diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 1ea6dd78e6..31b0d87e74 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -4,18 +4,12 @@ add_subdirectory(time_op)
 add_subdirectory(file_op)
 add_subdirectory(privsep_op)
 add_subdirectory(pthreads_op)
-add_subdirectory(os_xml)
 add_subdirectory(error_messages)
 add_subdirectory(mem_op)
 add_subdirectory(binaries_op)
-add_subdirectory(os_net)
-add_subdirectory(os_regex)
 add_subdirectory(regex_op)
-add_subdirectory(validate_op)
 add_subdirectory(randombytes)
 add_subdirectory(bzip2_op)
-add_subdirectory(string_op)
-add_subdirectory(expression)
 add_subdirectory(debug_op)
 add_subdirectory(logging_helper)
 add_subdirectory(networkHelper)
diff --git a/src/common/debug_op/CMakeLists.txt b/src/common/debug_op/CMakeLists.txt
index 72131b0ed9..924e34d357 100644
--- a/src/common/debug_op/CMakeLists.txt
+++ b/src/common/debug_op/CMakeLists.txt
@@ -11,15 +11,10 @@ target_link_libraries(debug_op
     mem_op
     privsep_op
     pthreads_op
-    os_xml
     error_messages
-    os_regex
-    os_net
-    string_op
     binaries_op
     regex_op
-    validate_op
-    expression
     randombytes
     bzip2_op
-    cjson)
\ No newline at end of file
+    cjson)
+
diff --git a/src/common/debug_op/src/debug_op.c b/src/common/debug_op/src/debug_op.c
index efe8cc9a35..294f9f9e1c 100644
--- a/src/common/debug_op/src/debug_op.c
+++ b/src/common/debug_op/src/debug_op.c
@@ -278,7 +278,7 @@ void w_logging_init(){
 }
 
 void os_logging_config(){
-  OS_XML xml;
+//   OS_XML xml;
   const char * xmlf[] = {"ossec_config", "logging", "log_format", NULL};
   char * logformat;
   char ** parts = NULL;
@@ -286,14 +286,17 @@ void os_logging_config(){
 
   pid = (int)getpid();
 
-  if (OS_ReadXML(OSSECCONF, &xml) < 0){
-    flags.log_plain = 1;
-    flags.log_json = 0;
-    OS_ClearXML(&xml);
-    mlerror_exit(LOGLEVEL_ERROR, XML_ERROR, OSSECCONF, xml.err, xml.err_line);
-  }
-
-  logformat = OS_GetOneContentforElement(&xml, xmlf);
+//   TODO: replace function OS_ReadXML
+//   if (OS_ReadXML(OSSECCONF, &xml) < 0){
+//     flags.log_plain = 1;
+//     flags.log_json = 0;
+//     TODO: replace function OS_ClearXML
+//     OS_ClearXML(&xml);
+//     TODO: replace XML_ERROR
+//     mlerror_exit(LOGLEVEL_ERROR, XML_ERROR, OSSECCONF, xml.err, xml.err_line);
+//   }
+//   TODO: replace function OS_GetOneContentforElement
+//   logformat = OS_GetOneContentforElement(&xml, xmlf);
 
   if (!logformat || logformat[0] == '\0'){
 
@@ -301,16 +304,20 @@ void os_logging_config(){
     flags.log_json = 0;
 
     free(logformat);
-    OS_ClearXML(&xml);
-    mdebug1(XML_NO_ELEM, "log_format");
+    // TODO: replace function OS_ClearXML
+    // OS_ClearXML(&xml);
+    // TODO: replace XML_NO_ELEM
+    // mdebug1(XML_NO_ELEM, "log_format");
 
   }else{
 
-    parts = OS_StrBreak(',', logformat, 2);
+    // TODO: replace function OS_StrBreak
+    // parts = OS_StrBreak(',', logformat, 2);
     char * part;
     if (parts){
       for (i=0; parts[i]; i++){
-        part = w_strtrim(parts[i]);
+        // TODO: replace function w_strtrim
+        // part = w_strtrim(parts[i]);
         if (!strcmp(part, "plain")){
           flags.log_plain = 1;
         }else if(!strcmp(part, "json")){
@@ -318,7 +325,8 @@ void os_logging_config(){
         }else{
           flags.log_plain = 1;
           flags.log_json = 0;
-          mlerror_exit(LOGLEVEL_ERROR, XML_VALUEERR, "log_format", part);
+          // TODO: replace XML_VALUEERR
+        //   mlerror_exit(LOGLEVEL_ERROR, XML_VALUEERR, "log_format", part);
         }
       }
       for (i=0; parts[i]; i++){
@@ -328,7 +336,8 @@ void os_logging_config(){
     }
 
