diff --git a/examples/sokol/sounds/wav_player.v b/examples/sokol/sounds/wav_player.v
index b781be3ac2..b73fd83d56 100644
--- a/examples/sokol/sounds/wav_player.v
+++ b/examples/sokol/sounds/wav_player.v
@@ -170,7 +170,7 @@ fn read_wav_file_samples(fpath string) ?[]f32 {
 		}
 		//
 		if ch.chunk_type == [u8(`d`), `a`, `t`, `a`]! {
-			if rf == 0 {
+			if unsafe { rf == 0 } {
 				return error('`data` chunk should be after `fmt ` chunk')
 			}
 			// eprintln('`fmt ` chunk: $rf\n`data` chunk: $ch')
diff --git a/vlib/sokol/audio/audio.v b/vlib/sokol/audio/audio.v
index 700ff21a55..0cf18497b2 100644
--- a/vlib/sokol/audio/audio.v
+++ b/vlib/sokol/audio/audio.v
@@ -98,8 +98,8 @@ fn C.saudio_expect() int
 fn C.saudio_push(frames &f32, num_frames int) int
 
 // setup - setup sokol-audio
-pub fn setup(desc C.saudio_desc) {
-	C.saudio_setup(&desc)
+pub fn setup(desc &C.saudio_desc) {
+	C.saudio_setup(desc)
 }
 
 // shutdown - shutdown sokol-audio
diff --git a/vlib/v/checker/tests/modules/module_with_redeclaration/redeclare_time_structs.v b/vlib/v/checker/tests/modules/module_with_redeclaration/redeclare_time_structs.v
index 7545677a5d..7613cea293 100644
--- a/vlib/v/checker/tests/modules/module_with_redeclaration/redeclare_time_structs.v
+++ b/vlib/v/checker/tests/modules/module_with_redeclaration/redeclare_time_structs.v
@@ -2,7 +2,5 @@ module module_with_redeclaration
 
 pub const used = 1
 
-struct C.timeval {
-	tv_sec  u64 // Seconds.
-	tv_usec u64 // Microseconds.
+struct C.saudio_desc {
 }
diff --git a/vlib/v/checker/tests/private_redeclaration_of_C_struct.out b/vlib/v/checker/tests/private_redeclaration_of_C_struct.out
new file mode 100644
index 0000000000..d714aab2f9
--- /dev/null
+++ b/vlib/v/checker/tests/private_redeclaration_of_C_struct.out
@@ -0,0 +1,28 @@
+vlib/sokol/audio/audio.v:86:26: error: struct `C.saudio_desc` was declared as private to module `module_with_redeclaration`, so it can not be used inside module `sokol.audio`
+   84 | fn C.saudio_userdata() voidptr
+   85 | 
+   86 | fn C.saudio_query_desc() C.saudio_desc
+      |                          ~~~~~~~~~~~~~
+   87 | 
+   88 | fn C.saudio_sample_rate() int
+vlib/sokol/audio/audio.v:101:19: error: struct `C.saudio_desc` was declared as private to module `module_with_redeclaration`, so it can not be used inside module `sokol.audio`
+   99 | 
+  100 | // setup - setup sokol-audio
+  101 | pub fn setup(desc &C.saudio_desc) {
+      |                   ^
+  102 |     C.saudio_setup(desc)
+  103 | }
+vlib/sokol/audio/audio.v:121:16: error: struct `C.saudio_desc` was declared as private to module `module_with_redeclaration`, so it can not be used inside module `sokol.audio`
+  119 | 
+  120 | // query - return a copy of the original saudio_desc struct
+  121 | pub fn query() C.saudio_desc {
+      |                ~~~~~~~~~~~~~
+  122 |     return C.saudio_query_desc()
+  123 | }
+vlib/v/checker/tests/private_redeclaration_of_C_struct.vv:7:10: error: struct `C.saudio_desc` was declared as private to module `module_with_redeclaration`, so it can not be used inside module `main`
+    5 | 
+    6 | fn main() {
+    7 |     sd := C.saudio_desc{}
+      |             ~~~~~~~~~~~~~
+    8 |     audio.setup(sd)
+    9 | }
diff --git a/vlib/v/checker/tests/private_redeclaration_of_C_struct.vv b/vlib/v/checker/tests/private_redeclaration_of_C_struct.vv
new file mode 100644
index 0000000000..0318ee2b19
--- /dev/null
+++ b/vlib/v/checker/tests/private_redeclaration_of_C_struct.vv
@@ -0,0 +1,9 @@
+import module_with_redeclaration as mr
+import sokol.audio
+
+const used = mr.used
+
+fn main() {
+	sd := C.saudio_desc{}
+	audio.setup(sd)
+}
diff --git a/vlib/v/checker/tests/private_redeclaration_of_C_timeval.out b/vlib/v/checker/tests/private_redeclaration_of_C_timeval.out
deleted file mode 100644
index cce34e2e47..0000000000
--- a/vlib/v/checker/tests/private_redeclaration_of_C_timeval.out
+++ /dev/null
@@ -1,14 +0,0 @@
-vlib/time/time.c.v:90:11: error: struct `C.timeval` was declared as private to module `module_with_redeclaration`, so it can not be used inside module `time`
-   88 |         return C.GetTickCount()
-   89 |     } $else {
-   90 |         ts := C.timeval{}
-      |                 ~~~~~~~~~
-   91 |         C.gettimeofday(&ts, 0)
-   92 |         return i64(ts.tv_sec * u64(1000) + (ts.tv_usec / u64(1000)))
-vlib/v/checker/tests/private_redeclaration_of_C_timeval.vv:9:10: error: struct `C.timeval` was declared as private to module `module_with_redeclaration`, so it can not be used inside module `main`
-    7 |     dump(time.now()) // ensure `time` is used
-    8 |     //
-    9 |     ts := C.timeval{}
-      |             ~~~~~~~~~
-   10 |     dump(ts)
-   11 | }
diff --git a/vlib/v/checker/tests/private_redeclaration_of_C_timeval.vv b/vlib/v/checker/tests/private_redeclaration_of_C_timeval.vv
deleted file mode 100644
index 50d2c056cc..0000000000
--- a/vlib/v/checker/tests/private_redeclaration_of_C_timeval.vv
+++ /dev/null
@@ -1,11 +0,0 @@
-import module_with_redeclaration as mr
-import time
-
-const used = mr.used
-
-fn main() {
-	dump(time.now()) // ensure `time` is used
-	//
-	ts := C.timeval{}
-	dump(ts)
-}