diff --git a/.luacheckrc b/.luacheckrc
index 25970a8ef41f8899d051b9571998de0399587e82..00098afe3b054c87983518a4f28e41073b83176c 100644
--- a/.luacheckrc
+++ b/.luacheckrc
@@ -49,8 +49,6 @@ exclude_files = {
 
 files["test/sql-tap/**/*.lua"] = {
     ignore = {
-        -- Unused argument.
-        "212",
         -- Unused loop variable.
         "213",
         -- Local variable is set but never accessed.
diff --git a/test/sql-tap/e_expr.test.lua b/test/sql-tap/e_expr.test.lua
index 67c8579627a5508acffaa9994f739c5993bf0c07..f9cfadbca9e7cd0c4c8012f238d45cd28a21dca1 100755
--- a/test/sql-tap/e_expr.test.lua
+++ b/test/sql-tap/e_expr.test.lua
@@ -1077,7 +1077,7 @@ test:do_execsql_test(
 --
 -- MUST_WORK_TEST prepared statements
 if (0>0) then
-    local function parameter_test(tn, sql, params, result)
+    local function parameter_test(tn, sql, params, result) -- luacheck: no unused
         -- Legacy from the original code. Must be replaced with analogue
         -- functions from box.
         local X = nil
@@ -1286,7 +1286,7 @@ test:do_execsql_test(
 test:execsql [[
     CREATE TABLE tblname(cname INT PRIMARY KEY);
 ]]
-local function glob(args)
+local function glob()
     return 1
 end
 
diff --git a/test/sql-tap/identifier-characters.test.lua b/test/sql-tap/identifier-characters.test.lua
index 7b257921df1f5dd3a80a56588d82a95858ff0e2a..184916bd3ed585d4070c78c883974c9145198132 100755
--- a/test/sql-tap/identifier-characters.test.lua
+++ b/test/sql-tap/identifier-characters.test.lua
@@ -65,7 +65,7 @@ local testcases = {
 		test:execsql("commit")
 		if ok == false then error(res) end
 	end,
-	function (id) end},
+	function () end},
 	{"trigger name",
 		function (id)
 			test:execsql(string.format([[
diff --git a/test/sql-tap/lua/sqltester.lua b/test/sql-tap/lua/sqltester.lua
index 4ae80c0267efe40af6efd85ff2d1bbe252f0a0dd..34ffad476eee5acd4db35b0b644663276e0bb1d8 100644
--- a/test/sql-tap/lua/sqltester.lua
+++ b/test/sql-tap/lua/sqltester.lua
@@ -179,7 +179,7 @@ local function execsql(self, sql)
 end
 test.execsql = execsql
 
-local function catchsql(self, sql, expect)
+local function catchsql(self, sql)
     local r = {pcall(execsql, self, sql) }
     if r[1] == true then
         r[1] = 0
diff --git a/test/sql-tap/sort.test.lua b/test/sql-tap/sort.test.lua
index 6ccb9939216343935591a31e14b315565a97ff1f..b28bba0e5c55cf52511500acd4121e16488344dc 100755
--- a/test/sql-tap/sort.test.lua
+++ b/test/sql-tap/sort.test.lua
@@ -763,7 +763,7 @@ if (0 > 0) then
 -- Legacy from the original code. Must be replaced with analogue
 -- functions from box.
 local X = nil
-local function cksum(x)
+local function cksum(x) -- luacheck: no unused
     local i1 = 1
     local i2 = 2
     X(503, "X!cmd", [=[["binary","scan",["x"],"c*","L"]]=])