diff --git a/src-self-hosted/Module.zig b/src-self-hosted/Module.zig
index b15f1d8822..e63dc51eec 100644
--- a/src-self-hosted/Module.zig
+++ b/src-self-hosted/Module.zig
@@ -1696,13 +1696,7 @@ fn analyzeRootSrcFile(self: *Module, root_scope: *Scope.File) !void {
         if (src_decl.cast(ast.Node.FnProto)) |fn_proto| {
             // We will create a Decl for it regardless of analysis status.
             const name_tok = fn_proto.name_token orelse {
-                const err_msg = try ErrorMsg.create(self.allocator, tree.token_locs[fn_proto.firstToken()].end, "missing function name", .{});
-                // TODO: cache a single invalid decl in the Module?
-                const new_decl = try self.createNewDecl(&root_scope.base, "", decl_i, [1]u8{0} ** 16, [1]u8{0} ** 16);
-                root_scope.decls.appendAssumeCapacity(new_decl);
-                errdefer err_msg.destroy(self.allocator);
-                try self.failed_decls.putNoClobber(new_decl, err_msg);
-                continue;
+                @panic("TODO missing function name");
             };
 
             const name_loc = tree.token_locs[name_tok];
diff --git a/test/stage2/compile_errors.zig b/test/stage2/compile_errors.zig
index b324cdf5d5..45e60c0741 100644
--- a/test/stage2/compile_errors.zig
+++ b/test/stage2/compile_errors.zig
@@ -62,26 +62,31 @@ pub fn addCases(ctx: *TestContext) !void {
         \\@1 = export(@0, "start")
     );
 
-    ctx.incrementalFailure("function redefinition", linux_x64,
+    ctx.compileError("function redefinition", linux_x64,
         \\fn entry() void {}
         \\fn entry() void {}
-    , &[_][]const u8{":2:4: error: redefinition of 'entry'"},
-        \\fn entry() void {}
-    );
+    , &[_][]const u8{":2:4: error: redefinition of 'entry'"});
 
-    // TODO: need to make sure this works with other variants of export.
-    ctx.incrementalFailure("exported symbol collision", linux_x64,
-        \\export fn entry() void {}
-        \\export fn entry() void {}
-    , &[_][]const u8{":2:11: error: redefinition of 'entry'"},
-        \\export fn entry() void {}
-    );
+    //ctx.incrementalFailure("function redefinition", linux_x64,
+    //    \\fn entry() void {}
+    //    \\fn entry() void {}
+    //, &[_][]const u8{":2:4: error: redefinition of 'entry'"},
+    //    \\fn entry() void {}
+    //);
 
-    ctx.incrementalFailure("missing function name", linux_x64,
-        \\fn() void {}
-    , &[_][]const u8{":1:3: error: missing function name"},
-        \\fn a() void {}
-    );
+    //// TODO: need to make sure this works with other variants of export.
+    //ctx.incrementalFailure("exported symbol collision", linux_x64,
+    //    \\export fn entry() void {}
+    //    \\export fn entry() void {}
+    //, &[_][]const u8{":2:11: error: redefinition of 'entry'"},
+    //    \\export fn entry() void {}
+    //);
+
+    // ctx.incrementalFailure("missing function name", linux_x64,
+    //     \\fn() void {}
+    // , &[_][]const u8{":1:3: error: missing function name"},
+    //     \\fn a() void {}
+    // );
 
     // TODO: re-enable these tests.
     // https://github.com/ziglang/zig/issues/1364