diff --git a/src/arch/aarch64/CodeGen.zig b/src/arch/aarch64/CodeGen.zig
index b333ffc666..532bfcb9bf 100644
--- a/src/arch/aarch64/CodeGen.zig
+++ b/src/arch/aarch64/CodeGen.zig
@@ -24,7 +24,7 @@ const log = std.log.scoped(.codegen);
 const build_options = @import("build_options");
 
 const GenerateSymbolError = codegen.GenerateSymbolError;
-const FnResult = codegen.FnResult;
+const Result = codegen.Result;
 const DebugInfoOutput = codegen.DebugInfoOutput;
 
 const bits = @import("bits.zig");
@@ -349,7 +349,7 @@ pub fn generate(
     liveness: Liveness,
     code: *std.ArrayList(u8),
     debug_output: DebugInfoOutput,
-) GenerateSymbolError!FnResult {
+) GenerateSymbolError!Result {
     if (build_options.skip_non_native and builtin.cpu.arch != bin_file.options.target.cpu.arch) {
         @panic("Attempted to compile for architecture that was disabled by build configuration");
     }
@@ -392,8 +392,8 @@ pub fn generate(
     defer function.dbg_info_relocs.deinit(bin_file.allocator);
 
     var call_info = function.resolveCallingConventionValues(fn_type) catch |err| switch (err) {
-        error.CodegenFail => return FnResult{ .fail = function.err_msg.? },
-        error.OutOfRegisters => return FnResult{
+        error.CodegenFail => return Result{ .fail = function.err_msg.? },
+        error.OutOfRegisters => return Result{
             .fail = try ErrorMsg.create(bin_file.allocator, src_loc, "CodeGen ran out of registers. This is a bug in the Zig compiler.", .{}),
         },
         else => |e| return e,
@@ -406,8 +406,8 @@ pub fn generate(
     function.max_end_stack = call_info.stack_byte_count;
 
     function.gen() catch |err| switch (err) {
-        error.CodegenFail => return FnResult{ .fail = function.err_msg.? },
-        error.OutOfRegisters => return FnResult{
+        error.CodegenFail => return Result{ .fail = function.err_msg.? },
+        error.OutOfRegisters => return Result{
             .fail = try ErrorMsg.create(bin_file.allocator, src_loc, "CodeGen ran out of registers. This is a bug in the Zig compiler.", .{}),
         },
         else => |e| return e,
@@ -439,14 +439,14 @@ pub fn generate(
     defer emit.deinit();
 
     emit.emitMir() catch |err| switch (err) {
-        error.EmitFail => return FnResult{ .fail = emit.err_msg.? },
+        error.EmitFail => return Result{ .fail = emit.err_msg.? },
         else => |e| return e,
     };
 
     if (function.err_msg) |em| {
-        return FnResult{ .fail = em };
+        return Result{ .fail = em };
     } else {
-        return FnResult{ .appended = {} };
+        return Result{ .appended = {} };
     }
 }
 
diff --git a/src/arch/arm/CodeGen.zig b/src/arch/arm/CodeGen.zig
index fec844a867..38cf86c758 100644
--- a/src/arch/arm/CodeGen.zig
+++ b/src/arch/arm/CodeGen.zig
@@ -23,7 +23,7 @@ const leb128 = std.leb;
 const log = std.log.scoped(.codegen);
 const build_options = @import("build_options");
 
-const FnResult = codegen.FnResult;
+const Result = codegen.Result;
 const GenerateSymbolError = codegen.GenerateSymbolError;
 const DebugInfoOutput = codegen.DebugInfoOutput;
 
