diff --git a/platformio_tasmota32.ini b/platformio_tasmota32.ini
index c05369354..89ad00445 100644
--- a/platformio_tasmota32.ini
+++ b/platformio_tasmota32.ini
@@ -16,6 +16,9 @@ build_flags                 = ${esp_defaults.build_flags}
                               -Wno-switch-unreachable
                               -Wno-stringop-overflow
                               -fno-exceptions
+                              -ffunction-sections
+                              -fdata-sections
+                              -Wl,--gc-sections
                               -DBUFFER_LENGTH=128
                               -DHTTP_UPLOAD_BUFLEN=2048
                               -DMQTT_MAX_PACKET_SIZE=1200