diff --git a/PHI-CL/changelog.txt b/PHI-CL/changelog.txt
index e9870a1..b24f038 100644
--- a/PHI-CL/changelog.txt
+++ b/PHI-CL/changelog.txt
@@ -4,6 +4,7 @@ Date: 2025-05-24
 
   Changes:
     - [SA] Simplify some of the code logic in calculation.
+    - [SA] Support for adjusting efficiency module is dropped.
 
 ---------------------------------------------------------------------------------------------------
 Version: 3.0.106
diff --git a/PHI-CL/data.lua b/PHI-CL/data.lua
index 9179df2..9c6f0f7 100644
--- a/PHI-CL/data.lua
+++ b/PHI-CL/data.lua
@@ -214,12 +214,6 @@ if settings.startup['PHI-MI'].value then
         v.scale_energy_usage = (v.fast_replaceable_group and v.fast_replaceable_group == 'reactor')
     end
 
-    for _, v in pairs({data.raw['module']['efficiency-module'], data.raw['module']['efficiency-module-2'], data.raw['module']['efficiency-module-3']}) do
-        for _, v2 in pairs(v.effect) do
-            v2 = v2 * settings.startup['PHI-MI-EFFCY'].value / 10
-        end
-    end
-
     data.raw.recipe['landfill'].ingredients[1].amount = math.min(20, data.raw.recipe['landfill'].ingredients[1].amount)
 
     if settings.startup['PHI-MI-PIPE'].value then
@@ -573,10 +567,6 @@ if mods['space-age'] and ((settings.startup['PHI-SA'].value and settings.startup
     data.raw['module']['efficiency-module-2'].effect.consumption = -0.6
     data.raw['module']['efficiency-module-3'].effect.consumption = -0.9
 
-    for _, v in pairs({data.raw['module']['efficiency-module'], data.raw['module']['efficiency-module-2'], data.raw['module']['efficiency-module-3']}) do
-        v.effect.consumption = v.effect.consumption * settings.startup['PHI-MI-EFFCY'].value / 10
-    end
-
     data.raw.tile['space-platform-foundation'].max_health = data.raw.tile['space-platform-foundation'].max_health * 2
     data.raw.item['space-platform-foundation'].stack_size = 100
 
diff --git a/PHI-CL/locale/en/locale.cfg b/PHI-CL/locale/en/locale.cfg
index e066259..1196590 100644
--- a/PHI-CL/locale/en/locale.cfg
+++ b/PHI-CL/locale/en/locale.cfg
@@ -105,13 +105,12 @@ PHI-MB-EQUIPMENT-ARMOR=[color=54,228,255]MBQ2[/color]
 PHI-MB-EQUIPMENT-SIZE=[color=54,228,255]MBQ3[/color]
 
 PHI-MI=[color=255,254,42]MI[/color]
-PHI-MI-EFFCY=[color=54,228,255]MI1[/color]
-PHI-MI-PIPE=[color=54,228,255]MI2[/color]
-PHI-MI-ROBOT=[color=54,228,255]MI3[/color]
-PHI-MI-ROBOT-ENERGY=[color=54,228,255]MI4[/color]
-PHI-MI-TRAIN=[color=54,228,255]MI5[/color]
-PHI-MI-PIPE-EXTENT=[color=54,228,255]MI6[/color]
-PHI-MI-ROCKET-CAPACITY=[color=54,228,255]MI7[/color]
+PHI-MI-PIPE=[color=54,228,255]MI1[/color]
+PHI-MI-ROBOT=[color=54,228,255]MI2[/color]
+PHI-MI-ROBOT-ENERGY=[color=54,228,255]MI3[/color]
+PHI-MI-TRAIN=[color=54,228,255]MI4[/color]
+PHI-MI-PIPE-EXTENT=[color=54,228,255]MI5[/color]
+PHI-MI-ROCKET-CAPACITY=[color=54,228,255]MI6[/color]
 
 PHI-SA=[color=255,254,42]SA[/color]
 PHI-SA-SPOIL=[color=54,228,255]SA1[/color]
@@ -140,7 +139,6 @@ PHI-MB-EQUIPMENT-ARMOR=Enable armor
 PHI-MB-EQUIPMENT-SIZE=Small equipment
 
 PHI-MI=[color=255,254,42]Miscellaneous change[/color]
-PHI-MI-EFFCY=Efficiency module efficiency ratio
 PHI-MI-PIPE=Pipe efficiency
 PHI-MI-ROBOT=Robot efficiency
 PHI-MI-ROBOT-ENERGY=Nuclear fussion robot
diff --git a/PHI-CL/locale/ja/locale.cfg b/PHI-CL/locale/ja/locale.cfg
index e06dbcd..514731a 100644
--- a/PHI-CL/locale/ja/locale.cfg
+++ b/PHI-CL/locale/ja/locale.cfg
@@ -105,7 +105,6 @@ PHI-MB-EQUIPMENT-ARMOR=アーマーを有効にする
 PHI-MB-EQUIPMENT-SIZE=小さなアーマー設備
 
