diff --git a/src/api/java/mekanism/api/chemical/ChemicalStack.java b/src/api/java/mekanism/api/chemical/ChemicalStack.java
index 6f1d3fa9dba..2dad8922d16 100644
--- a/src/api/java/mekanism/api/chemical/ChemicalStack.java
+++ b/src/api/java/mekanism/api/chemical/ChemicalStack.java
@@ -51,13 +51,13 @@ public final class ChemicalStack implements IHasTextComponent, IHasTranslationKe
      *
      * @since 10.6.0
      */
-    public static final Codec<Chemical> CHEMICAL_NON_EMPTY_CODEC = chemicalNonEmptyCodec(MekanismAPI.CHEMICAL_REGISTRY);
+    public static final Codec<Chemical> CHEMICAL_NON_EMPTY_CODEC = MekanismAPI.CHEMICAL_REGISTRY.byNameCodec().validate(chemical -> chemical.isEmptyType() ? DataResult.error(() -> "Chemical must not be mekanism:empty") : DataResult.success(chemical));
     /**
      * A standard codec for non-empty Chemical holders.
      *
      * @since 10.6.0
      */
-    public static final Codec<Holder<Chemical>> CHEMICAL_NON_EMPTY_HOLDER_CODEC = chemicalNonEmptyHolderCodec(MekanismAPI.CHEMICAL_REGISTRY);
+    public static final Codec<Holder<Chemical>> CHEMICAL_NON_EMPTY_HOLDER_CODEC = MekanismAPI.CHEMICAL_REGISTRY.holderByNameCodec().validate(chemical -> chemical.value().isEmptyType() ? DataResult.error(() -> "Chemical must not be mekanism:empty") : DataResult.success(chemical));
     /**
      * A standard map codec for Chemical stacks that does not accept empty stacks.
      *
@@ -101,27 +101,6 @@ public static Codec<ChemicalStack> fixedAmountCodec(int amount) {
     }
 
 
-    /**
-     * A standard codec for chemicals.
-     *
-     * @implNote Unlike for fluids we do this on the objects instead of on the holders, as we don't have builtin holders.
-     * @since 10.6.0
-     */
-    protected static <CHEMICAL extends Chemical> Codec<CHEMICAL> chemicalNonEmptyCodec(Registry<CHEMICAL> registry) {
-        return registry.byNameCodec().validate(chemical -> chemical.isEmptyType() ? DataResult.error(() -> "Chemical must not be mekanism:empty")
-                                                                                  : DataResult.success(chemical));
-    }
-
-    /**
-     * A standard codec for chemicals.
-     *
-     * @since 10.6.0
-     */
-    protected static <CHEMICAL extends Chemical> Codec<Holder<CHEMICAL>> chemicalNonEmptyHolderCodec(Registry<CHEMICAL> registry) {
-        return registry.holderByNameCodec().validate(chemical -> chemical.value().isEmptyType() ? DataResult.error(() -> "Chemical must not be mekanism:empty")
-                                                                                                : DataResult.success(chemical));
-    }
-
     /**
      * A standard codec for chemical stacks that does not accept empty stacks.
      *
diff --git a/src/api/java/mekanism/api/providers/IGasProvider.java b/src/api/java/mekanism/api/providers/IGasProvider.java
deleted file mode 100644
index 603242b6f59..00000000000
--- a/src/api/java/mekanism/api/providers/IGasProvider.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package mekanism.api.providers;
-
-public interface IGasProvider extends IChemicalProvider {
-
-
-}
\ No newline at end of file
diff --git a/src/api/java/mekanism/api/providers/IInfuseTypeProvider.java b/src/api/java/mekanism/api/providers/IInfuseTypeProvider.java
deleted file mode 100644
index 12b4a9ac679..00000000000
--- a/src/api/java/mekanism/api/providers/IInfuseTypeProvider.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package mekanism.api.providers;
-
-//todo remove
-public interface IInfuseTypeProvider extends IChemicalProvider {
-
-}
\ No newline at end of file
diff --git a/src/api/java/mekanism/api/providers/IPigmentProvider.java b/src/api/java/mekanism/api/providers/IPigmentProvider.java
deleted file mode 100644
index 1093531f385..00000000000
--- a/src/api/java/mekanism/api/providers/IPigmentProvider.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package mekanism.api.providers;
-
-public interface IPigmentProvider extends IChemicalProvider {
-
-}
\ No newline at end of file
diff --git a/src/api/java/mekanism/api/providers/ISlurryProvider.java b/src/api/java/mekanism/api/providers/ISlurryProvider.java
deleted file mode 100644
index 21d297b0ff6..00000000000
--- a/src/api/java/mekanism/api/providers/ISlurryProvider.java
+++ /dev/null
@@ -1,4 +0,0 @@
-package mekanism.api.providers;
-
-public interface ISlurryProvider extends IChemicalProvider {
-}
\ No newline at end of file
diff --git a/src/main/java/mekanism/common/integration/projecte/NSSChemical.java b/src/main/java/mekanism/common/integration/projecte/NSSChemical.java
index 812483e2f2b..2336e715059 100644
--- a/src/main/java/mekanism/common/integration/projecte/NSSChemical.java
+++ b/src/main/java/mekanism/common/integration/projecte/NSSChemical.java
@@ -6,7 +6,6 @@
 import mekanism.api.chemical.Chemical;
 import mekanism.api.chemical.ChemicalStack;
 import mekanism.api.providers.IChemicalProvider;
-import mekanism.api.providers.IGasProvider;
 import moze_intel.projecte.api.codec.NSSCodecHolder;
 import moze_intel.projecte.api.nss.AbstractNSSTag;
 import moze_intel.projecte.api.nss.NormalizedSimpleStack;
diff --git a/src/main/java/mekanism/common/registration/impl/DeferredChemical.java b/src/main/java/mekanism/common/registration/impl/DeferredChemical.java
index 8854d8ab751..3fdbc85eb44 100644
--- a/src/main/java/mekanism/common/registration/impl/DeferredChemical.java
+++ b/src/main/java/mekanism/common/registration/impl/DeferredChemical.java
@@ -2,7 +2,6 @@
 
 import mekanism.api.chemical.Chemical;
 import mekanism.api.providers.IChemicalProvider;
-import mekanism.api.providers.ISlurryProvider;
 import mekanism.common.registration.MekanismDeferredHolder;
 import net.minecraft.resources.ResourceKey;
 
@@ -18,10 +17,4 @@ public Chemical getChemical() {
         return value();
     }
 
-    public static class DeferredSlurry<SLURRY extends Chemical> extends DeferredChemical<SLURRY> implements ISlurryProvider {
-
-        public DeferredSlurry(ResourceKey<Chemical> key) {
-            super(key);
-        }
-    }
 }
\ No newline at end of file