diff --git a/api/buildcraft/api/recipes/IAssemblyRecipeManager.java b/api/buildcraft/api/recipes/IAssemblyRecipeManager.java
index 8b5dc9fa..6e2ddf89 100644
--- a/api/buildcraft/api/recipes/IAssemblyRecipeManager.java
+++ b/api/buildcraft/api/recipes/IAssemblyRecipeManager.java
@@ -28,6 +28,10 @@ public interface IAssemblyRecipeManager {
 	void addRecipe(String id, int energyCost, ItemStack output, Object... input);
 
 	void addRecipe(IFlexibleRecipe<ItemStack> recipe);
+	
+	void removeRecipe(String id);
+
+	void removeRecipe(IFlexibleRecipe<ItemStack> recipe);
 
 	Collection<IFlexibleRecipe<ItemStack>> getRecipes();
 }
diff --git a/api/buildcraft/api/recipes/IRefineryRecipeManager.java b/api/buildcraft/api/recipes/IRefineryRecipeManager.java
index a2064334..4af07f49 100644
--- a/api/buildcraft/api/recipes/IRefineryRecipeManager.java
+++ b/api/buildcraft/api/recipes/IRefineryRecipeManager.java
@@ -18,6 +18,10 @@ public interface IRefineryRecipeManager {
 
 	void addRecipe(String id, FluidStack ingredient1, FluidStack ingredient2, FluidStack result, int energy, int delay);
 
+	void removeRecipe(String id);
+	
+	void removeRecipe(IFlexibleRecipe<FluidStack> recipe);
+
 	Collection<IFlexibleRecipe<FluidStack>> getRecipes();
 
 	IFlexibleRecipe<FluidStack> getRecipe(String currentRecipeId);