diff --git a/Cargo.lock b/Cargo.lock
index 01cf991..be3bd5d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -521,7 +521,7 @@ dependencies = [
 
 [[package]]
 name = "jtracing"
-version = "0.2.7"
+version = "0.2.8"
 dependencies = [
  "byteorder",
  "cc",
diff --git a/Cargo.toml b/Cargo.toml
index dba27fc..f829e6c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "jtracing"
-version = "0.2.7"
+version = "0.2.8"
 description = "Tracing utilites."
 authors = ["Seimizu Joukan <joukan.seimizu@gmail.com>"]
 repository = "https://github.com/saimizi/jtracing.git"
diff --git a/segfault_analyzer/segfault_analyzer.rs b/segfault_analyzer/segfault_analyzer.rs
index 55806b8..30d159c 100644
--- a/segfault_analyzer/segfault_analyzer.rs
+++ b/segfault_analyzer/segfault_analyzer.rs
@@ -1639,18 +1639,6 @@ fn format_event_as_json(event: &SegfaultEvent) -> Result<String, JtraceError> {
     })
 }
 
-/// Classify SIGABRT event - simplified to just treat all as abort
-/// Users can identify stack smashing from the stack trace if needed
-fn classify_abort_event(
-    _stack_trace: &Option<Vec<u64>>,
-    _instruction_pointer: u64,
-    _pid: u32,
-) -> (EventType, FaultType) {
-    // All SIGABRT events are classified as abort
-    // Stack trace will show __stack_chk_fail if it's stack smashing
-    (EventType::Abort, FaultType::Abort)
-}
-
 /// Parse BPF event data into Rust SegfaultEvent structure
 fn parse_bpf_event(data: &[u8]) -> Result<SegfaultEvent, JtraceError> {
     // Validate input data size