diff --git a/gradle.properties b/gradle.properties
index 152f79329..462fced2b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -41,11 +41,11 @@ developmentEnvironmentUserName = Developer
 
 # Enables using modern Java syntax (up to version 17) via Jabel, while still targeting JVM 8.
 # See https://github.com/bsideup/jabel for details on how this works.
-enableModernJavaSyntax = false
+enableModernJavaSyntax = true
 
 # Enables injecting missing generics into the decompiled source code for a better coding experience.
 # Turns most publicly visible List, Map, etc. into proper List<E>, Map<K, V> types.
-enableGenericInjection = false
+enableGenericInjection = true
 
 # Generate a class with a String field for the mod version named as defined below.
 # If generateGradleTokenClass is empty or not missing, no such class will be generated.
diff --git a/src/main/java/codechicken/nei/BookmarkPanel.java b/src/main/java/codechicken/nei/BookmarkPanel.java
index 020c5a360..25a3e11c3 100644
--- a/src/main/java/codechicken/nei/BookmarkPanel.java
+++ b/src/main/java/codechicken/nei/BookmarkPanel.java
@@ -1294,8 +1294,7 @@ public void draw(int x, int y) {
                 RenderHelper.enableGUIStandardItemLighting();
                 GL11.glEnable(GL12.GL_RESCALE_NORMAL);
                 GL11.glDisable(GL11.GL_DEPTH_TEST);
-                @SuppressWarnings("unchecked")
-                List<Slot> slots = (List<Slot>) this.gui.slotcontainer.inventorySlots;
+                List<Slot> slots = this.gui.slotcontainer.inventorySlots;
 
                 for (Slot slot : slots) {
                     if (slot != null && slot.getStack() != null) {
diff --git a/src/main/java/codechicken/nei/ClientHandler.java b/src/main/java/codechicken/nei/ClientHandler.java
index 4f498e730..7931b61e2 100644
--- a/src/main/java/codechicken/nei/ClientHandler.java
+++ b/src/main/java/codechicken/nei/ClientHandler.java
@@ -296,7 +296,7 @@ public static void loadHandlerOrdering() {
 
         try (BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream()))) {
             NEIClientConfig.logger.info("Loading handler ordering from file {}", file);
-            CSVParser csvParser = CSVFormat.EXCEL.withCommentMarker('#').parse(reader);
+            CSVParser csvParser = CSVFormat.EXCEL.builder().setCommentMarker('#').build().parse(reader);
             for (CSVRecord record : csvParser) {
                 final String handlerId = record.get(0);
 
@@ -410,9 +410,10 @@ public void drawScreen(int par1, int par2, float par3) {
             }
         };
 
-        @SuppressWarnings("serial")
         CustomModLoadingErrorDisplayException e = new CustomModLoadingErrorDisplayException() {
 
+            private static final long serialVersionUID = -5593387489666663375L;
+
             @Override
             public void initGui(GuiErrorScreen errorScreen, FontRenderer fontRenderer) {
                 Minecraft.getMinecraft().displayGuiScreen(errorGui);
diff --git a/src/main/java/codechicken/nei/ContainerPotionCreator.java b/src/main/java/codechicken/nei/ContainerPotionCreator.java
index 32a98bea3..26bd9d5fb 100644
--- a/src/main/java/codechicken/nei/ContainerPotionCreator.java
+++ b/src/main/java/codechicken/nei/ContainerPotionCreator.java
@@ -116,7 +116,6 @@ public void onContainerClosed(EntityPlayer player) {
         if (!player.worldObj.isRemote) InventoryUtils.dropOnClose(player, potionInv);
     }
 
-    @SuppressWarnings("unchecked")
     @Override
     public void handleServerPacket(PacketCustom packet) {
         ItemStack potion = potionInv.getStackInSlot(0);
diff --git a/src/main/java/codechicken/nei/GuiExtendedCreativeInv.java b/src/main/java/codechicken/nei/GuiExtendedCreativeInv.java
index 35711f491..de0947743 100644
--- a/src/main/java/codechicken/nei/GuiExtendedCreativeInv.java
+++ b/src/main/java/codechicken/nei/GuiExtendedCreativeInv.java
@@ -60,13 +60,13 @@ public boolean hideItemPanelSlot(GuiContainer gui, int x, int y, int w, int h) {
     }
 