@@ -356,7 +356,7 @@ pub fn generate(
     liveness: Liveness,
     code: *std.ArrayList(u8),
     debug_output: DebugInfoOutput,
-) GenerateSymbolError!FnResult {
+) GenerateSymbolError!Result {
     if (build_options.skip_non_native and builtin.cpu.arch != bin_file.options.target.cpu.arch) {
         @panic("Attempted to compile for architecture that was disabled by build configuration");
     }
@@ -399,8 +399,8 @@ pub fn generate(
     defer function.dbg_info_relocs.deinit(bin_file.allocator);
 
     var call_info = function.resolveCallingConventionValues(fn_type) catch |err| switch (err) {
-        error.CodegenFail => return FnResult{ .fail = function.err_msg.? },
-        error.OutOfRegisters => return FnResult{
+        error.CodegenFail => return Result{ .fail = function.err_msg.? },
+        error.OutOfRegisters => return Result{
             .fail = try ErrorMsg.create(bin_file.allocator, src_loc, "CodeGen ran out of registers. This is a bug in the Zig compiler.", .{}),
         },
         else => |e| return e,
@@ -413,8 +413,8 @@ pub fn generate(
     function.max_end_stack = call_info.stack_byte_count;
 
     function.gen() catch |err| switch (err) {
-        error.CodegenFail => return FnResult{ .fail = function.err_msg.? },
-        error.OutOfRegisters => return FnResult{
+        error.CodegenFail => return Result{ .fail = function.err_msg.? },
+        error.OutOfRegisters => return Result{
             .fail = try ErrorMsg.create(bin_file.allocator, src_loc, "CodeGen ran out of registers. This is a bug in the Zig compiler.", .{}),
         },
         else => |e| return e,
@@ -446,14 +446,14 @@ pub fn generate(
     defer emit.deinit();
 
     emit.emitMir() catch |err| switch (err) {
-        error.EmitFail => return FnResult{ .fail = emit.err_msg.? },
+        error.EmitFail => return Result{ .fail = emit.err_msg.? },
         else => |e| return e,
     };
 
     if (function.err_msg) |em| {
-        return FnResult{ .fail = em };
+        return Result{ .fail = em };
     } else {
-        return FnResult{ .appended = {} };
+        return Result{ .appended = {} };
     }
 }
 
diff --git a/src/arch/riscv64/CodeGen.zig b/src/arch/riscv64/CodeGen.zig
index 2c63f171ad..71dcfef35e 100644
--- a/src/arch/riscv64/CodeGen.zig
+++ b/src/arch/riscv64/CodeGen.zig
@@ -22,7 +22,7 @@ const leb128 = std.leb;
 const log = std.log.scoped(.codegen);
 const build_options = @import("build_options");
 
-const FnResult = @import("../../codegen.zig").FnResult;
+const Result = @import("../../codegen.zig").Result;
 const GenerateSymbolError = @import("../../codegen.zig").GenerateSymbolError;
 const DebugInfoOutput = @import("../../codegen.zig").DebugInfoOutput;
 
@@ -225,7 +225,7 @@ pub fn generate(
     liveness: Liveness,
     code: *std.ArrayList(u8),
     debug_output: DebugInfoOutput,
-) GenerateSymbolError!FnResult {
+) GenerateSymbolError!Result {
     if (build_options.skip_non_native and builtin.cpu.arch != bin_file.options.target.cpu.arch) {
         @panic("Attempted to compile for architecture that was disabled by build configuration");
     }
@@ -268,8 +268,8 @@ pub fn generate(
     defer function.exitlude_jump_relocs.deinit(bin_file.allocator);
 
     var call_info = function.resolveCallingConventionValues(fn_type) catch |err| switch (err) {
-        error.CodegenFail => return FnResult{ .fail = function.err_msg.? },
-        error.OutOfRegisters => return FnResult{
+        error.CodegenFail => return Result{ .fail = function.err_msg.? },
+        error.OutOfRegisters => return Result{
             .fail = try ErrorMsg.create(bin_file.allocator, src_loc, "CodeGen ran out of registers. This is a bug in the Zig compiler.", .{}),
         },
         else => |e| return e,
@@ -282,8 +282,8 @@ pub fn generate(
     function.max_end_stack = call_info.stack_byte_count;
 
