From 3d9ac9e107eb2679110ed23cae6d8595ad662cf9 Mon Sep 17 00:00:00 2001
From: Swastik <swstkbaranwal@gmail.com>
Date: Thu, 2 Nov 2023 19:50:42 +0530
Subject: [PATCH] Revert "checker: warn on unused imported functions used via
 `import math { sin, cos }`"

This reverts commit ddf0468f1c4f9af54ada162712c212214e58ca56.
---
 vlib/v/checker/checker.v                               |  3 ---
 .../checker/tests/import_sym_fn_unused_warning_err.out | 10 ----------
 .../checker/tests/import_sym_fn_unused_warning_err.vv  |  3 ---
 3 files changed, 16 deletions(-)
 delete mode 100644 vlib/v/checker/tests/import_sym_fn_unused_warning_err.out
 delete mode 100644 vlib/v/checker/tests/import_sym_fn_unused_warning_err.vv

diff --git a/vlib/v/checker/checker.v b/vlib/v/checker/checker.v
index 8b2f41527c624f..b41fc4419d94f4 100644
--- a/vlib/v/checker/checker.v
+++ b/vlib/v/checker/checker.v
@@ -2493,9 +2493,6 @@ fn (mut c Checker) import_stmt(node ast.Import) {
 			if !func.is_pub {
 				c.error('module `${node.mod}` function `${sym.name}()` is private', sym.pos)
 			}
-			if func.usages != 1 {
-				c.warn('module `${node.mod}` function `${sym.name}()` is unused', sym.pos)
-			}
 			continue
 		}
 		if _ := c.file.global_scope.find_const(name) {
diff --git a/vlib/v/checker/tests/import_sym_fn_unused_warning_err.out b/vlib/v/checker/tests/import_sym_fn_unused_warning_err.out
deleted file mode 100644
index d0bb2c363db71a..00000000000000
--- a/vlib/v/checker/tests/import_sym_fn_unused_warning_err.out
+++ /dev/null
@@ -1,10 +0,0 @@
-vlib/v/checker/tests/import_sym_fn_unused_warning_err.vv:1:15: warning: module `math` function `sin()` is unused
-    1 | import math { sin, cos }
-      |               ~~~
-    2 | 
-    3 | fn main() {}
-vlib/v/checker/tests/import_sym_fn_unused_warning_err.vv:1:20: warning: module `math` function `cos()` is unused
-    1 | import math { sin, cos }
-      |                    ~~~
-    2 | 
-    3 | fn main() {}
diff --git a/vlib/v/checker/tests/import_sym_fn_unused_warning_err.vv b/vlib/v/checker/tests/import_sym_fn_unused_warning_err.vv
deleted file mode 100644
index e5a7d32933c895..00000000000000
--- a/vlib/v/checker/tests/import_sym_fn_unused_warning_err.vv
+++ /dev/null
@@ -1,3 +0,0 @@
-import math { sin, cos }
-
-fn main() {}