diff --git a/Makefile b/Makefile
index 1d79dd7..6d4f118 100644
--- a/Makefile
+++ b/Makefile
@@ -42,3 +42,7 @@ install:
 .PHONY: install-dev
 install-dev:
 	@make -C src install-dev
+
+.PHONY: gendoc
+gendoc:
+	@make -C src gendoc
diff --git a/src/Makefile b/src/Makefile
index 409d9d4..a5f5461 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -58,7 +58,10 @@ HACKERBASE-OBJS=hackerbase.o testing.o listing.o cal-month.o		\
 	 template-list-expander.o box-drawing.o util-list.o		\
 	 export-web-static.o util-dir.o racket-kwargs.o dokuwiki.o
 
-GENDOC-OBJS=gendoc.o duck-extract.o
+GENDOC-SOURCES=gendoc.scm duck-extract.import.scm	\
+	util-time.import.scm
+
+GENDOC-OBJS=gendoc.o duck-extract.o util-time.o
 
 .PHONY: imports
 imports: $(HACKERBASE-DEPS)
@@ -86,6 +89,9 @@ install-dev: static
 	install -m 0755 -d /usr/local/man/man1
 	install -m 0755 ../doc/hackerbase.1 /usr/local/man/man1/hackerbase-dev.1
 
+.PHONY: gendoc
+gendoc: ../gendoc
+
 ../gendoc: $(GENDOC-OBJS)
 	$(CSC) -strip -static -o $@ $(GENDOC-OBJS)
 
@@ -103,8 +109,6 @@ install-dev: static
 
 hackerbase.o: $(HACKERBASE-DEPS)
 
-GENDOC-SOURCES=gendoc.scm duck-extract.import.scm
-
 gendoc.o: $(GENDOC-SOURCES)
 
 ################################################################
diff --git a/src/duck.scm b/src/duck.scm
index 74c6f8a..19b5971 100644
--- a/src/duck.scm
+++ b/src/duck.scm
@@ -22,8 +22,6 @@
 ;; CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 ;;
 
-(declare (unit duck))
-
 (module
  duck
  (
diff --git a/src/gendoc.scm b/src/gendoc.scm
index e830ef8..d610233 100644
--- a/src/gendoc.scm
+++ b/src/gendoc.scm
@@ -1,4 +1,6 @@
 
-(import duck-extract)
+(import duck-extract
+	util-time)
 
 (print "GENDOC")
+(print-module-duck util-time)