     function.gen() catch |err| switch (err) {
-        error.CodegenFail => return FnResult{ .fail = function.err_msg.? },
-        error.OutOfRegisters => return FnResult{
+        error.CodegenFail => return Result{ .fail = function.err_msg.? },
+        error.OutOfRegisters => return Result{
             .fail = try ErrorMsg.create(bin_file.allocator, src_loc, "CodeGen ran out of registers. This is a bug in the Zig compiler.", .{}),
         },
         else => |e| return e,
@@ -309,14 +309,14 @@ pub fn generate(
     defer emit.deinit();
 
     emit.emitMir() catch |err| switch (err) {
-        error.EmitFail => return FnResult{ .fail = emit.err_msg.? },
+        error.EmitFail => return Result{ .fail = emit.err_msg.? },
         else => |e| return e,
     };
 
     if (function.err_msg) |em| {
-        return FnResult{ .fail = em };
+        return Result{ .fail = em };
     } else {
-        return FnResult{ .appended = {} };
+        return Result{ .appended = {} };
     }
 }
 
diff --git a/src/arch/sparc64/CodeGen.zig b/src/arch/sparc64/CodeGen.zig
index 943d21c47b..a5ae985442 100644
--- a/src/arch/sparc64/CodeGen.zig
+++ b/src/arch/sparc64/CodeGen.zig
@@ -20,7 +20,7 @@ const Emit = @import("Emit.zig");
 const Liveness = @import("../../Liveness.zig");
 const Type = @import("../../type.zig").Type;
 const GenerateSymbolError = @import("../../codegen.zig").GenerateSymbolError;
-const FnResult = @import("../../codegen.zig").FnResult;
+const Result = @import("../../codegen.zig").Result;
 const DebugInfoOutput = @import("../../codegen.zig").DebugInfoOutput;
 
 const build_options = @import("build_options");
@@ -265,7 +265,7 @@ pub fn generate(
     liveness: Liveness,
     code: *std.ArrayList(u8),
     debug_output: DebugInfoOutput,
-) GenerateSymbolError!FnResult {
+) GenerateSymbolError!Result {
     if (build_options.skip_non_native and builtin.cpu.arch != bin_file.options.target.cpu.arch) {
         @panic("Attempted to compile for architecture that was disabled by build configuration");
     }
@@ -310,8 +310,8 @@ pub fn generate(
     defer function.exitlude_jump_relocs.deinit(bin_file.allocator);
 
     var call_info = function.resolveCallingConventionValues(fn_type, .callee) catch |err| switch (err) {
-        error.CodegenFail => return FnResult{ .fail = function.err_msg.? },
-        error.OutOfRegisters => return FnResult{
+        error.CodegenFail => return Result{ .fail = function.err_msg.? },
+        error.OutOfRegisters => return Result{
             .fail = try ErrorMsg.create(bin_file.allocator, src_loc, "CodeGen ran out of registers. This is a bug in the Zig compiler.", .{}),
         },
         else => |e| return e,
@@ -324,8 +324,8 @@ pub fn generate(
     function.max_end_stack = call_info.stack_byte_count;
 
     function.gen() catch |err| switch (err) {
-        error.CodegenFail => return FnResult{ .fail = function.err_msg.? },
-        error.OutOfRegisters => return FnResult{
+        error.CodegenFail => return Result{ .fail = function.err_msg.? },
+        error.OutOfRegisters => return Result{
             .fail = try ErrorMsg.create(bin_file.allocator, src_loc, "CodeGen ran out of registers. This is a bug in the Zig compiler.", .{}),
         },
         else => |e| return e,
@@ -351,14 +351,14 @@ pub fn generate(
     defer emit.deinit();
 
