diff --git a/src/Class.zig b/src/Class.zig
index 198ff72..2f09ba7 100644
--- a/src/Class.zig
+++ b/src/Class.zig
@@ -361,11 +361,92 @@ pub const ConstantPoolInfo = union(ConstantPoolInfo.Tag) {
         invoke_dynamic = 18,
     };
 
-    pub const Class = @import("Class/ConstantPoolInfo/Class.zig");
-    pub const FieldRef = @import("Class/ConstantPoolInfo/FieldRef.zig");
-    pub const MethodRef = @import("Class/ConstantPoolInfo/MethodRef.zig");
-    pub const InterfaceMethodRef = @import("Class/ConstantPoolInfo/InterfaceMethodRef.zig");
-    pub const String = @import("Class/ConstantPoolInfo/String.zig");
+    pub const Class = struct {
+        name_index: u16,
+
+        pub fn name(self: *const Class, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
+            const name_index = self.name_index - 1;
+            if (name_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
+            const cp_info = constant_pool[name_index];
+            if (cp_info == null or @as(Tag, cp_info.?) != .utf8) return ResolveError.InvalidConstantType;
+            return cp_info.?;
+        }
+    };
+
+    pub const FieldRef = struct {
+        class_index: u16,
+        name_and_type_index: u16,
+
+        pub fn class(self: *const FieldRef, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
+            const class_index = self.class_index - 1;
+            if (class_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
+            const cp_info = constant_pool[class_index];
+            if (cp_info == null or @as(Tag, cp_info.?) != .class) return ResolveError.InvalidConstantType;
+            return cp_info.?;
+        }
+
+        pub fn nameAndType(self: *const FieldRef, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
+            const name_and_type_index = self.name_and_type_index - 1;
+            if (name_and_type_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
+            const cp_info = constant_pool[name_and_type_index];
+            if (cp_info == null or @as(Tag, cp_info.?) != .name_and_type) return ResolveError.InvalidConstantType;
+            return cp_info.?;
+        }
+    };
+
+    pub const MethodRef = struct {
+        class_index: u16,
+        name_and_type_index: u16,
+
+        pub fn class(self: *const MethodRef, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
+            const class_index = self.class_index - 1;
+            if (class_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
+            const cp_info = constant_pool[class_index];
+            if (cp_info == null or @as(Tag, cp_info.?) != .class) return ResolveError.InvalidConstantType;
+            return cp_info.?;
+        }
+
+        pub fn nameAndType(self: *const MethodRef, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
+            const name_and_type_index = self.name_and_type_index - 1;
+            if (name_and_type_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
+            const cp_info = constant_pool[name_and_type_index];
+            if (cp_info == null or @as(Tag, cp_info.?) != .name_and_type) return ResolveError.InvalidConstantType;
+            return cp_info.?;
+        }
+    };
+
+    pub const InterfaceMethodRef = struct {
+        class_index: u16,
+        name_and_type_index: u16,
+
+        pub fn class(self: *const InterfaceMethodRef, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
+            const class_index = self.class_index - 1;
+            if (class_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
+            const cp_info = constant_pool[class_index];
+            if (cp_info == null or @as(Tag, cp_info.?) != .class) return ResolveError.InvalidConstantType;
+            return cp_info.?;
+        }
+
+        pub fn nameAndType(self: *const InterfaceMethodRef, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
+            const name_and_type_index = self.name_and_type_index - 1;
+            if (name_and_type_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
+            const cp_info = constant_pool[name_and_type_index];
+            if (cp_info == null or @as(Tag, cp_info.?) != .name_and_type) return ResolveError.InvalidConstantType;
+            return cp_info.?;
+        }
+    };
+
+    pub const String = struct {
+        string_index: u16,
+
+        pub fn string(self: *const String, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
+            const string_index = self.string_index - 1;
+            if (string_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
+            const cp_info = constant_pool[string_index];
+            if (cp_info == null or @as(Tag, cp_info.?) != .utf8) return ResolveError.InvalidConstantType;
+            return cp_info.?;
+        }
+    };
 
     pub const Integer = struct {
         bytes: u32,
@@ -385,15 +466,92 @@ pub const ConstantPoolInfo = union(ConstantPoolInfo.Tag) {
         low_bytes: u32,
     };
 
-    pub const NameAndType = @import("Class/ConstantPoolInfo/NameAndType.zig");
