diff --git a/kubejs/client_scripts/immersive_engineering.js b/kubejs/client_scripts/hide/immersive_engineering.js
similarity index 100%
rename from kubejs/client_scripts/immersive_engineering.js
rename to kubejs/client_scripts/hide/immersive_engineering.js
diff --git a/kubejs/client_scripts/copper_tools_and_armor.js b/kubejs/client_scripts/hide/unification/copper_tools_and_armor.js
similarity index 100%
rename from kubejs/client_scripts/copper_tools_and_armor.js
rename to kubejs/client_scripts/hide/unification/copper_tools_and_armor.js
diff --git a/kubejs/client_scripts/rope.js b/kubejs/client_scripts/hide/unification/rope.js
similarity index 100%
rename from kubejs/client_scripts/rope.js
rename to kubejs/client_scripts/hide/unification/rope.js
diff --git a/kubejs/client_scripts/sawdust.js b/kubejs/client_scripts/hide/unification/sawdust.js
similarity index 100%
rename from kubejs/client_scripts/sawdust.js
rename to kubejs/client_scripts/hide/unification/sawdust.js
diff --git a/kubejs/client_scripts/simple_unification.js b/kubejs/client_scripts/hide/unification/simple_unification.js
similarity index 100%
rename from kubejs/client_scripts/simple_unification.js
rename to kubejs/client_scripts/hide/unification/simple_unification.js
diff --git a/kubejs/client_scripts/slag.js b/kubejs/client_scripts/hide/unification/slag.js
similarity index 100%
rename from kubejs/client_scripts/slag.js
rename to kubejs/client_scripts/hide/unification/slag.js
diff --git a/kubejs/client_scripts/storage_blocks.js b/kubejs/client_scripts/hide/unification/storage_blocks.js
similarity index 100%
rename from kubejs/client_scripts/storage_blocks.js
rename to kubejs/client_scripts/hide/unification/storage_blocks.js
diff --git a/kubejs/client_scripts/sulfur.js b/kubejs/client_scripts/hide/unification/sulfur.js
similarity index 100%
rename from kubejs/client_scripts/sulfur.js
rename to kubejs/client_scripts/hide/unification/sulfur.js
diff --git a/kubejs/server_scripts/recipes/pressure_plates_use_slabs.js b/kubejs/server_scripts/recipes/essentials/pressure_plates_use_slabs.js
similarity index 100%
rename from kubejs/server_scripts/recipes/pressure_plates_use_slabs.js
rename to kubejs/server_scripts/recipes/essentials/pressure_plates_use_slabs.js
diff --git a/kubejs/server_scripts/recipes/slabs.js b/kubejs/server_scripts/recipes/essentials/slabs.js
similarity index 76%
rename from kubejs/server_scripts/recipes/slabs.js
rename to kubejs/server_scripts/recipes/essentials/slabs.js
index 9ddbf5c..0b1fff8 100644
--- a/kubejs/server_scripts/recipes/slabs.js
+++ b/kubejs/server_scripts/recipes/essentials/slabs.js
@@ -1,17 +1,18 @@
 // priority: 0
 
 onEvent("recipes", event => {
-  let ieSlabRegex = /^immersiveengineering:slab_storage_/;
-
   // For each slab crafting recipe that outputs 6x slabs, ...
   event.forEachRecipe({ id: /_slab/, type: "minecraft:crafting_shaped" }, recipe => {
     if (recipe.outputItems[0].getCount() != 6) return;
-    // We disable the Immersive Engineering storage block slabs in "immersive_engineering.js"
-    if (ieSlabRegex.test(recipe.outputItems[0].getId())) return;
 
     let input  = recipe.inputItems[0];
     let output = recipe.outputItems[0].getId();
 
+    // We disable the Immersive Engineering storage block slabs in "immersive_engineering.js".
+    if (/^immersiveengineering:slab_storage_/.test(output)) return;
+    // Quark limestone is disabled but some recipes still linger.
+    if (/^quark:.*limestone.*$/.test(output)) return;
+
     // ... add a recipe to craft slabs in 2x2 crafting grid.
     event.shaped("4x " + output, [ "SS" ], { S: input });
     // For this to work, "pressure_plates_use_stabs.json" must also be present.
diff --git a/kubejs/server_scripts/recipes/stairs.js b/kubejs/server_scripts/recipes/essentials/stairs.js
similarity index 85%
rename from kubejs/server_scripts/recipes/stairs.js
rename to kubejs/server_scripts/recipes/essentials/stairs.js
index 2109291..7ea4e78 100644
--- a/kubejs/server_scripts/recipes/stairs.js
+++ b/kubejs/server_scripts/recipes/essentials/stairs.js
@@ -8,6 +8,9 @@ onEvent("recipes", event => {
     let input  = recipe.inputItems[0];
     let output = recipe.outputItems[0].getId();
 
+    // Quark limestone is disabled but some recipes still linger.
+    if (/^quark:.*limestone.*$/.test(output)) return;
+
     // ... modify the output to return 6x instead of 4x.
     recipe.replaceOutput(output, "6x " + output, false, (out, orig) => out);
 
diff --git a/kubejs/server_scripts/recipes/vertical_slabs.js b/kubejs/server_scripts/recipes/essentials/vertical_slabs.js
similarity index 78%
rename from kubejs/server_scripts/recipes/vertical_slabs.js
rename to kubejs/server_scripts/recipes/essentials/vertical_slabs.js
index 43e750a..8426cc7 100644
--- a/kubejs/server_scripts/recipes/vertical_slabs.js
+++ b/kubejs/server_scripts/recipes/essentials/vertical_slabs.js
@@ -8,6 +8,10 @@ onEvent("recipes", event => {
   event.forEachRecipe({ id: /_vertical_slab_revert/ }, recipe => {
     let input  = recipe.inputItems[0];
     let output = recipe.outputItems[0].getId();
+
+    // Quark limestone is disabled but some recipes still linger.
+    if (/^quark:.*limestone.*$/.test(output)) return;
+
     event.shapeless(input, [ output ]);
   });
 });