     emit.emitMir() catch |err| switch (err) {
-        error.EmitFail => return FnResult{ .fail = emit.err_msg.? },
+        error.EmitFail => return Result{ .fail = emit.err_msg.? },
         else => |e| return e,
     };
 
     if (function.err_msg) |em| {
-        return FnResult{ .fail = em };
+        return Result{ .fail = em };
     } else {
-        return FnResult{ .appended = {} };
+        return Result{ .appended = {} };
     }
 }
 
diff --git a/src/arch/wasm/CodeGen.zig b/src/arch/wasm/CodeGen.zig
index c27639e14a..55cfc1096a 100644
--- a/src/arch/wasm/CodeGen.zig
+++ b/src/arch/wasm/CodeGen.zig
@@ -627,13 +627,6 @@ test "Wasm - buildOpcode" {
     try testing.expectEqual(@as(wasm.Opcode, .f64_reinterpret_i64), f64_reinterpret_i64);
 }
 
-pub const Result = union(enum) {
-    /// The codegen bytes have been appended to `Context.code`
-    appended: void,
-    /// The data is managed externally and are part of the `Result`
-    externally_managed: []const u8,
-};
-
 /// Hashmap to store generated `WValue` for each `Air.Inst.Ref`
 pub const ValueTable = std.AutoArrayHashMapUnmanaged(Air.Inst.Ref, WValue);
 
@@ -1171,7 +1164,7 @@ pub fn generate(
     liveness: Liveness,
     code: *std.ArrayList(u8),
     debug_output: codegen.DebugInfoOutput,
-) codegen.GenerateSymbolError!codegen.FnResult {
+) codegen.GenerateSymbolError!codegen.Result {
     _ = src_loc;
     var code_gen: CodeGen = .{
         .gpa = bin_file.allocator,
@@ -1190,11 +1183,11 @@ pub fn generate(
     defer code_gen.deinit();
 
     genFunc(&code_gen) catch |err| switch (err) {
-        error.CodegenFail => return codegen.FnResult{ .fail = code_gen.err_msg },
+        error.CodegenFail => return codegen.Result{ .fail = code_gen.err_msg },
         else => |e| return e,
     };
 
-    return codegen.FnResult{ .appended = {} };
+    return codegen.Result{ .appended = {} };
 }
 
 fn genFunc(func: *CodeGen) InnerError!void {
diff --git a/src/arch/x86_64/CodeGen.zig b/src/arch/x86_64/CodeGen.zig
index 2ad31bf7ba..d68aa81cac 100644
--- a/src/arch/x86_64/CodeGen.zig
+++ b/src/arch/x86_64/CodeGen.zig
@@ -16,7 +16,7 @@ const Compilation = @import("../../Compilation.zig");
 const DebugInfoOutput = codegen.DebugInfoOutput;
 const DW = std.dwarf;
 const ErrorMsg = Module.ErrorMsg;
-const FnResult = codegen.FnResult;
+const Result = codegen.Result;
 const GenerateSymbolError = codegen.GenerateSymbolError;
 const Emit = @import("Emit.zig");
 const Liveness = @import("../../Liveness.zig");
@@ -257,7 +257,7 @@ pub fn generate(
     liveness: Liveness,
     code: *std.ArrayList(u8),
     debug_output: DebugInfoOutput,
-) GenerateSymbolError!FnResult {
+) GenerateSymbolError!Result {
     if (build_options.skip_non_native and builtin.cpu.arch != bin_file.options.target.cpu.arch) {
         @panic("Attempted to compile for architecture that was disabled by build configuration");
     }
@@ -305,8 +305,8 @@ pub fn generate(
     defer if (builtin.mode == .Debug) function.mir_to_air_map.deinit();
 