 PHI-MI=[color=255,254,42]その他の変更[/color]
-PHI-MI-EFFCY=エネルギーモジュール効率マルチプライヤ
 PHI-MI-PIPE=パイプ効率
 PHI-MI-ROBOT=ロボット効率
 PHI-MI-ROBOT-ENERGY=核融合ロボット
diff --git a/PHI-CL/locale/zh-CN/locale.cfg b/PHI-CL/locale/zh-CN/locale.cfg
index 9b5e008..e75deb1 100644
--- a/PHI-CL/locale/zh-CN/locale.cfg
+++ b/PHI-CL/locale/zh-CN/locale.cfg
@@ -105,7 +105,6 @@ PHI-MB-EQUIPMENT-ARMOR=啟用護甲
 PHI-MB-EQUIPMENT-SIZE=小型裝甲裝備
 
 PHI-MI=[color=255,254,42]雜項小變化[/color]
-PHI-MI-EFFCY=節能組件效率倍數
 PHI-MI-PIPE=水管效率
 PHI-MI-ROBOT=無人機效率
 PHI-MI-ROBOT-ENERGY=核融合無人機
diff --git a/PHI-CL/locale/zh-TW/locale.cfg b/PHI-CL/locale/zh-TW/locale.cfg
index 9b5e008..e75deb1 100644
--- a/PHI-CL/locale/zh-TW/locale.cfg
+++ b/PHI-CL/locale/zh-TW/locale.cfg
@@ -105,7 +105,6 @@ PHI-MB-EQUIPMENT-ARMOR=啟用護甲
 PHI-MB-EQUIPMENT-SIZE=小型裝甲裝備
 
 PHI-MI=[color=255,254,42]雜項小變化[/color]
-PHI-MI-EFFCY=節能組件效率倍數
 PHI-MI-PIPE=水管效率
 PHI-MI-ROBOT=無人機效率
 PHI-MI-ROBOT-ENERGY=核融合無人機
diff --git a/PHI-CL/settings.lua b/PHI-CL/settings.lua
index b360040..20b489d 100644
--- a/PHI-CL/settings.lua
+++ b/PHI-CL/settings.lua
@@ -80,15 +80,6 @@ data:extend({
   default_value = false,
   localised_name = {'phi-cl.combine', {'mod-setting-name-prefix.PHI-MI'}, {'mod-setting-name.PHI-MI'}},
   order = 'B00'
-}, {
-  type = 'int-setting',
-  name = 'PHI-MI-EFFCY',
-  setting_type = 'startup',
-  default_value = 10,
-  minimum_value = 1,
-  maximum_value = 1000,
-  localised_name = {'phi-cl.combine', {'mod-setting-name-prefix.PHI-MI-EFFCY'}, {'mod-setting-name.PHI-MI-EFFCY'}},
-  order = 'B01'
 }, {
   type = 'int-setting',
   name = 'PHI-MI-PIPE',
@@ -97,7 +88,7 @@ data:extend({
   minimum_value = 1,
   maximum_value = 1000,
   localised_name = {'phi-cl.combine', {'mod-setting-name-prefix.PHI-MI-PIPE'}, {'mod-setting-name.PHI-MI-PIPE'}},
-  order = 'B02'
+  order = 'B01'
 }, {
   type = 'int-setting',
   name = 'PHI-MI-ROBOT',
@@ -106,14 +97,14 @@ data:extend({
   minimum_value = 1,
   maximum_value = 1000,
   localised_name = {'phi-cl.combine', {'mod-setting-name-prefix.PHI-MI-ROBOT'}, {'mod-setting-name.PHI-MI-ROBOT'}},
-  order = 'B03'
+  order = 'B02'
 }, {
   type = 'bool-setting',
   name = 'PHI-MI-ROBOT-ENERGY',
   setting_type = 'startup',
   default_value = false,
   localised_name = {'phi-cl.combine', {'mod-setting-name-prefix.PHI-MI-ROBOT-ENERGY'}, {'mod-setting-name.PHI-MI-ROBOT-ENERGY'}},
-  order = 'B04'
+  order = 'B03'
 }, {
   type = 'int-setting',
   name = 'PHI-MI-TRAIN',
@@ -122,7 +113,7 @@ data:extend({
   minimum_value = 1,
   maximum_value = 1000,
   localised_name = {'phi-cl.combine', {'mod-setting-name-prefix.PHI-MI-TRAIN'}, {'mod-setting-name.PHI-MI-TRAIN'}},
-  order = 'B05'
+  order = 'B04'
 }, {
   type = 'int-setting',
   name = 'PHI-MI-PIPE-EXTENT',
@@ -131,7 +122,7 @@ data:extend({
   minimum_value = 80,
   maximum_value = 10240,
   localised_name = {'phi-cl.combine', {'mod-setting-name-prefix.PHI-MI-PIPE-EXTENT'}, {'mod-setting-name.PHI-MI-PIPE-EXTENT'}},
-  order = 'B06'
+  order = 'B05'
 }, {
   type = 'int-setting',
   name = 'PHI-MI-ROCKET-CAPACITY',
@@ -140,7 +131,7 @@ data:extend({
   minimum_value = 1,
   maximum_value = 10000,
   localised_name = {'phi-cl.combine', {'mod-setting-name-prefix.PHI-MI-ROCKET-CAPACITY'}, {'mod-setting-name.PHI-MI-ROCKET-CAPACITY'}},
-  order = 'B07'
+  order = 'B06'
 }, {
   type = 'bool-setting',
   name = 'PHI-SA',