     @Override
-    protected void handleMouseClick(Slot p_146984_1_, int p_146984_2_, int p_146984_3_, int p_146984_4_) {
+    protected void handleMouseClick(Slot slotIn, int slotId, int clickedButton, int clickType) {
 
         // Hack for armor slots, because they are outside the container
-        if (p_146984_1_ != null && p_146984_4_ == 4 && p_146984_1_.xDisplayPosition < 0) {
-            p_146984_4_ = 0;
+        if (slotIn != null && clickType == 4 && slotIn.xDisplayPosition < 0) {
+            clickType = 0;
         }
 
-        super.handleMouseClick(p_146984_1_, p_146984_2_, p_146984_3_, p_146984_4_);
+        super.handleMouseClick(slotIn, slotId, clickedButton, clickType);
     }
 }
diff --git a/src/main/java/codechicken/nei/ItemList.java b/src/main/java/codechicken/nei/ItemList.java
index 485cfdf8f..de1274a81 100644
--- a/src/main/java/codechicken/nei/ItemList.java
+++ b/src/main/java/codechicken/nei/ItemList.java
@@ -213,7 +213,6 @@ private void damageSearch(Item item, List<ItemStack> permutations) {
 
         private String getTooltip(ItemStack stack) {
             try {
-                @SuppressWarnings("unchecked")
                 final List<String> namelist = stack.getTooltip(Minecraft.getMinecraft().thePlayer, false);
                 final StringJoiner sb = new StringJoiner("\n");
 
diff --git a/src/main/java/codechicken/nei/ItemMobSpawner.java b/src/main/java/codechicken/nei/ItemMobSpawner.java
index 23f86dc5d..f8ebfb933 100644
--- a/src/main/java/codechicken/nei/ItemMobSpawner.java
+++ b/src/main/java/codechicken/nei/ItemMobSpawner.java
@@ -66,7 +66,7 @@ public boolean onItemUse(ItemStack itemstack, EntityPlayer entityplayer, World w
     }
 
     @Override
-    public void addInformation(ItemStack itemstack, EntityPlayer par2EntityPlayer, List list, boolean par4) {
+    public void addInformation(ItemStack itemstack, EntityPlayer par2EntityPlayer, List<String> list, boolean par4) {
         setDefaultTag(itemstack);
         int meta = itemstack.getItemDamage();
         if (meta == 0) {
@@ -106,9 +106,10 @@ private void setDefaultTag(ItemStack itemstack) {
     public static void loadSpawners(World world) {
         if (loaded) return;
         loaded = true;
-        HashMap<Class<Entity>, String> classToStringMapping = (HashMap<Class<Entity>, String>) EntityList.classToStringMapping;
-        HashMap<Class<Entity>, Integer> classToIDMapping = (HashMap<Class<Entity>, Integer>) EntityList.classToIDMapping;
-        for (Class<Entity> eclass : classToStringMapping.keySet()) {
+        Map<Class<? extends Entity>, String> classToStringMapping = EntityList.classToStringMapping;
+        @SuppressWarnings("unchecked")
+        Map<Class<? extends Entity>, Integer> classToIDMapping = (Map<Class<? extends Entity>, Integer>) EntityList.classToIDMapping;
+        for (Class<? extends Entity> eclass : classToStringMapping.keySet()) {
             if (!EntityLiving.class.isAssignableFrom(eclass)) continue;
             try {
                 EntityLiving entityliving = (EntityLiving) eclass.getConstructor(new Class[] { World.class })
@@ -131,7 +132,7 @@ public static void loadSpawners(World world) {
     }
 