     var call_info = function.resolveCallingConventionValues(fn_type) catch |err| switch (err) {
-        error.CodegenFail => return FnResult{ .fail = function.err_msg.? },
-        error.OutOfRegisters => return FnResult{
+        error.CodegenFail => return Result{ .fail = function.err_msg.? },
+        error.OutOfRegisters => return Result{
             .fail = try ErrorMsg.create(bin_file.allocator, src_loc, "CodeGen ran out of registers. This is a bug in the Zig compiler.", .{}),
         },
         else => |e| return e,
@@ -319,8 +319,8 @@ pub fn generate(
     function.max_end_stack = call_info.stack_byte_count;
 
     function.gen() catch |err| switch (err) {
-        error.CodegenFail => return FnResult{ .fail = function.err_msg.? },
-        error.OutOfRegisters => return FnResult{
+        error.CodegenFail => return Result{ .fail = function.err_msg.? },
+        error.OutOfRegisters => return Result{
             .fail = try ErrorMsg.create(bin_file.allocator, src_loc, "CodeGen ran out of registers. This is a bug in the Zig compiler.", .{}),
         },
         else => |e| return e,
@@ -345,14 +345,14 @@ pub fn generate(
     };
     defer emit.deinit();
     emit.lowerMir() catch |err| switch (err) {
-        error.EmitFail => return FnResult{ .fail = emit.err_msg.? },
+        error.EmitFail => return Result{ .fail = emit.err_msg.? },
         else => |e| return e,
     };
 
     if (function.err_msg) |em| {
-        return FnResult{ .fail = em };
+        return Result{ .fail = em };
     } else {
-        return FnResult{ .appended = {} };
+        return Result{ .appended = {} };
     }
 }
 
diff --git a/src/codegen.zig b/src/codegen.zig
index e8dd661684..1bb0d390e6 100644
--- a/src/codegen.zig
+++ b/src/codegen.zig
@@ -21,16 +21,9 @@ const TypedValue = @import("TypedValue.zig");
 const Value = @import("value.zig").Value;
 const Zir = @import("Zir.zig");
 
-pub const FnResult = union(enum) {
-    /// The `code` parameter passed to `generateSymbol` has the value appended.
-    appended: void,
-    fail: *ErrorMsg,
-};
 pub const Result = union(enum) {
     /// The `code` parameter passed to `generateSymbol` has the value appended.
     appended: void,
-    /// The value is available externally, `code` is unused.
-    externally_managed: []const u8,
     fail: *ErrorMsg,
 };
 
@@ -89,7 +82,7 @@ pub fn generateFunction(
     liveness: Liveness,
     code: *std.ArrayList(u8),
     debug_output: DebugInfoOutput,
-) GenerateSymbolError!FnResult {
+) GenerateSymbolError!Result {
     switch (bin_file.options.target.cpu.arch) {
         .arm,
         .armeb,
@@ -209,9 +202,6 @@ pub fn generateSymbol(
                         .val = elem_val,
                     }, code, debug_output, reloc_info)) {
                         .appended => {},
-                        .externally_managed => |slice| {
-                            code.appendSliceAssumeCapacity(slice);
-                        },
                         .fail => |em| return Result{ .fail = em },
                     }
                 }
@@ -230,9 +220,6 @@ pub fn generateSymbol(
                         .val = array,
                     }, code, debug_output, reloc_info)) {
                         .appended => {},
-                        .externally_managed => |slice| {
-                            code.appendSliceAssumeCapacity(slice);
-                        },
                         .fail => |em| return Result{ .fail = em },
                     }
                 }
@@ -243,9 +230,6 @@ pub fn generateSymbol(
                         .val = sentinel_val,
                     }, code, debug_output, reloc_info)) {
                         .appended => {},
-                        .externally_managed => |slice| {
-                            code.appendSliceAssumeCapacity(slice);
-                        },
                         .fail => |em| return Result{ .fail = em },
                     }
                 }
@@ -260,9 +244,6 @@ pub fn generateSymbol(
                     .val = sentinel_val,
                 }, code, debug_output, reloc_info)) {
                     .appended => {},
-                    .externally_managed => |slice| {
-                        code.appendSliceAssumeCapacity(slice);
-                    },
                     .fail => |em| return Result{ .fail = em },
                 }
                 return Result{ .appended = {} };
@@ -310,9 +291,6 @@ pub fn generateSymbol(
                     .val = slice.ptr,
                 }, code, debug_output, reloc_info)) {
                     .appended => {},
-                    .externally_managed => |external_slice| {
-                        code.appendSliceAssumeCapacity(external_slice);
-                    },
                     .fail => |em| return Result{ .fail = em },
                 }
 
