diff --git a/Gems/AtomContent/LookDevelopmentStudioPixar/Assets/Materials/baseboards.material b/Gems/AtomContent/LookDevelopmentStudioPixar/Assets/Materials/baseboards.material
index f75490c2ad..dee6ded191 100644
--- a/Gems/AtomContent/LookDevelopmentStudioPixar/Assets/Materials/baseboards.material
+++ b/Gems/AtomContent/LookDevelopmentStudioPixar/Assets/Materials/baseboards.material
@@ -37,9 +37,6 @@
             "factor": 0.4343433976173401,
             "textureMap": "Materials/Bricks038_8K/Bricks038_8K_Roughness.png",
             "useTexture": false
-        },
-        "subsurfaceScattering": {
-            "useThicknessMap": false
         }
     }
 }
diff --git a/Gems/AtomContent/LookDevelopmentStudioPixar/Assets/Objects/Lighthead_lightfacingemissive.material b/Gems/AtomContent/LookDevelopmentStudioPixar/Assets/Objects/Lighthead_lightfacingemissive.material
index 21cb12a82c..ddc298a08b 100644
--- a/Gems/AtomContent/LookDevelopmentStudioPixar/Assets/Objects/Lighthead_lightfacingemissive.material
+++ b/Gems/AtomContent/LookDevelopmentStudioPixar/Assets/Objects/Lighthead_lightfacingemissive.material
@@ -18,15 +18,6 @@
         },
         "opacity": {
             "factor": 1.0
-        },
-        "subsurfaceScattering": {
-            "enableSubsurfaceScattering": true,
-            "quality": 1.0,
-            "scatterDistance": 2.626262664794922,
-            "subsurfaceScatterFactor": 1.0,
-            "thickness": 0.1414141058921814,
-            "transmissionMode": "ThinObject",
-            "transmissionScale": 1.8181817531585694
         }
     }
 }
diff --git a/Gems/AtomContent/LookDevelopmentStudioPixar/Assets/Objects/PlayfulTeapot_playfulteapot.material b/Gems/AtomContent/LookDevelopmentStudioPixar/Assets/Objects/PlayfulTeapot_playfulteapot.material
index b46dd709b1..27540c587e 100644
--- a/Gems/AtomContent/LookDevelopmentStudioPixar/Assets/Objects/PlayfulTeapot_playfulteapot.material
+++ b/Gems/AtomContent/LookDevelopmentStudioPixar/Assets/Objects/PlayfulTeapot_playfulteapot.material
@@ -31,18 +31,6 @@
         },
         "roughness": {
             "factor": 0.0
-        },
-        "subsurfaceScattering": {
-            "enableSubsurfaceScattering": true,
-            "quality": 1.0,
-            "scatterColor": [
-                0.045288778841495517,
-                0.24347294867038728,
-                0.2060578316450119,
-                1.0
-            ],
-            "scatterDistance": 4.040403842926025,
-            "subsurfaceScatterFactor": 0.5
         }
     }
 }
diff --git a/Gems/AtomContent/ReferenceMaterials/Assets/Materials/Copper/copper.material b/Gems/AtomContent/ReferenceMaterials/Assets/Materials/Copper/copper.material
index 4489e12c4d..80b7ea29f3 100644
--- a/Gems/AtomContent/ReferenceMaterials/Assets/Materials/Copper/copper.material
+++ b/Gems/AtomContent/ReferenceMaterials/Assets/Materials/Copper/copper.material
@@ -20,11 +20,6 @@
         },
         "roughness": {
             "factor": 0.20202019810676576
-        },
-        "subsurfaceScattering": {
-            "quality": 0.329292893409729,
-            "scatterDistance": 6.666666507720947,
-            "subsurfaceScatterFactor": 0.9595959782600403
         }
     }
 }
diff --git a/Gems/AtomContent/ReferenceMaterials/Assets/Materials/Plaster/plaster.material b/Gems/AtomContent/ReferenceMaterials/Assets/Materials/Plaster/plaster.material
index 3121fdac24..cdf76f612d 100644
--- a/Gems/AtomContent/ReferenceMaterials/Assets/Materials/Plaster/plaster.material
+++ b/Gems/AtomContent/ReferenceMaterials/Assets/Materials/Plaster/plaster.material
@@ -28,17 +28,6 @@
         },
         "specularF0": {
             "factor": 1.0
-        },
-        "subsurfaceScattering": {
-            "quality": 0.9838383793830872,
-            "scatterColor": [
-                0.143602654337883,
-                0.012634470127522946,
-                0.0005798428319394589,
-                1.0
-            ],
-            "scatterDistance": 18.383838653564454,
-            "subsurfaceScatterFactor": 0.1414141058921814
         }
     }
 }
