum { might_dump = false };
+#else
 /* Set to true if this instance of Emacs might dump.  */
-#ifndef DOUG_LEA_MALLOC
+# ifndef DOUG_LEA_MALLOC
 static
-#endif
+# endif
 bool might_dump;
+#endif
 
 #ifdef DARWIN_OS
 extern void unexec_init_emacs_zone (void);
@@ -196,7 +200,7 @@ int daemon_type;
 #ifndef WINDOWSNT
 /* Pipe used to send exit notification to the background daemon parent at
    startup.  On Windows, we use a kernel event instead.  */
-int daemon_pipe[2];
+static int daemon_pipe[2];
 #else
 HANDLE w32_daemon_event;
 #endif
diff --git a/src/image.c b/src/image.c
index d82fedb8dea..5614f39e15b 100644
--- a/src/image.c
+++ b/src/image.c
@@ -9776,6 +9776,8 @@ lookup_image_type (Lisp_Object type)
   return NULL;
 }
 
+#if !defined CANNOT_DUMP && defined HAVE_WINDOW_SYSTEM
+
 /* Reset image_types before dumping.
    Called from Fdump_emacs.  */
 
@@ -9789,6 +9791,7 @@ reset_image_types (void)
       image_types = next;
     }
 }
+#endif
 
 void
 syms_of_image (void)
diff --git a/src/lastfile.c b/src/lastfile.c
index 9d70b001d11..27602bd6a44 100644
--- a/src/lastfile.c
+++ b/src/lastfile.c
@@ -43,6 +43,8 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 char my_edata[] = "End of Emacs initialized data";
 #endif
 
+#ifndef CANNOT_DUMP
+
 /* Help unexec locate the end of the .bss area used by Emacs (which
    isn't always a separate section in NT executables).  */
 char my_endbss[1];
@@ -52,3 +54,5 @@ char my_endbss[1];
    of the bss area used by Emacs.  */
 static char _my_endbss[1];
 char * my_endbss_static = _my_endbss;
+
+#endif
diff --git a/test/Makefile.in b/test/Makefile.in
index 33e625fc996..f2f27634c24 100644
--- a/test/Makefile.in
+++ b/test/Makefile.in
@@ -190,6 +190,7 @@ check-doit: ${LOGFILES}
 
 mostlyclean:
 	-@for f in ${LOGFILES}; do test ! -f $$f || mv $$f $$f~; done
+	rm -f *.tmp
 
 clean:
 	-rm -f ${LOGFILES} ${LOGSAVEFILES}
@@ -206,5 +207,7 @@ maintainer-clean: distclean bootstrap-clean
 make-test-deps.mk: $(ELFILES) make-test-deps.emacs-lisp
 	$(EMACS) --batch -l $(srcdir)/make-test-deps.emacs-lisp \
 	--eval "(make-test-deps \"$(srcdir)\")" \
-	2> $@
-# Makefile ends here.
+	2> $@.tmp
+	# Hack to elide any CANNOT_DUMP=yes chatter.
+	sed '/\.log: /!d' $@.tmp >$@
+	rm -f $@.tmp