@@ -322,9 +300,6 @@ pub fn generateSymbol(
                     .val = slice.len,
                 }, code, debug_output, reloc_info)) {
                     .appended => {},
-                    .externally_managed => |external_slice| {
-                        code.appendSliceAssumeCapacity(external_slice);
-                    },
                     .fail => |em| return Result{ .fail = em },
                 }
 
@@ -376,9 +351,6 @@ pub fn generateSymbol(
                             .val = container_ptr,
                         }, code, debug_output, reloc_info)) {
                             .appended => {},
-                            .externally_managed => |external_slice| {
-                                code.appendSliceAssumeCapacity(external_slice);
-                            },
                             .fail => |em| return Result{ .fail = em },
                         }
                         return Result{ .appended = {} };
@@ -552,9 +524,6 @@ pub fn generateSymbol(
                             .appended => {
                                 mem.copy(u8, code.items[current_pos..], tmp_list.items);
                             },
-                            .externally_managed => |external_slice| {
-                                mem.copy(u8, code.items[current_pos..], external_slice);
-                            },
                             .fail => |em| return Result{ .fail = em },
                         }
                     } else {
@@ -577,9 +546,6 @@ pub fn generateSymbol(
                     .val = field_val,
                 }, code, debug_output, reloc_info)) {
                     .appended => {},
-                    .externally_managed => |external_slice| {
-                        code.appendSliceAssumeCapacity(external_slice);
-                    },
                     .fail => |em| return Result{ .fail = em },
                 }
                 const unpadded_field_end = code.items.len - struct_begin;
@@ -613,9 +579,6 @@ pub fn generateSymbol(
                     .val = union_obj.tag,
                 }, code, debug_output, reloc_info)) {
                     .appended => {},
-                    .externally_managed => |external_slice| {
-                        code.appendSliceAssumeCapacity(external_slice);
-                    },
                     .fail => |em| return Result{ .fail = em },
                 }
             }
@@ -633,9 +596,6 @@ pub fn generateSymbol(
                     .val = union_obj.val,
                 }, code, debug_output, reloc_info)) {
                     .appended => {},
-                    .externally_managed => |external_slice| {
-                        code.appendSliceAssumeCapacity(external_slice);
-                    },
                     .fail => |em| return Result{ .fail = em },
                 }
 
@@ -651,9 +611,6 @@ pub fn generateSymbol(
                     .val = union_obj.tag,
                 }, code, debug_output, reloc_info)) {
                     .appended => {},
-                    .externally_managed => |external_slice| {
-                        code.appendSliceAssumeCapacity(external_slice);
-                    },
                     .fail => |em| return Result{ .fail = em },
                 }
             }
@@ -679,9 +636,6 @@ pub fn generateSymbol(
                         .val = payload.data,
                     }, code, debug_output, reloc_info)) {
                         .appended => {},
-                        .externally_managed => |external_slice| {
-                            code.appendSliceAssumeCapacity(external_slice);
-                        },
                         .fail => |em| return Result{ .fail = em },
                     }
                 } else if (!typed_value.val.isNull()) {
@@ -690,9 +644,6 @@ pub fn generateSymbol(
                         .val = typed_value.val,
                     }, code, debug_output, reloc_info)) {
                         .appended => {},
-                        .externally_managed => |external_slice| {
-                            code.appendSliceAssumeCapacity(external_slice);
-                        },
                         .fail => |em| return Result{ .fail = em },
                     }
                 } else {
@@ -709,9 +660,6 @@ pub fn generateSymbol(
                 .val = value,
             }, code, debug_output, reloc_info)) {
                 .appended => {},
-                .externally_managed => |external_slice| {
-                    code.appendSliceAssumeCapacity(external_slice);
-                },
                 .fail => |em| return Result{ .fail = em },
             }
 
