diff --git a/vlib/strconv/vprintf.c.v b/vlib/strconv/vprintf.c.v
index ec8d5f078d..dbea0e1490 100644
--- a/vlib/strconv/vprintf.c.v
+++ b/vlib/strconv/vprintf.c.v
@@ -23,6 +23,7 @@ enum Char_parse_state {
 }
 
 // v_printf prints a sprintf-like formated `string` to the terminal.
+[deprecated: 'use string interpolation instead']
 pub fn v_printf(str string, pt ...voidptr) {
 	print(v_sprintf(str, ...pt))
 }
@@ -34,6 +35,7 @@ pub fn v_printf(str string, pt ...voidptr) {
 // x := 3.141516
 // assert strconv.v_sprintf('aaa %G', x) == 'aaa 3.141516'
 // ```
+[deprecated: 'use string interpolation instead']
 [manualfree]
 pub fn v_sprintf(str string, pt ...voidptr) string {
 	mut res := strings.new_builder(pt.len * 16)
diff --git a/vlib/v/checker/fn.v b/vlib/v/checker/fn.v
index 3c00ee7ab4..432cf40c56 100644
--- a/vlib/v/checker/fn.v
+++ b/vlib/v/checker/fn.v
@@ -750,7 +750,7 @@ pub fn (mut c Checker) fn_call(mut node ast.CallExpr, mut continue_check &bool)
 		}
 	}
 	if !func.is_pub && func.language == .v && func.name.len > 0 && func.mod.len > 0
-		&& func.mod != c.mod {
+		&& func.mod != c.mod && !c.pref.is_test {
 		c.error('function `$func.name` is private', node.pos)
 	}
 	if !isnil(c.table.cur_fn) && !c.table.cur_fn.is_deprecated && func.is_deprecated {
diff --git a/vlib/v/checker/tests/passing_expr_to_fn_expecting_voidptr.out b/vlib/v/checker/tests/passing_expr_to_fn_expecting_voidptr.out
index 1acbdb5e34..dada814886 100644
--- a/vlib/v/checker/tests/passing_expr_to_fn_expecting_voidptr.out
+++ b/vlib/v/checker/tests/passing_expr_to_fn_expecting_voidptr.out
@@ -1,5 +1,5 @@
-vlib/v/checker/tests/passing_expr_to_fn_expecting_voidptr.vv:3:31: error: expression cannot be passed as `voidptr`
-    1 | import strconv
-    2 | 
-    3 | strconv.v_printf('%02.02f\n', 1.1)
-      |                               ~~~
+vlib/v/checker/tests/passing_expr_to_fn_expecting_voidptr.vv:5:23: error: expression cannot be passed as `voidptr`
+    3 | }
+    4 | 
+    5 | myprintf('%02.02f\n', 1.1)
+      |                       ~~~
diff --git a/vlib/v/checker/tests/passing_expr_to_fn_expecting_voidptr.vv b/vlib/v/checker/tests/passing_expr_to_fn_expecting_voidptr.vv
index 1b3bc39885..23e816444f 100644
--- a/vlib/v/checker/tests/passing_expr_to_fn_expecting_voidptr.vv
+++ b/vlib/v/checker/tests/passing_expr_to_fn_expecting_voidptr.vv
@@ -1,3 +1,5 @@
-import strconv
+fn myprintf(s string, x voidptr) {
 
-strconv.v_printf('%02.02f\n', 1.1)
+}
+
+myprintf('%02.02f\n', 1.1)
diff --git a/vlib/v/live/executable/reloader.v b/vlib/v/live/executable/reloader.v
index 828a5f1b84..f8643693a4 100644
--- a/vlib/v/live/executable/reloader.v
+++ b/vlib/v/live/executable/reloader.v
@@ -3,7 +3,6 @@ module executable
 import os
 import time
 import dl
-import strconv
 import v.live
 
 pub const (
@@ -84,7 +83,7 @@ fn compile_lib(mut r live.LiveReloadInfo) ?string {
 }
 
 fn current_shared_library_path(mut r live.LiveReloadInfo) (string, string) {
-	lib_path := strconv.v_sprintf(r.so_name_template.replace('\\', '\\\\'), r.reloads)
+	lib_path := r.so_name_template.replace('\\', '\\\\').replace('%d', r.reloads.str())
 	lib_path_with_extension := lib_path + r.so_extension
 	return lib_path, lib_path_with_extension
 }
diff --git a/vlib/v/pref/pref.v b/vlib/v/pref/pref.v
index 5e78944dd8..b881ddf716 100644
--- a/vlib/v/pref/pref.v
+++ b/vlib/v/pref/pref.v
@@ -118,6 +118,7 @@ pub mut:
 	is_debug          bool // turned on by -g or -cg, it tells v to pass -g to the C backend compiler.
 	is_vlines         bool // turned on by -g (it slows down .tmp.c generation slightly).
 	is_stats          bool // `v -stats file_test.v` will produce more detailed statistics for the tests that were run
+	show_timings      bool // show how much time each compiler stage took
 	is_fmt            bool
 	is_vet            bool
 	is_vweb           bool // skip _ var warning in templates
@@ -201,7 +202,6 @@ pub mut:
 	check_only        bool // same as only_check_syntax, but also runs the checker
 	experimental      bool // enable experimental features
 	skip_unused       bool // skip generating C code for functions, that are not used
-	show_timings      bool // show how much time each compiler stage took
 	//
 	use_color           ColorOutput // whether the warnings/errors should use ANSI color escapes.
 	cleanup_files       []string    // list of temporary *.tmp.c and *.tmp.c.rsp files. Cleaned up on successfull builds.