diff --git a/src/lib_json/json_reader.cpp b/src/lib_json/json_reader.cpp
index 5b62999..2789ae5 100644
--- a/src/lib_json/json_reader.cpp
+++ b/src/lib_json/json_reader.cpp
@@ -19,7 +19,6 @@
 #include <limits>
 #include <memory>
 #include <set>
-#include <sstream>
 #include <utility>
 
 #include <cstdio>
diff --git a/src/lib_json/json_value.cpp b/src/lib_json/json_value.cpp
index a875d28..68cfbe9 100644
--- a/src/lib_json/json_value.cpp
+++ b/src/lib_json/json_value.cpp
@@ -13,8 +13,6 @@
 #include <cmath>
 #include <cstddef>
 #include <cstring>
-#include <iostream>
-#include <sstream>
 #include <utility>
 
 #ifdef JSONCPP_HAS_STRING_VIEW
diff --git a/src/lib_json/json_writer.cpp b/src/lib_json/json_writer.cpp
index ac14eb1..a13277b 100644
--- a/src/lib_json/json_writer.cpp
+++ b/src/lib_json/json_writer.cpp
@@ -13,10 +13,8 @@
 #include <cmath>
 #include <cstdio>
 #include <cstring>
-#include <iomanip>
 #include <memory>
 #include <set>
-#include <sstream>
 #include <utility>
 
 #if defined(_MSC_VER)
diff --git a/src/test_lib_json/fuzz.cpp b/src/test_lib_json/fuzz.cpp
index 5b75c22..0c65f59 100644
--- a/src/test_lib_json/fuzz.cpp
+++ b/src/test_lib_json/fuzz.cpp
@@ -9,7 +9,6 @@
 #include <json/config.h>
 #include <json/json.h>
 #include <memory>
-#include <string>
 
 namespace Json {
 class Exception;
diff --git a/src/test_lib_json/jsontest.h b/src/test_lib_json/jsontest.h
index 69e3264..743affb 100644
--- a/src/test_lib_json/jsontest.h
+++ b/src/test_lib_json/jsontest.h
@@ -12,8 +12,6 @@
 #include <json/config.h>
 #include <json/value.h>
 #include <json/writer.h>
-#include <sstream>
-#include <string>
 
 // //////////////////////////////////////////////////////////////////
 // //////////////////////////////////////////////////////////////////
diff --git a/src/test_lib_json/main.cpp b/src/test_lib_json/main.cpp
index 60f149d..6311ef6 100644
--- a/src/test_lib_json/main.cpp
+++ b/src/test_lib_json/main.cpp
@@ -12,7 +12,6 @@
 
 #include "fuzz.h"
 #include "jsontest.h"
-#include <algorithm>
 #include <cmath>
 #include <cstring>
 #include <functional>