diff --git a/src/chattymalloc.c b/src/chattymalloc.c
index 36b50c9ec7ab27c2ac0e5a5c1b6bbf5ed8d042af..8614a277923299cf976907c2d851e5848663e4fe 100644
--- a/src/chattymalloc.c
+++ b/src/chattymalloc.c
@@ -7,7 +7,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/types.h>
 #include <unistd.h>
 
 static char tmpbuff[4096];
@@ -41,8 +40,6 @@ write_output(const char* fmt, ...)
 
     /* lockf(out, F_LOCK, 0); */
 
-    dprintf(out, "%d: ", gettid());
-
     va_list args;
     va_start(args, fmt);
     vdprintf(out, fmt, args);
diff --git a/src/chattyparser.py b/src/chattyparser.py
index 6297754f7ad05e6cd592e5814bbfd509b1c2d84f..586bccb57e7258571019baaf3c25f2229dc7a4a8 100755
--- a/src/chattyparser.py
+++ b/src/chattyparser.py
@@ -24,21 +24,20 @@ import sys
 import matplotlib.pyplot as plt
 import numpy as np
 
-TID = "(?P<tid>\\d+)"
 PTR = "(?:0x)?(?P<ptr>(?:\\w+)|(?:\\(nil\\)))"
 SIZE = "(?P<size>\\d+)"
 ALIGNMENT = "(?P<alignment>\\d+)"
 
-MALLOC_RE = re.compile(f"^{TID}: m {SIZE} {PTR}$")
-FREE_RE = re.compile(f"^{TID}: f {PTR}$")
-CALLOC_RE = re.compile(f"^{TID}: c (?P<nmemb>\\d+) {SIZE} {PTR}$")
-REALLOC_RE = re.compile(f"^{TID}: r {PTR} {SIZE} {PTR.replace('ptr', 'nptr')}$")
-MEMALIGN_RE = re.compile(f"^{TID}: ma {ALIGNMENT} {SIZE} {PTR}$")
+MALLOC_RE = re.compile(f"^m {SIZE} {PTR}$")
+FREE_RE = re.compile(f"^f {PTR}$")
+CALLOC_RE = re.compile(f"^c (?P<nmemb>\\d+) {SIZE} {PTR}$")
+REALLOC_RE = re.compile(f"^r {PTR} {SIZE} {PTR.replace('ptr', 'nptr')}$")
+MEMALIGN_RE = re.compile(f"^ma {ALIGNMENT} {SIZE} {PTR}$")
 POSIX_MEMALIGN_RE = re.compile(
-    f"^{TID}: p_ma {PTR} {ALIGNMENT} {SIZE} (?P<ret>\\d+)$")
-VALLOC_RE = re.compile(f"^{TID}: v {SIZE} {PTR}$")
-PVALLOC_RE = re.compile(f"^{TID}: pv {SIZE} {PTR}$")
-ALIGNED_ALLOC_RE = re.compile(f"^{TID}: a_m {ALIGNMENT} {SIZE} {PTR}$")
+    f"^p_ma {PTR} {ALIGNMENT} {SIZE} (?P<ret>\\d+)$")
+VALLOC_RE = re.compile(f"^v {SIZE} {PTR}$")
+PVALLOC_RE = re.compile(f"^pv {SIZE} {PTR}$")
+ALIGNED_ALLOC_RE = re.compile(f"^a_m {ALIGNMENT} {SIZE} {PTR}$")
 
 TRACE_REGEX = {
     "malloc": MALLOC_RE,