     free(logformat);
-    OS_ClearXML(&xml);
+    // TODO: replace function OS_ClearXML
+    // OS_ClearXML(&xml);
   }
 }
 
diff --git a/src/common/expression/include/expression.h b/src/common/expression/include/expression.h
index 342aeb8e5f..4ca4f19a3b 100644
--- a/src/common/expression/include/expression.h
+++ b/src/common/expression/include/expression.h
@@ -13,7 +13,6 @@
 #define PCRE2_CODE_UNIT_WIDTH 8
 
 #include <pcre2.h>
-#include "os_regex.h"
 #include "os_ip.h"
 
 #define OSMATCH_STR  "osmatch"
diff --git a/src/common/file_op/src/file_op.c b/src/common/file_op/src/file_op.c
index 4b8e9e8aab..dd609cfb53 100644
--- a/src/common/file_op/src/file_op.c
+++ b/src/common/file_op/src/file_op.c
@@ -2202,7 +2202,9 @@ int cldir_ex_ignore(const char * name, const char ** ignore) {
 
     while (dirent = readdir(dir), dirent) {
         // Skip "." and ".."
-        if ((dirent->d_name[0] == '.' && (dirent->d_name[1] == '\0' || (dirent->d_name[1] == '.' && dirent->d_name[2] == '\0'))) || w_str_in_array(dirent->d_name, ignore)) {
+        // TODO: replace function w_str_in_array
+        // if ((dirent->d_name[0] == '.' && (dirent->d_name[1] == '\0' || (dirent->d_name[1] == '.' && dirent->d_name[2] == '\0'))) || w_str_in_array(dirent->d_name, ignore)) {
+        if (dirent->d_name[0] == '.' && (dirent->d_name[1] == '\0' || (dirent->d_name[1] == '.' && dirent->d_name[2] == '\0'))) {
             continue;
         }
 
@@ -3449,25 +3451,30 @@ char *w_homedir(char *arg) {
 #ifdef __MACH__
     pid_t pid = getpid();
     if (proc_pidpath(pid, buff, PATH_MAX) > 0) {
-        buff = w_strtok_r_str_delim(delim, &buff);
+        // TODO: replace function w_strtok_r_str_delim
+        //buff = w_strtok_r_str_delim(delim, &buff);
     }
 #else
     if (realpath("/proc/self/exe", buff) != NULL) {
         dirname(buff);
-        buff = w_strtok_r_str_delim(delim, &buff);
+        // TODO: replace function w_strtok_r_str_delim
+        //buff = w_strtok_r_str_delim(delim, &buff);
     }
     else if (realpath("/proc/curproc/file", buff) != NULL) {
         dirname(buff);
-        buff = w_strtok_r_str_delim(delim, &buff);
+        // TODO: replace function w_strtok_r_str_delim
+        //buff = w_strtok_r_str_delim(delim, &buff);
     }
     else if (realpath("/proc/self/path/a.out", buff) != NULL) {
         dirname(buff);
-        buff = w_strtok_r_str_delim(delim, &buff);
+        // TODO: replace function w_strtok_r_str_delim
+        //buff = w_strtok_r_str_delim(delim, &buff);
     }
 #endif
     else if (realpath(arg, buff) != NULL) {
         dirname(buff);
-        buff = w_strtok_r_str_delim(delim, &buff);
+        // TODO: replace function w_strtok_r_str_delim
+        //buff = w_strtok_r_str_delim(delim, &buff);
     } else {
         // The path was not found so read WAZUH_HOME env var
         char * home_env = NULL;
diff --git a/src/common/os_net/src/os_net.c b/src/common/os_net/src/os_net.c
index 25d26dcd20..7b15e1f0e3 100644
--- a/src/common/os_net/src/os_net.c
+++ b/src/common/os_net/src/os_net.c
@@ -892,9 +892,10 @@ void resolve_hostname(char **hostname, int attempts) {
     char *f_ip;
 
     assert(hostname != NULL);
-    if (OS_IsValidIP(*hostname, NULL) == 1) {
-        return;
-    }
+    // TODO: replace function OS_IsValidIP
+    // if (OS_IsValidIP(*hostname, NULL) == 1) {
+    //     return;
+    // }
 
     tmp_str = strchr(*hostname, '/');
     if (tmp_str) {
@@ -1059,9 +1060,11 @@ int get_ipv6_string(struct in6_addr addr6, char *address, size_t address_size) {
     }
 #endif
 
