diff --git a/platformio.ini b/platformio.ini
index 75f38fae..8a15cfeb 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -961,7 +961,6 @@ lib_deps_V4_M =
   paulstoffregen/OneWire@ ^2.3.7 ; used for USERMOD_DALLASTEMPERATURE -> need newer release with bugfixes for -S3; still requires TEMPERATURE_PIN < 46
   olikraus/U8g2@ ^2.34.5 ; used for USERMOD_FOUR_LINE_DISPLAY -> need newer version with bugfixes for arduino-esp32 v2.0.4 (Wire inititialization) 
   ${common_mm.animartrix_lib_deps}
-  https://github.com/pixelmatix/SmartMatrix.git @ 4.0.3
 
 build_flags_XL = 
   -D USERMOD_WEATHER ; WLEDMM usermod
@@ -1037,7 +1036,7 @@ platform = ${esp32.platformV4}
 platform_packages = 
   ${esp32.platformV4_packages}
   toolchain-xtensa-esp32 @ 8.4.0+2021r2-patch5 ; align main tools with riscV tools
-build_unflags = ${common.build_unflags}
+build_unflags = ${common.build_unflags} -D WLED_ENABLE_SMARTMATRIX
 build_flags = ${common.build_flags} ${esp32.build_flagsV4} ${common_mm.build_flags_S}
   -Wno-misleading-indentation -Wno-format-truncation 
   -Wshadow=compatible-local ;; emit warning in case a local variable "shadows" another local one