diff --git a/Gems/AtomContent/ReferenceMaterials/Assets/Materials/Plastic_01/plastic_01.material b/Gems/AtomContent/ReferenceMaterials/Assets/Materials/Plastic_01/plastic_01.material
index e953d04238..227017e1ab 100644
--- a/Gems/AtomContent/ReferenceMaterials/Assets/Materials/Plastic_01/plastic_01.material
+++ b/Gems/AtomContent/ReferenceMaterials/Assets/Materials/Plastic_01/plastic_01.material
@@ -25,17 +25,6 @@
         },
         "specularF0": {
             "factor": 1.0
-        },
-        "subsurfaceScattering": {
-            "quality": 0.9838383793830872,
-            "scatterColor": [
-                0.143602654337883,
-                0.012634470127522946,
-                0.0005798428319394589,
-                1.0
-            ],
-            "scatterDistance": 18.383838653564454,
-            "subsurfaceScatterFactor": 0.1414141058921814
         }
     }
 }
diff --git a/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_ceiling.material b/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_ceiling.material
index 95d08d398b..88730c9556 100644
--- a/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_ceiling.material
+++ b/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_ceiling.material
@@ -4,20 +4,15 @@
     "parentMaterial": "",
     "propertyLayoutVersion": 3,
     "properties": {
-        "occlusion": {
-            "diffuseTextureMap": "Textures/ceiling_1k_ao.png"
-        },
         "baseColor": {
-            "textureBlendMode": "Lerp",
+            "color": [
+                0.800000011920929,
+                0.800000011920929,
+                0.800000011920929,
+                1.0
+            ],
             "textureMap": "Textures/ceiling_1k_basecolor.png"
         },
-        "clearCoat": {
-            "enable": true,
-            "factor": 0.5,
-            "influenceMap": "Textures/ceiling_1k_ao.png",
-            "normalMap": "Textures/ceiling_1k_normal.png",
-            "roughness": 0.30000001192092898
-        },
         "emissive": {
             "color": [
                 0.0,
@@ -26,33 +21,8 @@
                 1.0
             ]
         },
-        "general": {
-            "applySpecularAA": true
-        },
-        "irradiance": {
-            "color": [
-                1.0,
-                0.7591058015823364,
-                0.43776607513427737,
-                1.0
-            ]
-        },
-        "normal": {
-            "textureMap": "Textures/ceiling_1k_normal.png"
-        },
         "opacity": {
             "factor": 1.0
-        },
-        "parallax": {
-            "algorithm": "ContactRefinement",
-            "factor": 0.019999999552965165,
-            "pdo": true,
-            "quality": "Medium",
-            "textureMap": "Textures/ceiling_1k_height.png",
-            "useTexture": false
-        },
-        "roughness": {
-            "textureMap": "Textures/ceiling_1k_roughness.png"
         }
     }
-}
+}
\ No newline at end of file
diff --git a/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_chain.material b/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_chain.material
index 223bd0a24f..1ed442a9e0 100644
--- a/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_chain.material
+++ b/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_chain.material
@@ -13,31 +13,16 @@
             ],
             "textureMap": "Textures/chain_basecolor.png"
         },
-        "general": {
-            "applySpecularAA": true
-        },
-        "irradiance": {
+        "emissive": {
             "color": [
-                0.4891279339790344,
-                0.7931944727897644,
-                1.0,
+                0.0,
+                0.0,
+                0.0,
                 1.0
             ]
         },
-        "metallic": {
-            "textureMap": "Textures/chain_alpha.png"
-        },
-        "normal": {
-            "textureMap": "Textures/chain_normal.jpg"
-        },
         "opacity": {
-            "alphaSource": "Split",
-            "factor": 0.30000001192092898,
-            "mode": "Cutout",