     @Override
-    public void getSubItems(Item item, CreativeTabs tab, List list) {
+    public void getSubItems(Item item, CreativeTabs tab, List<ItemStack> list) {
         if (!NEIClientConfig.hasSMPCounterPart()) list.add(new ItemStack(item));
         else for (int i : IDtoNameMap.keySet()) list.add(new ItemStack(item, 1, i));
     }
diff --git a/src/main/java/codechicken/nei/ItemZoom.java b/src/main/java/codechicken/nei/ItemZoom.java
index 3aebc09bd..161826839 100644
--- a/src/main/java/codechicken/nei/ItemZoom.java
+++ b/src/main/java/codechicken/nei/ItemZoom.java
@@ -78,7 +78,6 @@ public void draw(int mx, int my) {
                 if (key > 0) {
                     String helpText = NEIClientUtils
                             .translate("itemzoom.toggle", NEIClientConfig.getKeyName(key, true));
-                    @SuppressWarnings("unchecked")
                     List<String> lines = fontRenderer.listFormattedStringToWidth(helpText, this.availableAreaWidth);
 
                     for (String line : lines) {
diff --git a/src/main/java/codechicken/nei/NEIClientConfig.java b/src/main/java/codechicken/nei/NEIClientConfig.java
index eadeca141..5bd7ff2e9 100644
--- a/src/main/java/codechicken/nei/NEIClientConfig.java
+++ b/src/main/java/codechicken/nei/NEIClientConfig.java
@@ -680,7 +680,7 @@ public void run() {
 
                 for (Class<?> clazz : classDiscoverer.classes) {
                     try {
-                        IConfigureNEI config = (IConfigureNEI) clazz.newInstance();
+                        IConfigureNEI config = (IConfigureNEI) clazz.getConstructor().newInstance();
                         config.loadConfig();
                         NEIModContainer.plugins.add(config);
                         logger.debug("Loaded " + clazz.getName());
diff --git a/src/main/java/codechicken/nei/NEIServerUtils.java b/src/main/java/codechicken/nei/NEIServerUtils.java
index 92c86e800..d6e076c2e 100644
--- a/src/main/java/codechicken/nei/NEIServerUtils.java
+++ b/src/main/java/codechicken/nei/NEIServerUtils.java
@@ -89,9 +89,8 @@ public static ItemStack getSlotContents(EntityPlayer player, int slot, boolean c
         else return player.inventory.getStackInSlot(slot);
     }
 
-    @SuppressWarnings("unchecked")
     public static void deleteAllItems(EntityPlayerMP player) {
-        for (Slot slot : (List<Slot>) player.openContainer.inventorySlots) slot.putStack(null);
+        for (Slot slot : player.openContainer.inventorySlots) slot.putStack(null);
 
         player.sendContainerAndContentsToPlayer(player.openContainer, player.openContainer.getInventory());
     }
diff --git a/src/main/java/codechicken/nei/SearchTokenParser.java b/src/main/java/codechicken/nei/SearchTokenParser.java
index e5a21ddb4..5fbd4aba7 100644
--- a/src/main/java/codechicken/nei/SearchTokenParser.java
+++ b/src/main/java/codechicken/nei/SearchTokenParser.java
@@ -47,7 +47,6 @@ public static interface ISearchParserProvider {
 
         public ItemFilter getFilter(String searchText);
 
-        @SuppressWarnings("unchecked")
         public static List<Language> getAllLanguages() {
             return new ArrayList<>(Minecraft.getMinecraft().getLanguageManager().getLanguages());
         }
diff --git a/src/main/java/codechicken/nei/SpawnerRenderer.java b/src/main/java/codechicken/nei/SpawnerRenderer.java
index 1bda171ae..7f68341bb 100644
--- a/src/main/java/codechicken/nei/SpawnerRenderer.java
+++ b/src/main/java/codechicken/nei/SpawnerRenderer.java
@@ -64,7 +64,6 @@ public void renderInventoryItem(RenderBlocks render, ItemStack item) {
         BossStatus.hasColorModifier = bossHasColorModifier;
     }
 
-    @SuppressWarnings("incomplete-switch")
     @Override
     public void renderItem(ItemRenderType type, ItemStack item, Object... data) {
         switch (type) {
@@ -75,6 +74,8 @@ public void renderItem(ItemRenderType type, ItemStack item, Object... data) {
             case ENTITY:
                 renderInventoryItem((RenderBlocks) data[0], item);
                 break;
+            default:
+                break;
         }
     }
 
diff --git a/src/main/java/codechicken/nei/ThreadOperationTimer.java b/src/main/java/codechicken/nei/ThreadOperationTimer.java
index 7727566b1..826199917 100644
--- a/src/main/java/codechicken/nei/ThreadOperationTimer.java
+++ b/src/main/java/codechicken/nei/ThreadOperationTimer.java
@@ -6,9 +6,9 @@
 
 public class ThreadOperationTimer extends Thread {
 
-    @SuppressWarnings("serial")
     public static class TimeoutException extends RuntimeException {
 