+    pub const NameAndType = struct {
+        name_index: u16,
+        descriptor_index: u16,
+
+        pub fn name(self: *const NameAndType, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
+            const name_index = self.name_index - 1;
+            if (name_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
+            const cp_info = constant_pool[name_index];
+            if (cp_info == null or @as(Tag, cp_info.?) != .utf8) return ResolveError.InvalidConstantType;
+            return cp_info.?;
+        }
+
+        pub fn descriptor(self: *const NameAndType, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
+            const descriptor_index = self.descriptor_index - 1;
+            if (descriptor_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
+            const cp_info = constant_pool[descriptor_index];
+            if (cp_info == null or @as(Tag, cp_info.?) != .utf8) return ResolveError.InvalidConstantType;
+            return cp_info.?;
+        }
+    };
 
     pub const Utf8 = struct {
         bytes: []const u8,
     };
 
-    pub const MethodHandle = @import("Class/ConstantPoolInfo/MethodHandle.zig");
-    pub const MethodType = @import("Class/ConstantPoolInfo/MethodType.zig");
-    pub const InvokeDynamic = @import("Class/ConstantPoolInfo/InvokeDynamic.zig");
+    pub const MethodHandle = struct {
+        reference_kind: Kind,
+        reference_index: u16,
+
+        pub const Kind = enum(u8) {
+            get_field = 1,
+            get_static = 2,
+            put_field = 3,
+            put_static = 4,
+            invoke_virtual = 5,
+            invoke_static = 6,
+            invoke_special = 7,
+            new_invoke_special = 8,
+            invoke_interface = 9,
+        };
+
+        pub fn reference(self: *const MethodHandle, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
+            const reference_index = self.reference_index - 1;
+            if (reference_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
+            const cp_info = constant_pool[reference_index];
+            return switch (self.reference_kind) {
+                .get_field, .get_static, .put_field, .put_static => blk: {
+                    if (cp_info == null or @as(Tag, cp_info.?) != .field_ref) break :blk ResolveError.InvalidConstantType;
+                    break :blk cp_info.?;
+                },
+                .invoke_virtual, .invoke_static, .invoke_special, .new_invoke_special => blk: {
+                    if (cp_info == null or @as(Tag, cp_info.?) != .method_ref) break :blk ResolveError.InvalidConstantType;
+                    break :blk cp_info.?;
+                },
+                .invoke_interface => blk: {
+                    if (cp_info == null or @as(Tag, cp_info.?) != .interface_method_ref) break :blk ResolveError.InvalidConstantType;
+                    break :blk cp_info.?;
+                },
+            };
+        }
+    };
+
+    pub const MethodType = struct {
+        descriptor_index: u16,
+
+        pub fn descriptor(self: *const MethodType, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
+            const descriptor_index = self.descriptor_index - 1;
+            if (descriptor_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
+            const cp_info = constant_pool[descriptor_index];
+            if (cp_info == null or @as(Tag, cp_info.?) != .utf8) return ResolveError.InvalidConstantType;
+            return cp_info.?;
+        }
+    };
+
+    pub const InvokeDynamic = struct {
+        bootstrap_method_attr_index: u16,
+        name_and_type_index: u16,
+
+        pub fn nameAndType(self: *const InvokeDynamic, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
+            const name_and_type_index = self.name_and_type_index - 1;
+            if (name_and_type_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
+            const cp_info = constant_pool[name_and_type_index];
+            if (cp_info == null or @as(Tag, cp_info.?) != .name_and_type) return ResolveError.InvalidConstantType;
+            return cp_info.?;
+        }
+    };
 
     pub fn parse(input: *std.Io.Reader, allocator: std.mem.Allocator) ParseError!ConstantPoolInfo {
         const tag_byte = try input.takeByte();
diff --git a/src/Class/AttributeInfo.zig b/src/Class/AttributeInfo.zig
index 66c750c..a3276da 100644
--- a/src/Class/AttributeInfo.zig
+++ b/src/Class/AttributeInfo.zig
@@ -219,13 +219,13 @@ pub const Predefined = union(enum) {
                         .object = .{
                             .cpool_index = try input.takeInt(u16, .big),
                         },
-                        },
+                    },
                     .uninitialized => .{
                         .uninitialized = .{
                             .cpool_index = try input.takeInt(u16, .big),
                         },
-                        },
-                    };
+                    },
+                };