-    if ((ret == OS_SUCCESS) && !OS_GetIPv4FromIPv6(address, IPSIZE)) {
-        OS_ExpandIPv6(address, IPSIZE);
-    }
+    // TODO: replace function OS_GetIPv4FromIPv6
+    // if ((ret == OS_SUCCESS) && !OS_GetIPv4FromIPv6(address, IPSIZE)) {
+        // TODO: replace function OS_ExpandIPv6
+        // OS_ExpandIPv6(address, IPSIZE);
+    // }
 
     return ret;
 }
diff --git a/src/common/pthreads_op/src/pthreads_op.c b/src/common/pthreads_op/src/pthreads_op.c
index 3d379e47a6..a83ccbbcba 100644
--- a/src/common/pthreads_op/src/pthreads_op.c
+++ b/src/common/pthreads_op/src/pthreads_op.c
@@ -29,7 +29,9 @@ int CreateThreadJoinable(pthread_t *lthread, void * (*function_pointer)(void *),
         return -1;
     }
 
-    read_size = 1024 * (size_t)getDefine_Int("wazuh", "thread_stack_size", 2048, 65536);
+    // TODO: replace function getDefine_Int
+    read_size = 1024 * (size_t)  65536;
+    // read_size = 1024 * (size_t)getDefine_Int("wazuh", "thread_stack_size", 2048, 65536);
 
     /* Set the maximum stack limit to new threads */
     if (pthread_attr_setstacksize(&attr, read_size)) {
diff --git a/src/common/string_op/src/string_op.c b/src/common/string_op/src/string_op.c
index 6397f8d8a8..dead17e87a 100644
--- a/src/common/string_op/src/string_op.c
+++ b/src/common/string_op/src/string_op.c
@@ -10,7 +10,6 @@
 
 #include "shared.h"
 #include "string.h"
-#include "os_regex.h"
 #include "string_op.h"
 
 #ifdef WIN32
diff --git a/src/common/utils/include/shared.h b/src/common/utils/include/shared.h
index 2ee7f2a699..d586d82ea3 100644
--- a/src/common/utils/include/shared.h
+++ b/src/common/utils/include/shared.h
@@ -119,17 +119,11 @@
 #include "mem_op.h"
 #include "privsep_op.h"
 #include "pthreads_op.h"
-#include "os_xml.h"
 #include "error_messages.h"
-#include "os_regex.h"
-#include "string_op.h"
 #include "binaries_op.h"
 #include "os_ip.h"
-#include "os_net.h"
-#include "expression.h"
 #include "randombytes.h"
 #include "bzip2_op.h"
-#include "validate_op.h"
 
 
 #ifndef LARGEFILE64_SOURCE
diff --git a/src/common/utils/tests/unit/wrappers/externals/pcre2/pcre2_wrappers.h b/src/common/utils/tests/unit/wrappers/externals/pcre2/pcre2_wrappers.h
index 4881f0fa2c..1659cd9619 100644
--- a/src/common/utils/tests/unit/wrappers/externals/pcre2/pcre2_wrappers.h
+++ b/src/common/utils/tests/unit/wrappers/externals/pcre2/pcre2_wrappers.h
@@ -14,7 +14,6 @@
 #define PCRE2_CODE_UNIT_WIDTH 8
 
 #include "shared.h"
-#include "expression.h"
 
 #define w_pcre2_match_data_create_from_pattern wrap_pcre2_match_data_create_from_pattern
 #define w_pcre2_match wrap_pcre2_match
diff --git a/src/common/validate_op/src/validate_op.c b/src/common/validate_op/src/validate_op.c
index 4aee999a04..415886b2ca 100644
--- a/src/common/validate_op/src/validate_op.c
+++ b/src/common/validate_op/src/validate_op.c
@@ -10,7 +10,6 @@
 
 #include "shared.h"
 #include "validate_op.h"
-#include "expression.h"
 #include "os_net.h"
 
