diff --git a/firmware/ini/rusefi_wb_f1.ini b/firmware/ini/rusefi_wb_f1.ini
index d206f20..eff1287 100644
--- a/firmware/ini/rusefi_wb_f1.ini
+++ b/firmware/ini/rusefi_wb_f1.ini
@@ -23,10 +23,7 @@ enable2ndByteCanID = false
    useLegacyFTempUnits = false
    ignoreMissingBitOptions = true
 
-   ; Optimize comms for fast rusEFI ECUs
-   noCommReadDelay = true;
    defaultRuntimeRecordPerSec = 50;
-   maxUnusedRuntimeRange = 1000;
 
 [Constants]
 ; new packet serial format with CRC
diff --git a/firmware/ini/rusefi_wb_f1_dual.ini b/firmware/ini/rusefi_wb_f1_dual.ini
index fe50d25..f28891a 100644
--- a/firmware/ini/rusefi_wb_f1_dual.ini
+++ b/firmware/ini/rusefi_wb_f1_dual.ini
@@ -23,10 +23,7 @@ enable2ndByteCanID = false
    useLegacyFTempUnits = false
    ignoreMissingBitOptions = true
 
-   ; Optimize comms for fast rusEFI ECUs
-   noCommReadDelay = true;
    defaultRuntimeRecordPerSec = 50;
-   maxUnusedRuntimeRange = 1000;
 
 [Constants]
 ; new packet serial format with CRC