diff --git a/src/mesa/main/meson.build b/src/mesa/main/meson.build
deleted file mode 100644
index 1731c468857..00000000000
--- a/src/mesa/main/meson.build
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright © 2017 Intel Corporation
-# SPDX-License-Identifier: MIT
-
-if _shader_replacement != ''
-  # shader replacement
-  shader_replacement_h = custom_target(
-    'shader_replacement.h',
-    input: [files(_shader_replacement + '/process_shaders.py')],
-    output: 'shader_replacement.h',
-    command: [prog_python, '@INPUT0@', _shader_replacement, '@OUTPUT@'],
-    build_always: true,
-  )
-endif
diff --git a/src/mesa/meson.build b/src/mesa/meson.build
index eae2252c878..6e28cfc5b13 100644
--- a/src/mesa/meson.build
+++ b/src/mesa/meson.build
@@ -2,7 +2,16 @@
 # SPDX-License-Identifier: MIT
 
 subdir('program')
-subdir('main')
+
+if _shader_replacement != ''
+  shader_replacement_h = custom_target(
+    'shader_replacement.h',
+    input: [files(_shader_replacement + '/process_shaders.py')],
+    output: 'shader_replacement.h',
+    command: [prog_python, '@INPUT0@', _shader_replacement, '@OUTPUT@'],
+    build_always: true,
+  )
+endif
 
 # files shared between classic mesa and gallium mesa
 files_libmesa = files(