diff --git a/pkgs/development/compilers/vlang/default.nix b/pkgs/development/compilers/vlang/default.nix
index 0601022df61..64ccb2fc16e 100644
--- a/pkgs/development/compilers/vlang/default.nix
+++ b/pkgs/development/compilers/vlang/default.nix
@@ -2,21 +2,21 @@
 
 stdenv.mkDerivation rec {
   pname = "vlang";
-  version = "weekly.2022.19";
+  version = "weekly.2022.20";
 
   src = fetchFromGitHub {
     owner = "vlang";
     repo = "v";
     rev = version;
-    sha256 = "1bl91j3ip3i84jq3wg03sflllxv38sv4dc072r302rl2g9f4dbg6";
+    sha256 = "1isbyfs98bdbm2qjf7q4bqbpsmdiqlavn3gznwr12bkvhnsf4j3x";
   };
 
   # Required for bootstrap.
   vc = fetchFromGitHub {
     owner = "vlang";
     repo = "vc";
-    rev = "a298ad7069f6333ef8ab59a616654fc74e04c847";
-    sha256 = "168cgq6451hcgsxzyd8vq11g01642bs5kkwxqh6rz3rnc86ajic0";
+    rev = "167f262866090493650f58832d62d910999dd5a4";
+    sha256 = "1xax8355qkrccjcmx24gcab88xnrqj15mhqy0bgp3v2rb1hw1n3a";
   };
 
   # Required for vdoc.
@@ -27,11 +27,6 @@ stdenv.mkDerivation rec {
     sha256 = "0cawzizr3rjz81blpvxvxrcvcdai1adj66885ss390444qq1fnv7";
   };
 
-  # vcreate_test.v requires git, so we must disable it.
-  patches = [
-    ./disable_vcreate_test.patch
-  ];
-
   propagatedBuildInputs = [ glfw freetype openssl ]
     ++ lib.optional stdenv.hostPlatform.isUnix upx;
 
@@ -42,9 +37,16 @@ stdenv.mkDerivation rec {
     "VC=${vc}"
   ];
 
-  prePatch = ''
+  preBuild = ''
     export HOME=$(mktemp -d)
-    cp cmd/tools/vcreate_test.v $HOME/vcreate_test.v
+  '';
+
+  # vcreate_test.v requires git, so we must remove it when building the tools.
+  # vtest.v fails on Darwin, so let's just disable it for now.
+  preInstall = ''
+    mv cmd/tools/vcreate_test.v $HOME/vcreate_test.v
+  '' + lib.optionalString stdenv.isDarwin ''
+    mv cmd/tools/vtest.v $HOME/vtest.v
   '';
 
   installPhase = ''
@@ -64,12 +66,16 @@ stdenv.mkDerivation rec {
     $out/lib/v -v $out/lib/cmd/tools/vast
     $out/lib/v -v $out/lib/cmd/tools/vvet
 
-    # Return the pre-patch vcreate_test.v now that we no longer need the alteration.
-    cp $HOME/vcreate_test.v $out/lib/cmd/tools/vcreate_test.v
-
     runHook postInstall
   '';
 
