diff --git a/McZapkie/Oerlikon_ESt.cpp b/McZapkie/Oerlikon_ESt.cpp
index d8d5b3da..8705000a 100644
--- a/McZapkie/Oerlikon_ESt.cpp
+++ b/McZapkie/Oerlikon_ESt.cpp
@@ -327,7 +327,7 @@ void TNESt3::Init( double const PP, double const HPP, double const LPP, double c
 double TNESt3::GetRapidRatio(double const Vel) const
 {
     // ESt3 has no rapid relay, and with disc brakes the rapid step stays engaged at all speeds
-    if( ( PrzekRapid == nullptr ) || ( true == RapidStaly ) ) {
+    if( ( PrzekRapid == nullptr ) || RapidStaly ) {
         return 1.0;
     }
     // a braking vehicle comes from above, so the step is still engaged down to the speed
diff --git a/vehicle/Driver.cpp b/vehicle/Driver.cpp
index 09b607b6..d75500db 100644
--- a/vehicle/Driver.cpp
+++ b/vehicle/Driver.cpp
@@ -6672,7 +6672,7 @@ TController::determine_proximity_ranges() {
         // na jaka odleglosc i z jaka predkoscia ma podjechac do przeszkody
         // jeśli pociąg
         if( is_train() ) {
-            if( true == IsAtPassengerStop ) {
+            if( IsAtPassengerStop ) {
                 // a stop point keeps the margins its W4 parameters (head or middle of the consist,
                 // platform length) were set up against
                 fMinProximityDist = std::clamp(  5 + iVehicles, 10, 15 );
@@ -7342,7 +7342,7 @@ TController::pick_optimal_speed( double const Range ) {
             is_car() ? -2.0 : -0.9,
             is_car() ? 2.0 : 0.9 );
 
-    if( ( true == is_train() )
+    if( is_train()
      && ( ( OrderCurrentGet() & Obey_train ) != 0 )
      && ( VelNext == 0.0 )
      && ( ActualProximityDist <= fMaxProximityDist )
@@ -7872,7 +7872,7 @@ TController::adjust_desired_speed_for_current_speed() {
                         -0.05 + fAccThreshold,
                         std::max( EU07_AI_NOACCELERATION, AccPreferred ) ) );
                 // HACK: for cargo trains with high braking threshold ensure we cross that threshold
-                if( true == IsCargoTrain
+                if( IsCargoTrain
                  && fBrake_a0[0] > 0.2
                  && speedestimate > holdlimit ) {
                     AccDesired -= std::clamp( fBrake_a0[ 0 ] - 0.2, 0.0, 0.15 );
diff --git a/vehicle/Driver.h b/vehicle/Driver.h
index 0e65a4b9..fefa950c 100644
--- a/vehicle/Driver.h
+++ b/vehicle/Driver.h
@@ -356,7 +356,7 @@ private:
     // how far short of a stop the AI aims: in train running the middle of the 8-15 m window before a signal,
     // otherwise (a W4 stop point, shunting, coupling) half the minimum proximity distance, as before
     double stopping_margin() const {
-        return ( ( OrderCurrentGet() & Obey_train ) != 0 ) && ( false == IsAtPassengerStop ) ?
+        return ( ( OrderCurrentGet() & Obey_train ) != 0 ) && !IsAtPassengerStop ?
             fMinProximityDist + 3.5 :
             0.5 * fMinProximityDist; }
     void apply_independent_brake_only();