diff --git a/esphome/components/tlc59208f/tlc59208f_output.cpp b/esphome/components/tlc59208f/tlc59208f_output.cpp
index 85311a877c..d35585fe5f 100644
--- a/esphome/components/tlc59208f/tlc59208f_output.cpp
+++ b/esphome/components/tlc59208f/tlc59208f_output.cpp
@@ -26,17 +26,7 @@ const uint8_t TLC59208F_MODE1_SUB3 = (1 << 1);
 // 0: device doesn't respond to i2c all-call 3, 1*: responds to all-call
 const uint8_t TLC59208F_MODE1_ALLCALL = (1 << 0);
 
-// 0*: Group dimming, 1: Group blinking
-const uint8_t TLC59208F_MODE2_DMBLNK = (1 << 5);
-// 0*: Output change on Stop command, 1: Output change on ACK
-const uint8_t TLC59208F_MODE2_OCH = (1 << 3);
-// 0*: WDT disabled, 1: WDT enabled
-const uint8_t TLC59208F_MODE2_WDTEN = (1 << 2);
-// WDT timeouts
-const uint8_t TLC59208F_MODE2_WDT_5MS = (0 << 0);
-const uint8_t TLC59208F_MODE2_WDT_15MS = (1 << 0);
-const uint8_t TLC59208F_MODE2_WDT_25MS = (2 << 0);
-const uint8_t TLC59208F_MODE2_WDT_35MS = (3 << 0);
+// TLC59208F MODE2 constants are now inline constexpr in tlc59208f_output.h
 
 // --- Special function ---
 // Call address to perform software reset, no devices will ACK
diff --git a/esphome/components/tlc59208f/tlc59208f_output.h b/esphome/components/tlc59208f/tlc59208f_output.h
index 68ca8061d7..34663cd364 100644
--- a/esphome/components/tlc59208f/tlc59208f_output.h
+++ b/esphome/components/tlc59208f/tlc59208f_output.h
@@ -9,16 +9,16 @@ namespace esphome {
 namespace tlc59208f {
 
 // 0*: Group dimming, 1: Group blinking
-extern const uint8_t TLC59208F_MODE2_DMBLNK;
+inline constexpr uint8_t TLC59208F_MODE2_DMBLNK = (1 << 5);
 // 0*: Output change on Stop command, 1: Output change on ACK
-extern const uint8_t TLC59208F_MODE2_OCH;
+inline constexpr uint8_t TLC59208F_MODE2_OCH = (1 << 3);
 // 0*: WDT disabled, 1: WDT enabled
-extern const uint8_t TLC59208F_MODE2_WDTEN;
+inline constexpr uint8_t TLC59208F_MODE2_WDTEN = (1 << 2);
 // WDT timeouts
-extern const uint8_t TLC59208F_MODE2_WDT_5MS;
-extern const uint8_t TLC59208F_MODE2_WDT_15MS;
-extern const uint8_t TLC59208F_MODE2_WDT_25MS;
-extern const uint8_t TLC59208F_MODE2_WDT_35MS;
+inline constexpr uint8_t TLC59208F_MODE2_WDT_5MS = (0 << 0);
+inline constexpr uint8_t TLC59208F_MODE2_WDT_15MS = (1 << 0);
+inline constexpr uint8_t TLC59208F_MODE2_WDT_25MS = (2 << 0);
+inline constexpr uint8_t TLC59208F_MODE2_WDT_35MS = (3 << 0);
 
 class TLC59208FOutput;