+  # Return vcreate_test.v and vtest.v, so the user can use it.
+  postInstall = ''
+    cp $HOME/vcreate_test.v $out/lib/cmd/tools/vcreate_test.v
+  '' + lib.optionalString stdenv.isDarwin ''
+    cp $HOME/vtest.v $out/lib/cmd/tools/vtest.v
+  '';
+
   meta = with lib; {
     homepage = "https://vlang.io/";
     description = "Simple, fast, safe, compiled language for developing maintainable software";
diff --git a/pkgs/development/compilers/vlang/disable_vcreate_test.patch b/pkgs/development/compilers/vlang/disable_vcreate_test.patch
deleted file mode 100644
index 85ed867c83e..00000000000
--- a/pkgs/development/compilers/vlang/disable_vcreate_test.patch
+++ /dev/null
@@ -1,133 +0,0 @@
-diff --git a/cmd/tools/vcreate_test.v b/cmd/tools/vcreate_test.v
-index 3d07f4773..de8a202df 100644
---- a/cmd/tools/vcreate_test.v
-+++ b/cmd/tools/vcreate_test.v
-@@ -2,127 +2,6 @@ import os
- 
- const test_path = 'vcreate_test'
- 
--fn init_and_check() ? {
--	os.execute_or_exit('${os.quoted_path(@VEXE)} init')
--
--	assert os.read_file('vcreate_test.v') ? == [
--		'module main\n',
--		'fn main() {',
--		"	println('Hello World!')",
--		'}',
--		'',
--	].join_lines()
--
--	assert os.read_file('v.mod') ? == [
--		'Module {',
--		"	name: 'vcreate_test'",
--		"	description: ''",
--		"	version: ''",
--		"	license: ''",
--		'	dependencies: []',
--		'}',
--		'',
--	].join_lines()
--
--	assert os.read_file('.gitignore') ? == [
--		'# Binaries for programs and plugins',
--		'main',
--		'vcreate_test',
--		'*.exe',
--		'*.exe~',
--		'*.so',
--		'*.dylib',
--		'*.dll',
--		'vls.log',
--		'',
--	].join_lines()
--
--	assert os.read_file('.gitattributes') ? == [
--		'*.v linguist-language=V text=auto eol=lf',
--		'*.vv linguist-language=V text=auto eol=lf',
--		'*.vsh linguist-language=V text=auto eol=lf',
--		'**/v.mod linguist-language=V text=auto eol=lf',
--		'',
--	].join_lines()
--
--	assert os.read_file('.editorconfig') ? == [
--		'[*]',
--		'charset = utf-8',
--		'end_of_line = lf',
--		'insert_final_newline = true',
--		'trim_trailing_whitespace = true',
--		'',
--		'[*.v]',
--		'indent_style = tab',
--		'indent_size = 4',
--		'',
--	].join_lines()
--}
--
- fn test_v_init() ? {
--	dir := os.join_path(os.temp_dir(), test_path)
--	os.rmdir_all(dir) or {}
--	os.mkdir(dir) or {}
--	defer {
--		os.rmdir_all(dir) or {}
--	}
--	os.chdir(dir) ?
--
--	init_and_check() ?
--}
--
--fn test_v_init_in_git_dir() ? {
--	dir := os.join_path(os.temp_dir(), test_path)
--	os.rmdir_all(dir) or {}
--	os.mkdir(dir) or {}
--	defer {
--		os.rmdir_all(dir) or {}
--	}
--	os.chdir(dir) ?
--	os.execute_or_exit('git init .')
--	init_and_check() ?
--}
--
--fn test_v_init_no_overwrite_gitignore() ? {
--	dir := os.join_path(os.temp_dir(), test_path)
--	os.rmdir_all(dir) or {}
--	os.mkdir(dir) or {}
--	os.write_file('$dir/.gitignore', 'blah') ?
--	defer {
--		os.rmdir_all(dir) or {}
--	}
--	os.chdir(dir) ?
--
--	os.execute_or_exit('${os.quoted_path(@VEXE)} init')
--
--	assert os.read_file('.gitignore') ? == 'blah'
--}
--
--fn test_v_init_no_overwrite_gitattributes_and_editorconfig() ? {
--	git_attributes_content := '*.v linguist-language=V text=auto eol=lf'
--	editor_config_content := '[*]
--charset = utf-8
--end_of_line = lf
--insert_final_newline = true
--trim_trailing_whitespace = true
--
--[*.v]
--indent_style = tab
--indent_size = 4
--'
--
--	dir := os.join_path(os.temp_dir(), test_path)
--	os.rmdir_all(dir) or {}
--	os.mkdir(dir) or {}
--	os.write_file('$dir/.gitattributes', git_attributes_content) ?
--	os.write_file('$dir/.editorconfig', editor_config_content) ?
--	defer {
--		os.rmdir_all(dir) or {}
--	}
--	os.chdir(dir) ?
--
--	os.execute_or_exit('${os.quoted_path(@VEXE)} init')
--
--	assert os.read_file('.gitattributes') ? == git_attributes_content
--	assert os.read_file('.editorconfig') ? == editor_config_content
-+	println('vcreate_test disabled')
- }