+        private static final long serialVersionUID = -8621458005263888185L;
         public final Object operation;
 
         public TimeoutException(String msg, Object op) {
diff --git a/src/main/java/codechicken/nei/api/IOverlayHandler.java b/src/main/java/codechicken/nei/api/IOverlayHandler.java
index bf7aebe3a..3cb692d18 100644
--- a/src/main/java/codechicken/nei/api/IOverlayHandler.java
+++ b/src/main/java/codechicken/nei/api/IOverlayHandler.java
@@ -19,7 +19,6 @@ public interface IOverlayHandler {
     default List<Boolean> presenceOverlay(GuiContainer firstGui, IRecipeHandler recipe, int recipeIndex) {
         final List<Boolean> itemPresenceSlots = new ArrayList<>();
         final List<PositionedStack> ingredients = recipe.getIngredientStacks(recipeIndex);
-        @SuppressWarnings("unchecked")
         final List<ItemStack> invStacks = ((List<Slot>) firstGui.inventorySlots.inventorySlots).stream()
                 .filter(
                         s -> s != null && s.getStack() != null
diff --git a/src/main/java/codechicken/nei/api/ItemInfo.java b/src/main/java/codechicken/nei/api/ItemInfo.java
index 15495388d..6ffbc8b3a 100644
--- a/src/main/java/codechicken/nei/api/ItemInfo.java
+++ b/src/main/java/codechicken/nei/api/ItemInfo.java
@@ -211,7 +211,7 @@ public String[] header() {
             public String[] dump(Block block, int id, String name) {
                 final Item item = Item.getItemFromBlock(block);
                 return new String[] { name, Integer.toString(id), Boolean.toString(item != null),
-                        ItemInfo.itemOwners.get(block), block.getClass().getCanonicalName(),
+                        ItemInfo.itemOwners.get(item), block.getClass().getCanonicalName(),
                         item != null ? EnumChatFormatting.getTextWithoutFormattingCodes(
                                 GuiContainerManager.itemDisplayNameShort(new ItemStack(item))) : "null" };
             }
@@ -462,7 +462,6 @@ private static void addSpawnEggs() {
         addEntityEgg(EntityIronGolem.class, 0xC5C2C1, 0xffe1cc);
     }
 
-    @SuppressWarnings("unchecked")
     private static void addEntityEgg(Class<?> entity, int i, int j) {
         int id = (Integer) EntityList.classToIDMapping.get(entity);
         EntityList.entityEggs.put(id, new EntityEggInfo(id, i, j));
diff --git a/src/main/java/codechicken/nei/config/RegistryDumper.java b/src/main/java/codechicken/nei/config/RegistryDumper.java
index 5e0085eb1..a85138dbc 100644
--- a/src/main/java/codechicken/nei/config/RegistryDumper.java
+++ b/src/main/java/codechicken/nei/config/RegistryDumper.java
@@ -10,6 +10,7 @@ public RegistryDumper(String name) {
         super(name);
     }
 
+    @SuppressWarnings("unchecked")
     @Override
     public Iterable<String[]> dump(int mode) {
         LinkedList<String[]> list = new LinkedList<>();
diff --git a/src/main/java/codechicken/nei/event/NEIRegisterHandlerInfosEvent.java b/src/main/java/codechicken/nei/event/NEIRegisterHandlerInfosEvent.java
index ffdf75918..d7f74b164 100644
--- a/src/main/java/codechicken/nei/event/NEIRegisterHandlerInfosEvent.java
+++ b/src/main/java/codechicken/nei/event/NEIRegisterHandlerInfosEvent.java
@@ -17,7 +17,6 @@
  * <br>
  * This event is fired on the {@link MinecraftForge#EVENT_BUS}.
  */
-@SuppressWarnings("unused")
 public class NEIRegisterHandlerInfosEvent extends Event {
 