@@ -741,9 +689,6 @@ pub fn generateSymbol(
                     .val = if (is_payload) Value.initTag(.zero) else typed_value.val,
                 }, code, debug_output, reloc_info)) {
                     .appended => {},
-                    .externally_managed => |external_slice| {
-                        code.appendSliceAssumeCapacity(external_slice);
-                    },
                     .fail => |em| return Result{ .fail = em },
                 }
             }
@@ -757,9 +702,6 @@ pub fn generateSymbol(
                     .val = payload_val,
                 }, code, debug_output, reloc_info)) {
                     .appended => {},
-                    .externally_managed => |external_slice| {
-                        code.appendSliceAssumeCapacity(external_slice);
-                    },
                     .fail => |em| return Result{ .fail = em },
                 }
                 const unpadded_end = code.items.len - begin;
@@ -779,9 +721,6 @@ pub fn generateSymbol(
                     .val = if (is_payload) Value.initTag(.zero) else typed_value.val,
                 }, code, debug_output, reloc_info)) {
                     .appended => {},
-                    .externally_managed => |external_slice| {
-                        code.appendSliceAssumeCapacity(external_slice);
-                    },
                     .fail => |em| return Result{ .fail = em },
                 }
                 const unpadded_end = code.items.len - begin;
@@ -826,9 +765,6 @@ pub fn generateSymbol(
                         .val = elem_val,
                     }, code, debug_output, reloc_info)) {
                         .appended => {},
-                        .externally_managed => |slice| {
-                            code.appendSliceAssumeCapacity(slice);
-                        },
                         .fail => |em| return Result{ .fail = em },
                     }
                 }
@@ -846,9 +782,6 @@ pub fn generateSymbol(
                         .val = array,
                     }, code, debug_output, reloc_info)) {
                         .appended => {},
-                        .externally_managed => |slice| {
-                            code.appendSliceAssumeCapacity(slice);
-                        },
                         .fail => |em| return Result{ .fail = em },
                     }
                 }
@@ -902,9 +835,6 @@ fn lowerDeclRef(
             .val = typed_value.val,
         }, code, debug_output, reloc_info)) {
             .appended => {},
-            .externally_managed => |external_slice| {
-                code.appendSliceAssumeCapacity(external_slice);
-            },
             .fail => |em| return Result{ .fail = em },
         }
 
@@ -918,9 +848,6 @@ fn lowerDeclRef(
             .val = Value.initPayload(&slice_len.base),
         }, code, debug_output, reloc_info)) {
             .appended => {},
-            .externally_managed => |external_slice| {
-                code.appendSliceAssumeCapacity(external_slice);
-            },
             .fail => |em| return Result{ .fail = em },
         }
 
diff --git a/src/link/Coff.zig b/src/link/Coff.zig
index 9c05114a1f..90073cf5ae 100644
--- a/src/link/Coff.zig
+++ b/src/link/Coff.zig
@@ -981,7 +981,6 @@ pub fn lowerUnnamedConst(self: *Coff, tv: TypedValue, decl_index: Module.Decl.In
         .parent_atom_index = atom.sym_index,
     });
     const code = switch (res) {
-        .externally_managed => |x| x,
         .appended => code_buffer.items,
         .fail => |em| {
             decl.analysis = .codegen_failure;
@@ -1042,7 +1041,6 @@ pub fn updateDecl(self: *Coff, module: *Module, decl_index: Module.Decl.Index) !
         .parent_atom_index = decl.link.coff.sym_index,
     });
     const code = switch (res) {
-        .externally_managed => |x| x,
         .appended => code_buffer.items,
         .fail => |em| {
             decl.analysis = .codegen_failure;
diff --git a/src/link/Elf.zig b/src/link/Elf.zig
index 48e0320dc6..db84cc38f7 100644
--- a/src/link/Elf.zig
+++ b/src/link/Elf.zig
@@ -2553,7 +2553,6 @@ pub fn updateDecl(self: *Elf, module: *Module, decl_index: Module.Decl.Index) !v
         });
 
