diff --git a/Cargo.toml b/Cargo.toml
index 1de8585..593c036 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "bp3d-debug"
-version = "1.0.1"
+version = "1.0.2"
 authors = ["Yuri Edward <yuri6037@outlook.com>"]
 edition = "2021"
 description = "Tracing subscriber implementations for use with BP3D software. Supports traditional logging through bp3d-logger and supports remote profiling through TCP."
@@ -13,4 +13,4 @@ categories = ["development-tools", "development-tools::debugging", "development-
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-bp3d-os = { version = "2.2.1", features = ["time"] }
+libc = "0.2"
diff --git a/src/profiler/instant.rs b/src/profiler/instant.rs
new file mode 100644
index 0000000..18492aa
--- /dev/null
+++ b/src/profiler/instant.rs
@@ -0,0 +1,98 @@
+// Copyright (c) 2025, BlockProject 3D
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//     * Redistributions of source code must retain the above copyright notice,
+//       this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above copyright notice,
+//       this list of conditions and the following disclaimer in the documentation
+//       and/or other materials provided with the distribution.
+//     * Neither the name of BlockProject 3D nor the names of its contributors
+//       may be used to endorse or promote products derived from this software
+//       without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This file is duplicated from bp3d_os::time::Instant.
+// This should not be the case but Cargo has decided to do so!!
+
+#[cfg(unix)]
+use libc::{clock_gettime, timespec, CLOCK_MONOTONIC_RAW};
+#[cfg(unix)]
+use std::hash::Hash;
+use std::time::Duration;
+
+#[cfg(unix)]
+trait DurationNewUnchecked {
+    unsafe fn new_unchecked(secs: u64, subsec_nanos: u32) -> Duration;
+}
+
+#[cfg(unix)]
+impl DurationNewUnchecked for Duration {
+    unsafe fn new_unchecked(secs: u64, subsec_nanos: u32) -> Duration {
+        const NANOS_PER_SEC: u32 = 1000000000;
+        if subsec_nanos >= NANOS_PER_SEC {
+            unsafe { std::hint::unreachable_unchecked() }
+        }
+        Duration::new(secs, subsec_nanos)
+    }
+}
+
+#[cfg(unix)]
+#[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
+#[repr(transparent)]
+pub struct Instant(Duration);
+
+#[cfg(windows)]
+#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[repr(transparent)]
+pub struct Instant(std::time::Instant);
+
+#[cfg(windows)]
+impl Instant {
+    #[inline(always)]
+    pub fn now() -> Self {
+        Self(std::time::Instant::now())
+    }
+
+    #[inline(always)]
+    pub fn elapsed(&self) -> Duration {
+        self.0.elapsed()
+    }
+}
+
+#[cfg(unix)]
+impl Instant {
+    pub fn now() -> Self {
+        let mut t = timespec {
+            tv_sec: 0,
+            tv_nsec: 0,
+        };
+        unsafe { clock_gettime(CLOCK_MONOTONIC_RAW, &mut t) };
+        Self(unsafe { Duration::new_unchecked(t.tv_sec as _, t.tv_nsec as _) })
+    }
+
+    pub fn elapsed(&self) -> Duration {
+        let mut other = timespec {
+            tv_sec: 0,
+            tv_nsec: 0,
+        };
+        unsafe { clock_gettime(CLOCK_MONOTONIC_RAW, &mut other) };
+        // Need super slow code cause somehow CLOCK_MONOTONIC_RAW is randomly broken.
+        let a = unsafe { Duration::new_unchecked(other.tv_sec as _, other.tv_nsec as _) };
+        a - self.0
+    }
+}
diff --git a/src/profiler/mod.rs b/src/profiler/mod.rs
index 9261bc1..b038e9e 100644
--- a/src/profiler/mod.rs
+++ b/src/profiler/mod.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2024, BlockProject 3D
+// Copyright (c) 2025, BlockProject 3D
 //
 // All rights reserved.
 //
@@ -29,5 +29,6 @@
 mod interface;
 mod macros;
 pub mod section;
+mod instant;
 
 pub use interface::*;
diff --git a/src/profiler/section.rs b/src/profiler/section.rs
index 4fead04..165d2a5 100644
--- a/src/profiler/section.rs
+++ b/src/profiler/section.rs
@@ -1,4 +1,4 @@
-// Copyright (c) 2024, BlockProject 3D
+// Copyright (c) 2025, BlockProject 3D
 //
 // All rights reserved.
 //
@@ -30,7 +30,7 @@ use crate::field::FieldSet;
 use crate::util::Location;
 use std::num::NonZeroU32;
 use std::sync::OnceLock;
-use bp3d_os::time::Instant;
+use super::instant::Instant;
 
 #[repr(u8)]
 #[derive(Debug, Copy, Clone, Eq, PartialEq)]