     public void registerHandlerInfo(HandlerInfo info) {
diff --git a/src/main/java/codechicken/nei/guihook/GuiContainerManager.java b/src/main/java/codechicken/nei/guihook/GuiContainerManager.java
index afbf1412a..0841dd8f4 100644
--- a/src/main/java/codechicken/nei/guihook/GuiContainerManager.java
+++ b/src/main/java/codechicken/nei/guihook/GuiContainerManager.java
@@ -149,7 +149,6 @@ public static FontRenderer getFontRenderer(ItemStack stack) {
      * @param includeHandlers If true tooltip handlers will add to the item tip
      * @return A list of Strings representing the text to be displayed on each line of the tool tip.
      */
-    @SuppressWarnings("unchecked")
     public static List<String> itemDisplayNameMultiline(ItemStack stack, GuiContainer gui, boolean includeHandlers) {
         List<String> namelist = null;
         try {
@@ -237,7 +236,6 @@ public static String fluidAmountDetails(int amount) {
     public static String itemDisplayNameShort(ItemStack itemstack) {
 
         try {
-            @SuppressWarnings("unchecked")
             List<String> namelist = itemstack.getTooltip(Minecraft.getMinecraft().thePlayer, false);
 
             if (!namelist.isEmpty() && !"".equals(namelist.get(0))) {
diff --git a/src/main/java/codechicken/nei/guihook/HideousLinkedList.java b/src/main/java/codechicken/nei/guihook/HideousLinkedList.java
index d70538abf..5f106a291 100644
--- a/src/main/java/codechicken/nei/guihook/HideousLinkedList.java
+++ b/src/main/java/codechicken/nei/guihook/HideousLinkedList.java
@@ -21,6 +21,7 @@
  */
 final class HideousLinkedList<E> extends LinkedList<E> {
 
+    private static final long serialVersionUID = -8504433551965776915L;
     private final List<E> backing;
 
     HideousLinkedList(List<E> backing) {
diff --git a/src/main/java/codechicken/nei/recipe/DefaultOverlayHandler.java b/src/main/java/codechicken/nei/recipe/DefaultOverlayHandler.java
index 8fc427928..2539c1872 100644
--- a/src/main/java/codechicken/nei/recipe/DefaultOverlayHandler.java
+++ b/src/main/java/codechicken/nei/recipe/DefaultOverlayHandler.java
@@ -17,10 +17,9 @@
 import codechicken.nei.PositionedStack;
 import codechicken.nei.api.IOverlayHandler;
 
-@SuppressWarnings("rawtypes, unchecked")
 public class DefaultOverlayHandler implements IOverlayHandler {
 
-    public static Class gtItem;
+    public static Class<?> gtItem;
 
     static {
         try {
@@ -85,7 +84,6 @@ public void overlayRecipe(GuiContainer gui, IRecipeHandler recipe, int recipeInd
         if (quantity != 0) moveIngredients(gui, assignedIngredients, quantity);
     }
 
-    @SuppressWarnings("unchecked")
     private boolean clearIngredients(GuiContainer gui, List<PositionedStack> ingreds) {
         for (PositionedStack pstack : ingreds) for (Slot slot : (List<Slot>) gui.inventorySlots.inventorySlots)
             if (slot.xDisplayPosition == pstack.relx + offsetx && slot.yDisplayPosition == pstack.rely + offsety) {
@@ -98,7 +96,6 @@ private boolean clearIngredients(GuiContainer gui, List<PositionedStack> ingreds
         return true;
     }
 
-    @SuppressWarnings("unchecked")
     private void moveIngredients(GuiContainer gui, List<IngredientDistribution> assignedIngredients, int quantity) {
         for (IngredientDistribution distrib : assignedIngredients) {
             if (distrib.slots.length == 0) continue;
@@ -245,7 +242,6 @@ private List<IngredientDistribution> assignIngredients(List<PositionedStack> ing
         return assignedIngredients;
     }
 
-    @SuppressWarnings("unchecked")
     private void findInventoryQuantities(GuiContainer gui, List<DistributedIngred> ingredStacks) {
         for (Slot slot : (List<Slot>) gui.inventorySlots.inventorySlots) /* work out how much we have to go round */ {
             if (slot.getHasStack() && canMoveFrom(slot, gui)) {
@@ -272,7 +268,6 @@ public boolean canMoveFrom(Slot slot, GuiContainer gui) {
         return slot.inventory instanceof InventoryPlayer;
     }
 
