diff --git a/src/tdebug.cpp b/src/tdebug.cpp
index 0d93be0..cda06a6 100644
--- a/src/tdebug.cpp
+++ b/src/tdebug.cpp
@@ -6,7 +6,6 @@
 #if !defined(__arm__) && !defined(__aarch64__) && !defined(__PPC__)
 
 #ifndef _WIN32
-#include <execinfo.h>
 #ifndef _XOPEN_SOURCE
 #define _XOPEN_SOURCE
 #endif
@@ -188,7 +187,6 @@ static void printstacktrace(void *uap, void *data) {
     int N = terra_backtrace(frames, maxN, rip, rbp);
 
 #ifndef _WIN32
-    char **symbols = backtrace_symbols(frames, N);
 #else
     HANDLE process = GetCurrentProcess();
     SymInitialize(process, NULL, true);
@@ -202,7 +200,6 @@ static void printstacktrace(void *uap, void *data) {
         uintptr_t ip = (uintptr_t)frames[i];
         if (!printfunctioninfo(C, ip, isNextInst, i)) {
 #ifndef _WIN32
-            printf("%s\n", symbols[i]);
 #else
             char buf[256 + sizeof(SYMBOL_INFO)];
             SYMBOL_INFO *symbol = (SYMBOL_INFO *)buf;
@@ -217,7 +214,6 @@ static void printstacktrace(void *uap, void *data) {
         }
     }
 #ifndef _WIN32
-    free(symbols);
 #endif
 }