diff --git a/src/app/tools/tankopedia/[id]/components/Model/TankDisplay.tsx b/src/app/tools/tankopedia/[id]/components/Model/TankDisplay.tsx
index 1c729cdb9..2211f5e9c 100644
--- a/src/app/tools/tankopedia/[id]/components/Model/TankDisplay.tsx
+++ b/src/app/tools/tankopedia/[id]/components/Model/TankDisplay.tsx
@@ -36,7 +36,6 @@ export function TankDisplay() {
   const [isFullScreen, setIsFullScreen] = useState(false);
   const mode = useTankopedia((state) => state.mode);
   const showGrid = useTankopedia((state) => state.model.showGrid);
-  const opaqueArmor = useTankopedia((state) => state.model.opaqueArmor);
   const showSpacedArmor = useTankopedia((state) => state.model.showSpacedArmor);
   const protagonist = useTankopedia((state) => {
     if (!state.areTanksAssigned) return;
@@ -174,17 +173,6 @@ export function TankDisplay() {
                     Show grid
                   </DropdownMenu.CheckboxItem>
 
-                  <DropdownMenu.CheckboxItem
-                    checked={opaqueArmor}
-                    onCheckedChange={(checked) => {
-                      mutateTankopedia((draft) => {
-                        draft.model.opaqueArmor = checked;
-                      });
-                    }}
-                  >
-                    Opaque armor
-                  </DropdownMenu.CheckboxItem>
-
                   <DropdownMenu.CheckboxItem
                     checked={showSpacedArmor}
                     onCheckedChange={(checked) => {
diff --git a/src/components/ArmorMesh/index.tsx b/src/components/ArmorMesh/index.tsx
index 21848a2f1..0c320d30b 100644
--- a/src/components/ArmorMesh/index.tsx
+++ b/src/components/ArmorMesh/index.tsx
@@ -1,9 +1,7 @@
 import { MeshProps } from '@react-three/fiber';
 import { MeshStandardMaterial } from 'three';
 import CustomShaderMaterial from 'three-custom-shader-material';
-import { useTankopedia } from '../../stores/tankopedia';
 import fragment from './shaders/fragment.glsl';
-import fragmentOpaque from './shaders/fragmentOpaque.glsl';
 import vertex from './shaders/vertex.glsl';
 
 interface ArmorMeshProps extends MeshProps {
@@ -32,8 +30,6 @@ export function ArmorMesh({
   spaced = false,
   ...props
 }: ArmorMeshProps) {
-  const opaqueArmor = useTankopedia((state) => state.model.opaqueArmor);
-
   return (
     <>
       {!spaced && (
@@ -67,7 +63,7 @@ export function ArmorMesh({
             isAffectedBySpaced: { value: isAffectedBySpaced },
           }}
           vertexShader={vertex}
-          fragmentShader={opaqueArmor && !spaced ? fragmentOpaque : fragment}
+          fragmentShader={fragment}
         />
       </mesh>
     </>
diff --git a/src/components/ArmorMesh/shaders/fragment.glsl b/src/components/ArmorMesh/shaders/fragment.glsl
index b13bde55c..12866bf0d 100644
--- a/src/components/ArmorMesh/shaders/fragment.glsl
+++ b/src/components/ArmorMesh/shaders/fragment.glsl
@@ -49,7 +49,14 @@ void main() {
     if (spaced) {
       csm_FragColor = vec4(1.0, 0.0, 1.0, 0.5);
     } else {
-      csm_FragColor = vec4(1.0, 0.392, 0.0, alpha);
+      float angledThickness = thickness / cos(angle);
+
+      if (angledThickness * (5.0 / 11.0) > penetration) {
+        csm_FragColor = vec4(1.0, 0.0, 0.0, alpha);
+      } else {
+        csm_FragColor = vec4(1.0, 0.392, 0.0, alpha);
+      }
+
     }
   } else {
     if (spaced) {
diff --git a/src/components/ArmorMesh/shaders/fragmentOpaque.glsl b/src/components/ArmorMesh/shaders/fragmentOpaque.glsl
deleted file mode 100644
index 894a4386d..000000000
--- a/src/components/ArmorMesh/shaders/fragmentOpaque.glsl
+++ /dev/null
@@ -1,62 +0,0 @@
-// split shaders due to https://github.com/FarazzShaikh/THREE-CustomShaderMaterial/issues/48
-
-varying vec3 vCSMViewPosition;
-uniform float thickness;
-uniform float penetration;
-uniform float ricochet;
-uniform float caliber;
-uniform float normalization;
-uniform bool canRichochet;
-uniform bool canSplash;
-
-void main() {
-  vec3 normalizedNormal = normalize(vNormal);
-  vec3 normalizedViewPosition = normalize(vCSMViewPosition);
-  float dotProduct = dot(normalizedNormal, -normalizedViewPosition);
-  float angle = acos(dotProduct);
-
-  float penetrationChance = -1.0;
-  bool threeCaliberRule = caliber > 3.0 * thickness;
-
-  if (canRichochet && !threeCaliberRule && angle >= ricochet) {
-    // auto ricochet angle and three caliber rule not met
-    penetrationChance = 0.0;
-  } else {
-    bool twoCaliberRule = caliber > 2.0 * thickness;
-    float finalNormalization = twoCaliberRule ? (normalization * 1.4 * caliber) / (2.0 * thickness) : normalization;
-    float effectiveArmor = thickness / cos(angle - finalNormalization);
-    float penetrationRandomRadius = penetration * 0.05;
-    float penetrationDifference = effectiveArmor - penetration;
-
-    if (penetrationDifference > penetrationRandomRadius) {
-        // even with a +5% buff, can't penetrate
-      penetrationChance = 0.0;
-    } else if (penetrationDifference < -penetrationRandomRadius) {
-        // event with a -5% nerf, can penetrate
-      penetrationChance = 1.0;
-    } else {
-        // penetration gradiant
-      penetrationChance = 1.0 - (penetrationDifference + penetrationRandomRadius) / (2.0 * penetrationRandomRadius);
-    }
-  }
-
-  if (canSplash) {
-    float h = mix(20.0 / 360.0, 1.0 / PI, penetrationChance);
-    float s = 1.0;
-    float v = 1.0;
-    vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
-    vec3 p = abs(fract(h + K.xyz) * 6.0 - K.www);
-    vec3 rgb = v * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), s);
-
-    csm_DiffuseColor = vec4(rgb, 1.0);
-  } else {
-    float h = mix(0.0, 1.0 / PI, penetrationChance);
-    float s = 1.0;
-    float v = 1.0;
-    vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
-    vec3 p = abs(fract(h + K.xyz) * 6.0 - K.www);
-    vec3 rgb = v * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), s);
-
-    csm_DiffuseColor = vec4(rgb, 1.0);
-  }
-}
\ No newline at end of file
diff --git a/src/stores/tankopedia.ts b/src/stores/tankopedia.ts
index 292c16f0f..ff28a2009 100644
--- a/src/stores/tankopedia.ts
+++ b/src/stores/tankopedia.ts
@@ -32,7 +32,6 @@ type Tankopedia = {
     gunPitch: number;
     controlsEnabled: boolean;
     showGrid: boolean;
-    opaqueArmor: boolean;
     showSpacedArmor: boolean;
   };
   mode: TankopediaMode;
@@ -72,7 +71,6 @@ export const useTankopedia = create<Tankopedia>()(() => ({
     turretYaw: 0,
     controlsEnabled: true,
     showGrid: true,
-    opaqueArmor: false,
     showSpacedArmor: true,
   },
   areTanksAssigned: false,