-    @SuppressWarnings("unchecked")
     public Slot[][] mapIngredSlots(GuiContainer gui, List<PositionedStack> ingredients) {
         Slot[][] recipeSlotList = new Slot[ingredients.size()][];
         for (int i = 0; i < ingredients.size(); i++) /* identify slots */ {
diff --git a/src/main/java/codechicken/nei/recipe/FuelRecipeHandler.java b/src/main/java/codechicken/nei/recipe/FuelRecipeHandler.java
index 4fc3d62c6..254ad9bf2 100644
--- a/src/main/java/codechicken/nei/recipe/FuelRecipeHandler.java
+++ b/src/main/java/codechicken/nei/recipe/FuelRecipeHandler.java
@@ -51,7 +51,6 @@ public String getRecipeName() {
         return NEIClientUtils.translate("recipe.fuel");
     }
 
-    @SuppressWarnings("unchecked")
     private void loadAllSmelting() {
         // Note: Not safe as written for parallelStream
         final Map<ItemStack, ItemStack> smeltingRecipes = (Map<ItemStack, ItemStack>) FurnaceRecipes.smelting()
diff --git a/src/main/java/codechicken/nei/recipe/GuiOverlayButton.java b/src/main/java/codechicken/nei/recipe/GuiOverlayButton.java
index 40cd5a648..a09bf4dcc 100644
--- a/src/main/java/codechicken/nei/recipe/GuiOverlayButton.java
+++ b/src/main/java/codechicken/nei/recipe/GuiOverlayButton.java
@@ -9,7 +9,6 @@
 import java.util.stream.Collectors;
 
 import net.minecraft.client.gui.inventory.GuiContainer;
-import net.minecraft.inventory.Slot;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.EnumChatFormatting;
 import net.minecraftforge.client.event.GuiScreenEvent;
@@ -223,8 +222,7 @@ public boolean hasOverlay() {
 
     private List<Boolean> presenceOverlay(List<PositionedStack> ingredients) {
         final List<Boolean> itemPresenceSlots = new ArrayList<>();
-        @SuppressWarnings("unchecked")
-        final List<ItemStack> invStacks = ((List<Slot>) this.firstGui.inventorySlots.inventorySlots).stream()
+        final List<ItemStack> invStacks = this.firstGui.inventorySlots.inventorySlots.stream()
                 .filter(
                         s -> s != null && s.getStack() != null
                                 && s.getStack().stackSize > 0
diff --git a/src/main/java/codechicken/nei/recipe/GuiRecipe.java b/src/main/java/codechicken/nei/recipe/GuiRecipe.java
index 573bdc99a..021c2b69f 100644
--- a/src/main/java/codechicken/nei/recipe/GuiRecipe.java
+++ b/src/main/java/codechicken/nei/recipe/GuiRecipe.java
@@ -402,7 +402,6 @@ public void close() {
         }
     }
 
-    @SuppressWarnings("unchecked")
     public void initGui() {
         xSize = 176;
         ySize = Math.min(Math.max(height - 68, 166), 370);
@@ -478,7 +477,6 @@ public void mouseReleased(int mouseX, int mouseY) {
         refreshPage();
     }
 
-    @SuppressWarnings("unchecked")
     private void updateOverlayButtons() {
         final List<Integer> indices = getRecipeIndices();
 