 #ifdef WAZUH_UNIT_TESTING
diff --git a/src/common/version_op/src/version_op.c b/src/common/version_op/src/version_op.c
index 8001329ce6..ad35fa7ff2 100644
--- a/src/common/version_op/src/version_op.c
+++ b/src/common/version_op/src/version_op.c
@@ -716,7 +716,9 @@ os_info *get_unix_version()
                             char *key = strtok_r(buff, ":", &save_ptr);
                             if (key) {
                                 const char *expected_key = "System Version";
-                                char *trimmed_key = w_strtrim(key);
+                                // TODO: replace function w_strtrim
+                                // char *trimmed_key = w_strtrim(key);
+                                char *trimmed_key = key;
                                 if (NULL != trimmed_key && strncmp(trimmed_key, expected_key, strlen(expected_key)) == 0) {
                                     char *value = strtok_r(NULL, " ", &save_ptr);
                                     if (value) {
diff --git a/src/modules/fim/src/whodata/syscheck_audit.c b/src/modules/fim/src/whodata/syscheck_audit.c
index 78791d6e7e..74974bd0e7 100644
--- a/src/modules/fim/src/whodata/syscheck_audit.c
+++ b/src/modules/fim/src/whodata/syscheck_audit.c
@@ -16,7 +16,6 @@
 #include "../os_net/os_net.h"
 #include "syscheck_op.h"
 #include "audit_op.h"
-#include "string_op.h"
 
 #define AUDIT_RULES_FILE            "etc/audit_rules_wazuh.rules"
 #define AUDIT_RULES_LINK            "/etc/audit/rules.d/audit_rules_wazuh.rules"
diff --git a/src/modules/inventory/CMakeLists.txt b/src/modules/inventory/CMakeLists.txt
index 91d7da3f14..70f67a6609 100644
--- a/src/modules/inventory/CMakeLists.txt
+++ b/src/modules/inventory/CMakeLists.txt
@@ -24,11 +24,9 @@ target_include_directories(inventory PUBLIC
     ${COMMON_FOLDER}/file_op/include
     ${COMMON_FOLDER}/hashHelper/include
     ${COMMON_FOLDER}/logging_helper/include
-    ${COMMON_FOLDER}/os_xml/include
     ${COMMON_FOLDER}/privsep_op/include
     ${COMMON_FOLDER}/pthreads_op/include
     ${COMMON_FOLDER}/stringHelper/include
-    ${COMMON_FOLDER}/string_op/include
     ${COMMON_FOLDER}/time_op/include
     ${COMMON_FOLDER}/timeHelper/include
     ${COMMON_FOLDER}/utils)
@@ -48,7 +46,6 @@ target_link_libraries(inventory PUBLIC
     OpenSSL::SSL
     OpenSSL::Crypto
     utils
-    os_regex
     logging_helper
     pthreads_op
     MultiTypeQueue)
diff --git a/src/modules/inventory/src/inventory.cpp b/src/modules/inventory/src/inventory.cpp
index 01939c1ebd..4d6fc7e190 100644
--- a/src/modules/inventory/src/inventory.cpp
+++ b/src/modules/inventory/src/inventory.cpp
@@ -14,7 +14,6 @@
 #include <shared.h>
 #include <defs.h>
 #include <logging_helper.h>
-#include <string_op.h>
 #include <pthreads_op.h>
 
 #include <inventory.hpp>
diff --git a/src/modules/logcollector/include/journal_log.h b/src/modules/logcollector/include/journal_log.h
index 56b3206407..6db6a2a696 100644
--- a/src/modules/logcollector/include/journal_log.h
+++ b/src/modules/logcollector/include/journal_log.h
@@ -5,7 +5,6 @@
 #include "../config/localfile-config.h"
 
 #include "cJSON.h"
-#include "expression.h"
 
 /*******************************************************************************
  * NOTE: This module is not thread-safe.
diff --git a/src/modules/sca/src/wm_sca.c b/src/modules/sca/src/wm_sca.c
index f81c5dcf18..0e1458e17e 100644
--- a/src/modules/sca/src/wm_sca.c
+++ b/src/modules/sca/src/wm_sca.c
@@ -13,7 +13,6 @@
 #include <os_net/os_net.h>
 #include <sys/stat.h>
 #include "os_crypto/sha256/sha256_op.h"
-#include "expression.h"
 #include "shared.h"
 
 #undef minfo