diff --git a/units/UAB4202/UAB4202_unit.bp b/units/UAB4202/UAB4202_unit.bp
index 74868e1dd4..f10297db67 100644
--- a/units/UAB4202/UAB4202_unit.bp
+++ b/units/UAB4202/UAB4202_unit.bp
@@ -96,7 +96,6 @@ UnitBlueprint{
     Economy = {
         BuildCostEnergy = 5760,
         BuildCostMass = 480,
-        BuildRate = 13.66,
         BuildTime = 950,
         MaintenanceConsumptionPerSecondEnergy = 150,
         RebuildBonusIds = {
diff --git a/units/UEB4202/UEB4202_unit.bp b/units/UEB4202/UEB4202_unit.bp
index 46cf715144..dda381e973 100644
--- a/units/UEB4202/UEB4202_unit.bp
+++ b/units/UEB4202/UEB4202_unit.bp
@@ -92,7 +92,7 @@ UnitBlueprint{
     Economy = {
         BuildCostEnergy = 6000,
         BuildCostMass = 600,
-        BuildRate = 19.95,
+        BuildRate = 20,
         BuildTime = 1150,
         BuildableCategory = { "ueb4301" },
         MaintenanceConsumptionPerSecondEnergy = 200,
diff --git a/units/UEB4301/UEB4301_unit.bp b/units/UEB4301/UEB4301_unit.bp
index 50c5c7be7f..208c251fac 100644
--- a/units/UEB4301/UEB4301_unit.bp
+++ b/units/UEB4301/UEB4301_unit.bp
@@ -85,7 +85,7 @@ UnitBlueprint{
     Economy = {
         BuildCostEnergy = 55000,
         BuildCostMass = 3300,
-        BuildTime = 4988,
+        BuildTime = 5000,
         MaintenanceConsumptionPerSecondEnergy = 400,
         RebuildBonusIds = { "ueb4301" },
     },
diff --git a/units/XSB4202/XSB4202_unit.bp b/units/XSB4202/XSB4202_unit.bp
index de4a0490ad..0181b2c670 100644
--- a/units/XSB4202/XSB4202_unit.bp
+++ b/units/XSB4202/XSB4202_unit.bp
@@ -102,7 +102,7 @@ UnitBlueprint{
     Economy = {
         BuildCostEnergy = 7000,
         BuildCostMass = 700,
-        BuildRate = 12.98,
+        BuildRate = 20,
         BuildTime = 1250,
         BuildableCategory = { "xsb4301" },
         MaintenanceConsumptionPerSecondEnergy = 250,
diff --git a/units/XSB4301/XSB4301_unit.bp b/units/XSB4301/XSB4301_unit.bp
index 7d0ff5f4a8..71ffb971bd 100644
--- a/units/XSB4301/XSB4301_unit.bp
+++ b/units/XSB4301/XSB4301_unit.bp
@@ -97,7 +97,7 @@ UnitBlueprint{
     Economy = {
         BuildCostEnergy = 60000,
         BuildCostMass = 3600,
-        BuildTime = 5841,
+        BuildTime = 5800,
         MaintenanceConsumptionPerSecondEnergy = 500,
         RebuildBonusIds = { "xsb4301" },
     },