diff --git a/src/main/java/codechicken/nei/recipe/GuiRecipeTab.java b/src/main/java/codechicken/nei/recipe/GuiRecipeTab.java
index a3d0d5cd8..bdd3fb01f 100644
--- a/src/main/java/codechicken/nei/recipe/GuiRecipeTab.java
+++ b/src/main/java/codechicken/nei/recipe/GuiRecipeTab.java
@@ -213,10 +213,9 @@ public static void loadHandlerInfo() {
             File handlerFile = NEIClientConfig.handlerFile;
             if (!handlerFile.exists()) {
                 NEIClientConfig.logger.info("Config file doesn't exist, creating");
-                try {
+                try (FileOutputStream fileOutputStream = new FileOutputStream(handlerFile.getAbsoluteFile())) {
                     assert handlerUrl != null;
                     ReadableByteChannel readableByteChannel = Channels.newChannel(handlerUrl.openStream());
-                    FileOutputStream fileOutputStream = new FileOutputStream(handlerFile.getAbsoluteFile());
                     FileChannel fileChannel = fileOutputStream.getChannel();
                     fileChannel.transferFrom(readableByteChannel, 0, Long.MAX_VALUE);
                 } catch (IOException e) {
@@ -233,7 +232,7 @@ public static void loadHandlerInfo() {
             }
         }
         try (BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream()))) {
-            CSVParser csvParser = CSVFormat.EXCEL.withFirstRecordAsHeader().parse(reader);
+            CSVParser csvParser = CSVFormat.EXCEL.builder().setHeader().setSkipHeaderRecord(true).build().parse(reader);
             for (CSVRecord record : csvParser) {
                 final String handler = record.get("handler");
                 final String modName = record.get("modName");
diff --git a/src/main/java/codechicken/nei/recipe/ItemsHistoryHandler.java b/src/main/java/codechicken/nei/recipe/ItemsHistoryHandler.java
index d92b45a54..90f952a1a 100644
--- a/src/main/java/codechicken/nei/recipe/ItemsHistoryHandler.java
+++ b/src/main/java/codechicken/nei/recipe/ItemsHistoryHandler.java
@@ -70,12 +70,12 @@ public List<String> handleItemTooltip(GuiRecipe<?> gui, ItemStack stack, List<St
     }
 
     @Override
-    public boolean keyTyped(GuiRecipe gui, char keyChar, int keyCode, int recipe) {
+    public boolean keyTyped(GuiRecipe<?> gui, char keyChar, int keyCode, int recipe) {
         return false;
     }
 
     @Override
-    public boolean mouseClicked(GuiRecipe gui, int button, int recipe) {
+    public boolean mouseClicked(GuiRecipe<?> gui, int button, int recipe) {
         return true;
     }
 
diff --git a/src/main/java/codechicken/nei/recipe/RecipeCatalysts.java b/src/main/java/codechicken/nei/recipe/RecipeCatalysts.java
index f1ccad70a..903d620cb 100644
--- a/src/main/java/codechicken/nei/recipe/RecipeCatalysts.java
+++ b/src/main/java/codechicken/nei/recipe/RecipeCatalysts.java
@@ -145,10 +145,9 @@ public static void loadCatalystInfo() {
             File catalystFile = NEIClientConfig.catalystFile;
             if (!catalystFile.exists()) {
                 NEIClientConfig.logger.info("Config file doesn't exist, creating");
-                try {
+                try (FileOutputStream fileOutputStream = new FileOutputStream(catalystFile.getAbsoluteFile())) {
                     assert handlerUrl != null;
                     ReadableByteChannel readableByteChannel = Channels.newChannel(handlerUrl.openStream());
-                    FileOutputStream fileOutputStream = new FileOutputStream(catalystFile.getAbsoluteFile());
                     FileChannel fileChannel = fileOutputStream.getChannel();
                     fileChannel.transferFrom(readableByteChannel, 0, Long.MAX_VALUE);
                 } catch (IOException e) {
@@ -165,7 +164,7 @@ public static void loadCatalystInfo() {
             }
         }
         try (BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream()))) {
-            CSVParser csvParser = CSVFormat.EXCEL.withFirstRecordAsHeader().parse(reader);
+            CSVParser csvParser = CSVFormat.EXCEL.builder().setHeader().setSkipHeaderRecord(true).build().parse(reader);
             for (CSVRecord record : csvParser) {
                 final String handler = record.get("handler");
                 final String modId = record.get("modId");
@@ -194,7 +193,7 @@ public static void loadCatalystInfo() {
                 try {
                     // gently handling copy&paste from handlers.csv
                     Class<?> clazz = Class.forName(handler);
-                    Object object = clazz.newInstance();
+                    Object object = clazz.getConstructor().newInstance();
                     if (object instanceof IRecipeHandler) {
                         if (forceClassName) {
                             forceClassNameList.add(handler);
diff --git a/src/main/java/codechicken/nei/recipe/StackInfo.java b/src/main/java/codechicken/nei/recipe/StackInfo.java
index 6655d9f05..04d50815e 100644
--- a/src/main/java/codechicken/nei/recipe/StackInfo.java
+++ b/src/main/java/codechicken/nei/recipe/StackInfo.java
@@ -33,7 +33,9 @@ public class StackInfo {
     public static final ArrayList<IStackStringifyHandler> stackStringifyHandlers = new ArrayList<>();
     private static final HashMap<String, HashMap<String, String[]>> guidfilters = new HashMap<>();
     private static final ItemStackMap<String> guidcache = new ItemStackMap<>();
-    private static final LinkedHashMap<ItemStack, FluidStack> fluidcache = new LinkedHashMap<ItemStack, FluidStack>() {
+    private static final LinkedHashMap<ItemStack, FluidStack> fluidcache = new LinkedHashMap<>() {
+
+        private static final long serialVersionUID = 1042213947848622164L;
 
