diff --git a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/ArgumentTypesMixin.java b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/ArgumentTypesMixin.java
similarity index 97%
rename from fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/ArgumentTypesMixin.java
rename to fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/ArgumentTypesMixin.java
index 0a85f6a8ed..637f73d6e8 100644
--- a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/ArgumentTypesMixin.java
+++ b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/ArgumentTypesMixin.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.fabricmc.fabric.mixin;
+package net.fabricmc.fabric.mixin.dev;
 
 import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
 import org.spongepowered.asm.mixin.Dynamic;
diff --git a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/BlockAndItemMixin.java b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/BlockAndItemMixin.java
similarity index 97%
rename from fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/BlockAndItemMixin.java
rename to fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/BlockAndItemMixin.java
index b3adc8b89e..c6360f95b7 100644
--- a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/BlockAndItemMixin.java
+++ b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/BlockAndItemMixin.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.fabricmc.fabric.mixin;
+package net.fabricmc.fabric.mixin.dev;
 
 import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
 import org.spongepowered.asm.mixin.Dynamic;
diff --git a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/BlockBoxMixin.java b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/BlockBoxMixin.java
similarity index 97%
rename from fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/BlockBoxMixin.java
rename to fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/BlockBoxMixin.java
index 72e7160ad7..fbf2063d02 100644
--- a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/BlockBoxMixin.java
+++ b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/BlockBoxMixin.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.fabricmc.fabric.mixin;
+package net.fabricmc.fabric.mixin.dev;
 
 import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
 import org.spongepowered.asm.mixin.Dynamic;
diff --git a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/BootstrapMixin.java b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/BootstrapMixin.java
similarity index 98%
rename from fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/BootstrapMixin.java
rename to fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/BootstrapMixin.java
index 3a889cb54b..3ad0ac998e 100644
--- a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/BootstrapMixin.java
+++ b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/BootstrapMixin.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.fabricmc.fabric.mixin;
+package net.fabricmc.fabric.mixin.dev;
 
 import java.util.Set;
 import java.util.function.Consumer;
diff --git a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/ChunkMixin.java b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/ChunkMixin.java
similarity index 97%
rename from fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/ChunkMixin.java
rename to fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/ChunkMixin.java
index e02817eaee..c428ae626f 100644
--- a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/ChunkMixin.java
+++ b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/ChunkMixin.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.fabricmc.fabric.mixin;
+package net.fabricmc.fabric.mixin.dev;
 
 import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
 import org.spongepowered.asm.mixin.Dynamic;
diff --git a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/CommandManagerMixin.java b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/CommandManagerMixin.java
similarity index 97%
rename from fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/CommandManagerMixin.java
rename to fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/CommandManagerMixin.java
index ed85b5dac6..1e2dd10bdb 100644
--- a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/CommandManagerMixin.java
+++ b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/CommandManagerMixin.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.fabricmc.fabric.mixin;
+package net.fabricmc.fabric.mixin.dev;
 
 import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
 import org.spongepowered.asm.mixin.Dynamic;
diff --git a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/EulaReaderMixin.java b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/EulaReaderMixin.java
similarity index 97%
rename from fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/EulaReaderMixin.java
rename to fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/EulaReaderMixin.java
index 8df0cbf872..8883c8b91c 100644
--- a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/EulaReaderMixin.java
+++ b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/EulaReaderMixin.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.fabricmc.fabric.mixin;
+package net.fabricmc.fabric.mixin.dev;
 
 import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
 import org.spongepowered.asm.mixin.Dynamic;
diff --git a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/MinecraftServerMixin.java b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/MinecraftServerMixin.java
similarity index 97%
rename from fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/MinecraftServerMixin.java
rename to fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/MinecraftServerMixin.java
index e39bad68cf..f8f488d571 100644
--- a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/MinecraftServerMixin.java
+++ b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/MinecraftServerMixin.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.fabricmc.fabric.mixin;
+package net.fabricmc.fabric.mixin.dev;
 
 import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
 import org.spongepowered.asm.mixin.Dynamic;
diff --git a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/StructureTemplateManagerMixin.java b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/StructureTemplateManagerMixin.java
similarity index 97%
rename from fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/StructureTemplateManagerMixin.java
rename to fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/StructureTemplateManagerMixin.java
index 90a9d79ac0..2d2063abc7 100644
--- a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/StructureTemplateManagerMixin.java
+++ b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/StructureTemplateManagerMixin.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.fabricmc.fabric.mixin;
+package net.fabricmc.fabric.mixin.dev;
 
 import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
 import org.spongepowered.asm.mixin.Dynamic;
diff --git a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/UtilMixin.java b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/UtilMixin.java
similarity index 98%
rename from fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/UtilMixin.java
rename to fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/UtilMixin.java
index 5d66b379d9..4085deb36f 100644
--- a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/UtilMixin.java
+++ b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/UtilMixin.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.fabricmc.fabric.mixin;
+package net.fabricmc.fabric.mixin.dev;
 
 import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
 import org.spongepowered.asm.mixin.Dynamic;
diff --git a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/WeightMixin.java b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/WeightMixin.java
similarity index 97%
rename from fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/WeightMixin.java
rename to fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/WeightMixin.java
index 2d65f9f8c2..61617b4846 100644
--- a/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/WeightMixin.java
+++ b/fabric-api-dev/src/main/java/net/fabricmc/fabric/mixin/dev/WeightMixin.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package net.fabricmc.fabric.mixin;
+package net.fabricmc.fabric.mixin.dev;
 
 import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
 import org.spongepowered.asm.mixin.Dynamic;
diff --git a/fabric-api-dev/src/main/resources/fabric-api-dev.mixins.json b/fabric-api-dev/src/main/resources/fabric-api-dev.mixins.json
index be877406dc..36fc3ad60f 100644
--- a/fabric-api-dev/src/main/resources/fabric-api-dev.mixins.json
+++ b/fabric-api-dev/src/main/resources/fabric-api-dev.mixins.json
@@ -3,17 +3,17 @@
   "package": "net.fabricmc.fabric.mixin",
   "compatibilityLevel": "JAVA_17",
   "mixins": [
-    "ArgumentTypesMixin",
-    "BlockAndItemMixin",
-    "BlockBoxMixin",
-    "BootstrapMixin",
-    "ChunkMixin",
-    "CommandManagerMixin",
-    "EulaReaderMixin",
-    "MinecraftServerMixin",
-    "StructureTemplateManagerMixin",
-    "UtilMixin",
-    "WeightMixin"
+    "dev.ArgumentTypesMixin",
+    "dev.BlockAndItemMixin",
+    "dev.BlockBoxMixin",
+    "dev.BootstrapMixin",
+    "dev.ChunkMixin",
+    "dev.CommandManagerMixin",
+    "dev.EulaReaderMixin",
+    "dev.MinecraftServerMixin",
+    "dev.StructureTemplateManagerMixin",
+    "dev.UtilMixin",
+    "dev.WeightMixin"
   ],
   "injectors": {
     "defaultRequire": 1