diff --git a/src/compiler/glsl/ir_builder.h b/src/compiler/glsl/ir_builder.h
index 2a1d3643e56..dc7d698f4e9 100644
--- a/src/compiler/glsl/ir_builder.h
+++ b/src/compiler/glsl/ir_builder.h
@@ -28,15 +28,6 @@
 
 namespace ir_builder {
 
-#ifndef WRITEMASK_X
-enum writemask {
-   WRITEMASK_X = 0x1,
-   WRITEMASK_Y = 0x2,
-   WRITEMASK_Z = 0x4,
-   WRITEMASK_W = 0x8,
-};
-#endif
-
 /**
  * This little class exists to let the helper expression generators
  * take either an ir_rvalue * or an ir_variable * to be automatically
diff --git a/src/compiler/shader_enums.h b/src/compiler/shader_enums.h
index 39698a4590d..3eaaf2fe924 100644
--- a/src/compiler/shader_enums.h
+++ b/src/compiler/shader_enums.h
@@ -534,6 +534,27 @@ _mesa_varying_slot_in_fs(gl_varying_slot slot)
 #define VARYING_BIT_VAR(V) BITFIELD64_BIT(VARYING_SLOT_VAR0 + (V))
 /*@}*/
 
+/**
+ * Writemask values, 1 bit per component.
+ */
+/*@{*/
+#define WRITEMASK_X     0x1
+#define WRITEMASK_Y     0x2
+#define WRITEMASK_XY    0x3
+#define WRITEMASK_Z     0x4
+#define WRITEMASK_XZ    0x5
+#define WRITEMASK_YZ    0x6
+#define WRITEMASK_XYZ   0x7
+#define WRITEMASK_W     0x8
+#define WRITEMASK_XW    0x9
+#define WRITEMASK_YW    0xa
+#define WRITEMASK_XYW   0xb
+#define WRITEMASK_ZW    0xc
+#define WRITEMASK_XZW   0xd
+#define WRITEMASK_YZW   0xe
+#define WRITEMASK_XYZW  0xf
+/*@}*/
+
 /**
  * If the gl_register_file is PROGRAM_SYSTEM_VALUE, the register index will be
  * one of these values.  If a NIR variable's mode is nir_var_system_value, it
diff --git a/src/mesa/program/prog_instruction.h b/src/mesa/program/prog_instruction.h
index e8a3f33e671..c879a9e2283 100644
--- a/src/mesa/program/prog_instruction.h
+++ b/src/mesa/program/prog_instruction.h
@@ -68,29 +68,6 @@
 #define SWIZZLE_ZZZZ MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_Z)
 #define SWIZZLE_WWWW MAKE_SWIZZLE4(SWIZZLE_W, SWIZZLE_W, SWIZZLE_W, SWIZZLE_W)
 
-
-/**
- * Writemask values, 1 bit per component.
- */
-/*@{*/
-#define WRITEMASK_X     0x1
-#define WRITEMASK_Y     0x2
-#define WRITEMASK_XY    0x3
-#define WRITEMASK_Z     0x4
-#define WRITEMASK_XZ    0x5
-#define WRITEMASK_YZ    0x6
-#define WRITEMASK_XYZ   0x7
-#define WRITEMASK_W     0x8
-#define WRITEMASK_XW    0x9
-#define WRITEMASK_YW    0xa
-#define WRITEMASK_XYW   0xb
-#define WRITEMASK_ZW    0xc
-#define WRITEMASK_XZW   0xd
-#define WRITEMASK_YZW   0xe
-#define WRITEMASK_XYZW  0xf
-/*@}*/
-
-
 /**
  * Per-component negation masks
  */