diff --git a/src/common/common.cpp b/src/common/common.cpp
index 93c8a39d5..e65e7c0c0 100644
--- a/src/common/common.cpp
+++ b/src/common/common.cpp
@@ -13,7 +13,6 @@
 
 #include "common/common.h"
 
-#include <boost/regex.hpp>
 #include <stdlib.h>
 #include <string>
 #ifdef SYS_WINDOWS
diff --git a/src/common/translation.cpp b/src/common/translation.cpp
index bfe829db1..c58e3cbec 100644
--- a/src/common/translation.cpp
+++ b/src/common/translation.cpp
@@ -14,7 +14,6 @@
 #include "common/common.h"
 
 #include <algorithm>
-#include <boost/regex.hpp>
 #if HAVE_NL_LANGINFO
 # include <langinfo.h>
 #elif HAVE_LOCALE_CHARSET
diff --git a/src/extract/extract_cli_parser.cpp b/src/extract/extract_cli_parser.cpp
index 57584fbde..9b45d0c04 100644
--- a/src/extract/extract_cli_parser.cpp
+++ b/src/extract/extract_cli_parser.cpp
@@ -15,7 +15,6 @@
 
 #include <algorithm>
 #include <boost/bind.hpp>
-#include <boost/regex.hpp>
 #include <stdexcept>
 #include <string>
 #include <typeinfo>
diff --git a/src/extract/mkvextract.cpp b/src/extract/mkvextract.cpp
index 2ca532132..e87679641 100644
--- a/src/extract/mkvextract.cpp
+++ b/src/extract/mkvextract.cpp
@@ -18,8 +18,6 @@
 #include <string>
 #include <vector>
 
-#include <boost/regex.hpp>
-
 #include "common/chapters/chapters.h"
 #include "common/command_line.h"
 #include "common/locale.h"
diff --git a/src/merge/mkvmerge.cpp b/src/merge/mkvmerge.cpp
index 4f07639ae..b4d093acb 100644
--- a/src/merge/mkvmerge.cpp
+++ b/src/merge/mkvmerge.cpp
@@ -15,7 +15,6 @@
 
 #include "common/common.h"
 
-#include <boost/regex.hpp>
 #include <errno.h>
 #include <ctype.h>
 #if defined(SYS_UNIX) || defined(COMP_CYGWIN) || defined(SYS_APPLE)
diff --git a/src/output/p_textsubs.cpp b/src/output/p_textsubs.cpp
index 873228e57..b1dc0eac3 100644
--- a/src/output/p_textsubs.cpp
+++ b/src/output/p_textsubs.cpp
@@ -13,7 +13,6 @@
 
 #include "common/common.h"
 
-#include <boost/regex.hpp>
 #include <string>
 
 #include "common/locale.h"
diff --git a/src/output/p_textsubs.h b/src/output/p_textsubs.h
index a99ca89e1..cd0efef5c 100644
--- a/src/output/p_textsubs.h
+++ b/src/output/p_textsubs.h
@@ -16,7 +16,6 @@
 
 #include "common/common.h"
 
-#include <boost/regex.hpp>
 #include <string>
 
 #include "merge/pr_generic.h"