diff --git a/src/mesa/drivers/dri/i965/brw_ir_fs.h b/src/mesa/drivers/dri/i965/brw_ir_fs.h
index 4417555f18e..c0e486e5edc 100644
--- a/src/mesa/drivers/dri/i965/brw_ir_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_ir_fs.h
@@ -72,7 +72,7 @@ public:
 static inline fs_reg
 negate(fs_reg reg)
 {
-   assert(reg.file != HW_REG && reg.file != IMM);
+   assert(reg.file != IMM);
    reg.negate = !reg.negate;
    return reg;
 }
diff --git a/src/mesa/drivers/dri/i965/brw_ir_vec4.h b/src/mesa/drivers/dri/i965/brw_ir_vec4.h
index 29642c6d2a4..2fbb043f244 100644
--- a/src/mesa/drivers/dri/i965/brw_ir_vec4.h
+++ b/src/mesa/drivers/dri/i965/brw_ir_vec4.h
@@ -90,7 +90,7 @@ swizzle(src_reg reg, unsigned swizzle)
 static inline src_reg
 negate(src_reg reg)
 {
-   assert(reg.file != HW_REG && reg.file != IMM);
+   assert(reg.file != IMM);
    reg.negate = !reg.negate;
    return reg;
 }
diff --git a/src/mesa/drivers/dri/i965/brw_shader.h b/src/mesa/drivers/dri/i965/brw_shader.h
index e1e89dd3212..73b57f4f8d1 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.h
+++ b/src/mesa/drivers/dri/i965/brw_shader.h
@@ -82,9 +82,6 @@ struct backend_reg : public brw_reg
    uint16_t reg_offset;
 
    struct brw_reg fixed_hw_reg;
-
-   bool negate;
-   bool abs;
 };
 #endif