         @Override
         protected boolean removeEldestEntry(Map.Entry<ItemStack, FluidStack> eldest) {
diff --git a/src/main/java/codechicken/nei/recipe/TemplateRecipeHandler.java b/src/main/java/codechicken/nei/recipe/TemplateRecipeHandler.java
index e702ec1ad..818ba12c9 100644
--- a/src/main/java/codechicken/nei/recipe/TemplateRecipeHandler.java
+++ b/src/main/java/codechicken/nei/recipe/TemplateRecipeHandler.java
@@ -594,7 +594,7 @@ public TemplateRecipeHandler newInstance() {
             // available
             // This will ideally have been pre-cached elsewhere and will be a NOOP
             findFuelsOnce();
-            return getClass().newInstance();
+            return getClass().getConstructor().newInstance();
         } catch (Exception e) {
             throw new RuntimeException(e);
         }
diff --git a/src/main/java/codechicken/nei/util/NBTHelper.java b/src/main/java/codechicken/nei/util/NBTHelper.java
index 0f2e28f96..331d25d36 100644
--- a/src/main/java/codechicken/nei/util/NBTHelper.java
+++ b/src/main/java/codechicken/nei/util/NBTHelper.java
@@ -1,7 +1,5 @@
 package codechicken.nei.util;
 
-import java.util.Set;
-
 import javax.annotation.Nullable;
 
 import net.minecraft.nbt.NBTBase;
@@ -34,8 +32,7 @@ public static boolean matchTag(@Nullable NBTBase template, @Nullable NBTBase tar
     private static boolean matchTagCompound(NBTTagCompound template, NBTTagCompound target) {
         if (template.tagMap.size() > target.tagMap.size()) return false;
 
-        // noinspection unchecked
-        for (String key : (Set<String>) template.func_150296_c()) {
+        for (String key : template.func_150296_c()) {
             if (!matchTag(template.getTag(key), target.getTag(key))) return false;
         }
 
diff --git a/src/main/java/codechicken/nei/util/NBTJson.java b/src/main/java/codechicken/nei/util/NBTJson.java
index 8adcd4596..553cd352b 100644
--- a/src/main/java/codechicken/nei/util/NBTJson.java
+++ b/src/main/java/codechicken/nei/util/NBTJson.java
@@ -1,5 +1,6 @@
 package codechicken.nei.util;
 
+import java.lang.reflect.InvocationTargetException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -216,8 +217,9 @@ protected static NBTBase restoreEmptyList(JsonObject obj) {
         if (obj.has("__custom_type")) {
             try {
                 final String className = obj.get("__custom_type").getAsString();
-                return (NBTBase) Class.forName(className).newInstance();
-            } catch (ClassNotFoundException | InstantiationException | IllegalAccessException th) {}
+                return (NBTBase) Class.forName(className).getConstructor().newInstance();
+            } catch (InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException
+                    | SecurityException | ClassNotFoundException th) {}
         }
 
         return null;
diff --git a/src/main/java/codechicken/nei/util/TextHistory.java b/src/main/java/codechicken/nei/util/TextHistory.java
index eb804c8fc..4bc74d0e9 100644
--- a/src/main/java/codechicken/nei/util/TextHistory.java
+++ b/src/main/java/codechicken/nei/util/TextHistory.java
@@ -31,7 +31,7 @@ public boolean add(String currentText) {
     }
 
     public Optional<String> get(Direction direction, String currentText) {
-        if (direction == direction.NEXT) {
+        if (direction == Direction.NEXT) {
             return getNext(currentText);
         } else {
             return getPrevious(currentText);