             }
         };
     };
diff --git a/src/Class/ConstantPoolInfo/Class.zig b/src/Class/ConstantPoolInfo/Class.zig
deleted file mode 100644
index e22266b..0000000
--- a/src/Class/ConstantPoolInfo/Class.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-const Class = @import("../../Class.zig");
-const ConstantPoolInfo = Class.ConstantPoolInfo;
-const ResolveError = Class.ResolveError;
-
-name_index: u16,
-
-const Self = @This();
-
-pub fn name(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
-    const name_index = self.name_index - 1;
-    if (name_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
-    const cp_info = constant_pool[name_index];
-    if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .utf8) return ResolveError.InvalidConstantType;
-    return cp_info.?;
-}
-
diff --git a/src/Class/ConstantPoolInfo/FieldRef.zig b/src/Class/ConstantPoolInfo/FieldRef.zig
deleted file mode 100644
index 7f5da75..0000000
--- a/src/Class/ConstantPoolInfo/FieldRef.zig
+++ /dev/null
@@ -1,25 +0,0 @@
-const Class = @import("../../Class.zig");
-const ConstantPoolInfo = Class.ConstantPoolInfo;
-const ResolveError = Class.ResolveError;
-
-class_index: u16,
-name_and_type_index: u16,
-
-const Self = @This();
-
-pub fn class(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
-    const class_index = self.class_index - 1;
-    if (class_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
-    const cp_info = constant_pool[class_index];
-    if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .class) return ResolveError.InvalidConstantType;
-    return cp_info.?;
-}
-
-pub fn nameAndType(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
-    const name_and_type_index = self.name_and_type_index - 1;
-    if (name_and_type_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
-    const cp_info = constant_pool[name_and_type_index];
-    if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .name_and_type) return ResolveError.InvalidConstantType;
-    return cp_info.?;
-}
-
diff --git a/src/Class/ConstantPoolInfo/InterfaceMethodRef.zig b/src/Class/ConstantPoolInfo/InterfaceMethodRef.zig
deleted file mode 100644
index 7f5da75..0000000
--- a/src/Class/ConstantPoolInfo/InterfaceMethodRef.zig
+++ /dev/null
@@ -1,25 +0,0 @@
-const Class = @import("../../Class.zig");
-const ConstantPoolInfo = Class.ConstantPoolInfo;
-const ResolveError = Class.ResolveError;
-
-class_index: u16,
-name_and_type_index: u16,
-
-const Self = @This();
-
-pub fn class(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
-    const class_index = self.class_index - 1;
-    if (class_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
-    const cp_info = constant_pool[class_index];
-    if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .class) return ResolveError.InvalidConstantType;
-    return cp_info.?;
-}
-
-pub fn nameAndType(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
-    const name_and_type_index = self.name_and_type_index - 1;
-    if (name_and_type_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
-    const cp_info = constant_pool[name_and_type_index];
-    if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .name_and_type) return ResolveError.InvalidConstantType;
-    return cp_info.?;
-}
-
diff --git a/src/Class/ConstantPoolInfo/InvokeDynamic.zig b/src/Class/ConstantPoolInfo/InvokeDynamic.zig
deleted file mode 100644
index eb3970c..0000000
--- a/src/Class/ConstantPoolInfo/InvokeDynamic.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-const Class = @import("../../Class.zig");
-const ConstantPoolInfo = Class.ConstantPoolInfo;
-const ResolveError = Class.ResolveError;
-
-bootstrap_method_attr_index: u16,
-name_and_type_index: u16,
-
-const Self = @This();
-
-pub fn nameAndType(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
-    const name_and_type_index = self.name_and_type_index - 1;
-    if (name_and_type_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
-    const cp_info = constant_pool[name_and_type_index];
-    if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .name_and_type) return ResolveError.InvalidConstantType;
-    return cp_info.?;
-}
diff --git a/src/Class/ConstantPoolInfo/MethodHandle.zig b/src/Class/ConstantPoolInfo/MethodHandle.zig
deleted file mode 100644
index b7fab85..0000000
--- a/src/Class/ConstantPoolInfo/MethodHandle.zig
+++ /dev/null
@@ -1,41 +0,0 @@
-const Class = @import("../../Class.zig");
-const ConstantPoolInfo = Class.ConstantPoolInfo;
-const ResolveError = Class.ResolveError;
-
-reference_kind: Kind,
-reference_index: u16,
-
-const Self = @This();
-
-pub const Kind = enum(u8) {
-    get_field = 1,
-    get_static = 2,
-    put_field = 3,
-    put_static = 4,
-    invoke_virtual = 5,
-    invoke_static = 6,
-    invoke_special = 7,
-    new_invoke_special = 8,
-    invoke_interface = 9,
-};
-
-pub fn reference(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
-    const reference_index = self.reference_index - 1;
