diff --git a/esphome/components/modem/modem_component.cpp b/esphome/components/modem/modem_component.cpp
index fcd10e7c71..d6eb35ba3a 100644
--- a/esphome/components/modem/modem_component.cpp
+++ b/esphome/components/modem/modem_component.cpp
@@ -51,6 +51,8 @@ ModemComponent::ModemComponent() {
   global_modem_component = this;
 }
 
+void ModemComponent::enable_debug() { esp_log_level_set("command_lib", ESP_LOG_VERBOSE); }
+
 std::string ModemComponent::send_at(const std::string &cmd) {
   std::string result = "ERROR";
   command_result status = command_result::FAIL;
diff --git a/esphome/components/modem/modem_component.h b/esphome/components/modem/modem_component.h
index 380c8153a6..ee13f0021a 100644
--- a/esphome/components/modem/modem_component.h
+++ b/esphome/components/modem/modem_component.h
@@ -61,7 +61,7 @@ class ModemComponent : public Component {
   void set_gnss_power_command(const std::string &at_command) { this->gnss_power_command_ = at_command; }
   void set_not_responding_cb(Trigger<> *not_responding_cb) { this->not_responding_cb_ = not_responding_cb; }
   void enable_cmux() { this->cmux_ = true; }
-  void enable_debug() { esp_log_level_set("command_lib", ESP_LOG_VERBOSE); }
+  void enable_debug();
   void add_init_at_command(const std::string &cmd) { this->init_at_commands_.push_back(cmd); }
   bool is_connected() { return this->component_state_ == ModemComponentState::CONNECTED; }
   bool is_disabled() { return this->component_state_ == ModemComponentState::DISABLED; }
diff --git a/esphome/components/modem/sensor/__init__.py b/esphome/components/modem/sensor/__init__.py
index 312bd32811..c47f2db8c0 100644
--- a/esphome/components/modem/sensor/__init__.py
+++ b/esphome/components/modem/sensor/__init__.py
@@ -1,10 +1,5 @@
 import esphome.codegen as cg
 from esphome.components import sensor
-from esphome.components.modem import (
-    CONF_ENABLE_GNSS,
-    CONF_MODEM,
-    final_validate_platform,
-)
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_ALTITUDE,
@@ -20,6 +15,8 @@ from esphome.const import (
 )
 import esphome.final_validate as fv
 
+from .. import CONF_ENABLE_GNSS, CONF_MODEM, final_validate_platform
+
 CODEOWNERS = ["@oarcher"]
 
 AUTO_LOAD = []
diff --git a/esphome/components/modem/sensor/modem_sensor.cpp b/esphome/components/modem/sensor/modem_sensor.cpp
index d87dfd04b6..0a02a191f4 100644
--- a/esphome/components/modem/sensor/modem_sensor.cpp
+++ b/esphome/components/modem/sensor/modem_sensor.cpp
@@ -10,7 +10,7 @@
 #include "esphome/core/log.h"
 #include "esphome/core/application.h"
 
-#include "esphome/components/modem/modem_component.h"
+#include "../modem_component.h"
 
 #include <string>
 #include <vector>
diff --git a/esphome/components/modem/text_sensor/__init__.py b/esphome/components/modem/text_sensor/__init__.py
index 7922bfca6d..e9bf8db953 100644
--- a/esphome/components/modem/text_sensor/__init__.py
+++ b/esphome/components/modem/text_sensor/__init__.py
@@ -1,9 +1,10 @@
 import esphome.codegen as cg
 from esphome.components import text_sensor
-from esphome.components.modem import final_validate_platform
 import esphome.config_validation as cv
 from esphome.const import CONF_ID, DEVICE_CLASS_EMPTY
 
+from .. import final_validate_platform
+
 CODEOWNERS = ["@oarcher"]
 
 AUTO_LOAD = []
diff --git a/esphome/components/modem/text_sensor/modem_text_sensor.cpp b/esphome/components/modem/text_sensor/modem_text_sensor.cpp
index d1cf2088bc..5db9887a51 100644
--- a/esphome/components/modem/text_sensor/modem_text_sensor.cpp
+++ b/esphome/components/modem/text_sensor/modem_text_sensor.cpp
@@ -10,8 +10,7 @@
 #include "esphome/core/log.h"
 #include "esphome/core/application.h"
 
-// #include "esphome/components/watchdog/watchdog.h"
-#include "esphome/components/modem/modem_component.h"
+#include "../modem_component.h"
 
 #define ESPHL_ERROR_CHECK(err, message) \
   if ((err) != ESP_OK) { \