diff --git a/examples/gno.land/p/demo/mux/router.gno b/examples/gno.land/p/demo/mux/router.gno
index ae09d6a275ac..5b9cd3a22733 100644
--- a/examples/gno.land/p/demo/mux/router.gno
+++ b/examples/gno.land/p/demo/mux/router.gno
@@ -1,9 +1,6 @@
 package mux
 
-import (
-	"strconv"
-	"strings"
-)
+import "strings"
 
 // Router handles the routing and rendering logic.
 type Router struct {
diff --git a/examples/gno.land/r/demo/showcase/gno.mod b/examples/gno.land/r/demo/showcase/gno.mod
new file mode 100644
index 000000000000..7995c764427c
--- /dev/null
+++ b/examples/gno.land/r/demo/showcase/gno.mod
@@ -0,0 +1,7 @@
+module showcase
+
+require (
+        "gno.land/p/demo/avl" v0.0.0-latest
+        "gno.land/p/demo/mux" v0.0.0-latest
+        "gno.land/p/demo/ui" v0.0.0-latest
+)
\ No newline at end of file
diff --git a/examples/gno.land/r/demo/showcase/mod_avl.gno b/examples/gno.land/r/demo/showcase/mod_avl.gno
index 0eba0a902751..4a1b902acaa3 100644
--- a/examples/gno.land/r/demo/showcase/mod_avl.gno
+++ b/examples/gno.land/r/demo/showcase/mod_avl.gno
@@ -1,9 +1,5 @@
 package showcase
 
-import (
-	"gno.land/p/demo/avl"
-)
-
 func init() {
 	registerModule(&module{
 		name:        "p/avl",
diff --git a/examples/gno.land/r/demo/showcase/showcase.gno b/examples/gno.land/r/demo/showcase/showcase.gno
index 99087f9cebe6..d0778a0c6912 100644
--- a/examples/gno.land/r/demo/showcase/showcase.gno
+++ b/examples/gno.land/r/demo/showcase/showcase.gno
@@ -76,6 +76,7 @@ func RenderCommand(res *mux.ResponseWriter, req *mux.Request) {
 	dom.Footer.Append(ui.HR{}, ui.Link{Text: "[Back]", URL: realmPath + module.path()})
 
 	res.Write(dom.String())
+	return
 }
 
 func RenderModule(res *mux.ResponseWriter, req *mux.Request) {
@@ -109,6 +110,7 @@ func RenderModule(res *mux.ResponseWriter, req *mux.Request) {
 
 	// write to response
 	res.Write(dom.String())
+	return
 }
 
 func RenderHome(res *mux.ResponseWriter, req *mux.Request) {
@@ -141,6 +143,7 @@ This framework encourages experimentation and creativity, allowing developers to
 
 	// write to response
 	res.Write(dom.String())
+	return
 }
 
 func Render(path string) string {