-            "textureMap": "Textures/chain_alpha.png"
-        },
-        "roughness": {
-            "factor": 0.4000000059604645
+            "factor": 1.0
         }
     }
-}
+}
\ No newline at end of file
diff --git a/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_leaf.material b/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_leaf.material
index ac326ae935..c95d0a662b 100644
--- a/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_leaf.material
+++ b/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_leaf.material
@@ -47,25 +47,6 @@
         },
         "roughness": {
             "textureMap": "Textures/thorn_roughness.png"
-        },
-        "subsurfaceScattering": {
-            "enableSubsurfaceScattering": true,
-            "quality": 1.0,
-            "scatterColor": [
-                0.28143739700317385,
-                1.0,
-                0.13000686466693879,
-                1.0
-            ],
-            "scatterDistance": 1.0,
-            "thickness": 0.10000000149011612,
-            "transmissionMode": "ThinObject",
-            "transmissionTint": [
-                0.07225146889686585,
-                0.16981765627861024,
-                0.04444953054189682,
-                1.0
-            ]
         }
     }
 }
diff --git a/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_lion.material b/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_lion.material
index b1f78aa33f..08eb920607 100644
--- a/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_lion.material
+++ b/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_lion.material
@@ -4,9 +4,6 @@
     "parentMaterial": "",
     "propertyLayoutVersion": 3,
     "properties": {
-        "occlusion": {
-            "diffuseTextureMap": "Textures/lion_1k_ao.png"
-        },
         "baseColor": {
             "color": [
                 0.800000011920929,
@@ -16,38 +13,16 @@
             ],
             "textureMap": "Textures/lion_1k_basecolor.png"
         },
-        "general": {
-            "applySpecularAA": true
-        },
-        "irradiance": {
+        "emissive": {
             "color": [
-                1.0,
-                0.7364919781684876,
-                0.3672388792037964,
+                0.0,
+                0.0,
+                0.0,
                 1.0
             ]
         },
-        "metallic": {
-            "textureMap": "Textures/lion_1k_metallic.png"
-        },
-        "normal": {
-            "textureMap": "Textures/lion_1k_normal.jpg"
-        },
         "opacity": {
             "factor": 1.0
-        },
-        "parallax": {
-            "algorithm": "ContactRefinement",
-            "factor": 0.009999999776482582,
-            "pdo": true,
-            "quality": "Ultra",
-            "textureMap": "Textures/lion_1k_height.png"
-        },
-        "roughness": {
-            "textureMap": "Textures/lion_1k_roughness.png"
-        },
-        "specularF0": {
-            "enableMultiScatterCompensation": true
         }
     }
-}
+}
\ No newline at end of file
diff --git a/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_vaseplant.material b/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_vaseplant.material
index 37d9e2c01c..290ddc81a6 100644
--- a/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_vaseplant.material
+++ b/Gems/AtomContent/Sponza/Assets/objects/sponza_mat_vaseplant.material
@@ -28,24 +28,6 @@
             "doubleSided": true,
             "factor": 0.28999999165534975,
             "mode": "Cutout"
-        },
-        "subsurfaceScattering": {
-            "enableSubsurfaceScattering": true,
-            "quality": 1.0,
-            "scatterColor": [
-                0.07421988248825073,
-                0.10223544389009476,
-                0.0,
-                1.0
-            ],
-            "subsurfaceScatterFactor": 0.0,
-            "transmissionMode": "ThinObject",
-            "transmissionTint": [
-                0.33716335892677309,
-                0.4620737135410309,
-                0.0,
-                1.0
-            ]
         }
     }
 }