-    if (reference_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
-    const cp_info = constant_pool[reference_index];
-    return switch (self.reference_kind) {
-        .get_field, .get_static, .put_field, .put_static => blk: {
-            if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .field_ref) break :blk ResolveError.InvalidConstantType;
-            break :blk cp_info.?;
-        },
-        .invoke_virtual, .invoke_static, .invoke_special, .new_invoke_special => blk: {
-            if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .method_ref) break :blk ResolveError.InvalidConstantType;
-            break :blk cp_info.?;
-        },
-        .invoke_interface => blk: {
-            if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .interface_method_ref) break :blk ResolveError.InvalidConstantType;
-            break :blk cp_info.?;
-        },
-    };
-}
-
diff --git a/src/Class/ConstantPoolInfo/MethodRef.zig b/src/Class/ConstantPoolInfo/MethodRef.zig
deleted file mode 100644
index 7f5da75..0000000
--- a/src/Class/ConstantPoolInfo/MethodRef.zig
+++ /dev/null
@@ -1,25 +0,0 @@
-const Class = @import("../../Class.zig");
-const ConstantPoolInfo = Class.ConstantPoolInfo;
-const ResolveError = Class.ResolveError;
-
-class_index: u16,
-name_and_type_index: u16,
-
-const Self = @This();
-
-pub fn class(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
-    const class_index = self.class_index - 1;
-    if (class_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
-    const cp_info = constant_pool[class_index];
-    if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .class) return ResolveError.InvalidConstantType;
-    return cp_info.?;
-}
-
-pub fn nameAndType(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
-    const name_and_type_index = self.name_and_type_index - 1;
-    if (name_and_type_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
-    const cp_info = constant_pool[name_and_type_index];
-    if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .name_and_type) return ResolveError.InvalidConstantType;
-    return cp_info.?;
-}
-
diff --git a/src/Class/ConstantPoolInfo/MethodType.zig b/src/Class/ConstantPoolInfo/MethodType.zig
deleted file mode 100644
index de6a423..0000000
--- a/src/Class/ConstantPoolInfo/MethodType.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-const Class = @import("../../Class.zig");
-const ConstantPoolInfo = Class.ConstantPoolInfo;
-const ResolveError = Class.ResolveError;
-
-descriptor_index: u16,
-
-const Self = @This();
-
-pub fn descriptor(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
-    const descriptor_index = self.descriptor_index - 1;
-    if (descriptor_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
-    const cp_info = constant_pool[descriptor_index];
-    if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .utf8) return ResolveError.InvalidConstantType;
-    return cp_info.?;
-}
-
diff --git a/src/Class/ConstantPoolInfo/NameAndType.zig b/src/Class/ConstantPoolInfo/NameAndType.zig
deleted file mode 100644
index 7423065..0000000
--- a/src/Class/ConstantPoolInfo/NameAndType.zig
+++ /dev/null
@@ -1,25 +0,0 @@
-const Class = @import("../../Class.zig");
-const ConstantPoolInfo = Class.ConstantPoolInfo;
-const ResolveError = Class.ResolveError;
-
-name_index: u16,
-descriptor_index: u16,
-
-const Self = @This();
-
-pub fn name(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
-    const name_index = self.name_index - 1;
-    if (name_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
-    const cp_info = constant_pool[name_index];
-    if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .utf8) return ResolveError.InvalidConstantType;
-    return cp_info.?;
-}
-
-pub fn descriptor(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
-    const descriptor_index = self.descriptor_index - 1;
-    if (descriptor_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
-    const cp_info = constant_pool[descriptor_index];
-    if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .utf8) return ResolveError.InvalidConstantType;
-    return cp_info.?;
-}
-
diff --git a/src/Class/ConstantPoolInfo/String.zig b/src/Class/ConstantPoolInfo/String.zig
deleted file mode 100644
index 0e096aa..0000000
--- a/src/Class/ConstantPoolInfo/String.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-const Class = @import("../../Class.zig");
-const ConstantPoolInfo = Class.ConstantPoolInfo;
-const ResolveError = Class.ResolveError;
-
-string_index: u16,
-
-const Self = @This();
-
-pub fn string(self: *const Self, constant_pool: []const ?ConstantPoolInfo) ResolveError!ConstantPoolInfo {
-    const string_index = self.string_index - 1;
-    if (string_index >= constant_pool.len) return ResolveError.InvalidConstantPoolIndex;
-    const cp_info = constant_pool[string_index];
-    if (cp_info == null or @as(ConstantPoolInfo.Tag, cp_info.?) != .utf8) return ResolveError.InvalidConstantType;
-    return cp_info.?;
-}
-