diff --git a/toolchain/testing/testdata/min_prelude/bool.carbon b/toolchain/testing/testdata/min_prelude/bool.carbon
index 05b4428a9d6e..c626517713c1 100644
--- a/toolchain/testing/testdata/min_prelude/bool.carbon
+++ b/toolchain/testing/testdata/min_prelude/bool.carbon
@@ -2,9 +2,9 @@
 // Exceptions. See /LICENSE for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
-// EXTRA-ARGS: --custom-core --exclude-dump-file-prefix=min_prelude/
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/as.carbon
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/bool.carbon
+// EXTRA-ARGS: --custom-core --exclude-dump-file-prefix=min_prelude/
 
 // --- min_prelude/bool.carbon
 
diff --git a/toolchain/testing/testdata/min_prelude/convert.carbon b/toolchain/testing/testdata/min_prelude/convert.carbon
index 12cf10790ec8..8a11d20171e3 100644
--- a/toolchain/testing/testdata/min_prelude/convert.carbon
+++ b/toolchain/testing/testdata/min_prelude/convert.carbon
@@ -2,8 +2,8 @@
 // Exceptions. See /LICENSE for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
-// EXTRA-ARGS: --custom-core --exclude-dump-file-prefix=min_prelude/
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/as.carbon
+// EXTRA-ARGS: --custom-core --exclude-dump-file-prefix=min_prelude/
 
 // --- min_prelude/convert.carbon
 
diff --git a/toolchain/testing/testdata/min_prelude/facet_types.carbon b/toolchain/testing/testdata/min_prelude/facet_types.carbon
index 424690a5ad15..72122afdbaaa 100644
--- a/toolchain/testing/testdata/min_prelude/facet_types.carbon
+++ b/toolchain/testing/testdata/min_prelude/facet_types.carbon
@@ -2,8 +2,8 @@
 // Exceptions. See /LICENSE for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
-// EXTRA-ARGS: --custom-core --exclude-dump-file-prefix=min_prelude/
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/as.carbon
+// EXTRA-ARGS: --custom-core --exclude-dump-file-prefix=min_prelude/
 
 // --- min_prelude/facet_types.carbon
 
diff --git a/toolchain/testing/testdata/min_prelude/int.carbon b/toolchain/testing/testdata/min_prelude/int.carbon
index c8c98eea0825..2ad073c48b85 100644
--- a/toolchain/testing/testdata/min_prelude/int.carbon
+++ b/toolchain/testing/testdata/min_prelude/int.carbon
@@ -2,7 +2,6 @@
 // Exceptions. See /LICENSE for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
-// EXTRA-ARGS: --custom-core --exclude-dump-file-prefix=min_prelude/
 // TODO: This should move to the place where it's imported, but it ends up
 // included more than once and that fails to build.
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/as.carbon
@@ -10,6 +9,7 @@
 // included more than once and that fails to build.
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/int_literal.carbon
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/int.carbon
+// EXTRA-ARGS: --custom-core --exclude-dump-file-prefix=min_prelude/
 
 // --- min_prelude/int.carbon
 
diff --git a/toolchain/testing/testdata/min_prelude/primitives.carbon b/toolchain/testing/testdata/min_prelude/primitives.carbon
index 0dda9be4c8dd..a26e0714d536 100644
--- a/toolchain/testing/testdata/min_prelude/primitives.carbon
+++ b/toolchain/testing/testdata/min_prelude/primitives.carbon
@@ -2,7 +2,6 @@
 // Exceptions. See /LICENSE for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
-// EXTRA-ARGS: --custom-core --exclude-dump-file-prefix=min_prelude/
 // TODO: This should move to the place where it's imported, but it ends up
 // included more than once and that fails to build.
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/as.carbon
@@ -13,6 +12,7 @@
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/int_literal.carbon
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/int.carbon
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/uint.carbon
+// EXTRA-ARGS: --custom-core --exclude-dump-file-prefix=min_prelude/
 
 // --- min_prelude/primitives.carbon
 
diff --git a/toolchain/testing/testdata/min_prelude/uint.carbon b/toolchain/testing/testdata/min_prelude/uint.carbon
index 0730765c4bc5..e5002c3a24bd 100644
--- a/toolchain/testing/testdata/min_prelude/uint.carbon
+++ b/toolchain/testing/testdata/min_prelude/uint.carbon
@@ -2,7 +2,6 @@
 // Exceptions. See /LICENSE for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
-// EXTRA-ARGS: --custom-core --exclude-dump-file-prefix=min_prelude/
 // TODO: This should move to the place where it's imported, but it ends up
 // included more than once and that fails to build.
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/as.carbon
@@ -11,6 +10,7 @@
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/int_literal.carbon
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/int.carbon
 // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/parts/uint.carbon
+// EXTRA-ARGS: --custom-core --exclude-dump-file-prefix=min_prelude/
 
 // --- min_prelude/uint.carbon