     const code = switch (res) {
-        .externally_managed => |x| x,
         .appended => code_buffer.items,
         .fail => |em| {
             decl.analysis = .codegen_failure;
@@ -2618,7 +2617,6 @@ pub fn lowerUnnamedConst(self: *Elf, typed_value: TypedValue, decl_index: Module
         .parent_atom_index = atom.local_sym_index,
     });
     const code = switch (res) {
-        .externally_managed => |x| x,
         .appended => code_buffer.items,
         .fail => |em| {
             decl.analysis = .codegen_failure;
diff --git a/src/link/MachO.zig b/src/link/MachO.zig
index e6924a6717..252df865d0 100644
--- a/src/link/MachO.zig
+++ b/src/link/MachO.zig
@@ -2082,7 +2082,6 @@ pub fn lowerUnnamedConst(self: *MachO, typed_value: TypedValue, decl_index: Modu
         .parent_atom_index = atom.sym_index,
     });
     const code = switch (res) {
-        .externally_managed => |x| x,
         .appended => code_buffer.items,
         .fail => |em| {
             decl.analysis = .codegen_failure;
@@ -2167,7 +2166,6 @@ pub fn updateDecl(self: *MachO, module: *Module, decl_index: Module.Decl.Index)
         });
 
     const code = switch (res) {
-        .externally_managed => |x| x,
         .appended => code_buffer.items,
         .fail => |em| {
             decl.analysis = .codegen_failure;
diff --git a/src/link/Plan9.zig b/src/link/Plan9.zig
index 5423269bf0..3a76139fe1 100644
--- a/src/link/Plan9.zig
+++ b/src/link/Plan9.zig
@@ -358,7 +358,6 @@ pub fn lowerUnnamedConst(self: *Plan9, tv: TypedValue, decl_index: Module.Decl.I
         .parent_atom_index = @enumToInt(decl_index),
     });
     const code = switch (res) {
-        .externally_managed => |x| x,
         .appended => code_buffer.items,
         .fail => |em| {
             decl.analysis = .codegen_failure;
@@ -403,7 +402,6 @@ pub fn updateDecl(self: *Plan9, module: *Module, decl_index: Module.Decl.Index)
         .parent_atom_index = @enumToInt(decl_index),
     });
     const code = switch (res) {
-        .externally_managed => |x| x,
         .appended => code_buffer.items,
         .fail => |em| {
             decl.analysis = .codegen_failure;
diff --git a/src/link/Wasm.zig b/src/link/Wasm.zig
index 7154cd7bc1..f11a052f45 100644
--- a/src/link/Wasm.zig
+++ b/src/link/Wasm.zig
@@ -1113,7 +1113,6 @@ pub fn updateDecl(wasm: *Wasm, mod: *Module, decl_index: Module.Decl.Index) !voi
     );
 
     const code = switch (res) {
-        .externally_managed => |x| x,
         .appended => code_writer.items,
         .fail => |em| {
             decl.analysis = .codegen_failure;
@@ -1250,7 +1249,6 @@ pub fn lowerUnnamedConst(wasm: *Wasm, tv: TypedValue, decl_index: Module.Decl.In
         },
     );
     const code = switch (result) {
-        .externally_managed => |x| x,
         .appended => value_bytes.items,
         .fail => |em| {
             decl.analysis = .codegen_failure;