diff --git a/src/intel/compiler/brw_compiler.h b/src/intel/compiler/brw_compiler.h
index bce586e98bc..3d36d8948c2 100644
--- a/src/intel/compiler/brw_compiler.h
+++ b/src/intel/compiler/brw_compiler.h
@@ -1752,11 +1752,6 @@ unsigned
 brw_cs_push_const_total_size(const struct brw_cs_prog_data *cs_prog_data,
                              unsigned threads);
 
-unsigned
-brw_cs_simd_size_for_group_size(const struct intel_device_info *devinfo,
-                                const struct brw_cs_prog_data *cs_prog_data,
-                                unsigned group_size);
-
 void
 brw_write_shader_relocs(const struct intel_device_info *devinfo,
                         void *program,
@@ -1764,19 +1759,6 @@ brw_write_shader_relocs(const struct intel_device_info *devinfo,
                         struct brw_shader_reloc_value *values,
                         unsigned num_values);
 
-/**
- * Calculate the RightExecutionMask field used in GPGPU_WALKER.
- */
-static inline unsigned
-brw_cs_right_mask(unsigned group_size, unsigned simd_size)
-{
-   const uint32_t remainder = group_size & (simd_size - 1);
-   if (remainder > 0)
-      return ~0u >> (32 - remainder);
-   else
-      return ~0u >> (32 - simd_size);
-}
-
 struct brw_cs_dispatch_info {
    uint32_t group_size;
    uint32_t simd_size;
diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp
index 61251f44a0b..2f28996d4a2 100644
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@@ -9810,7 +9810,7 @@ brw_compile_cs(const struct brw_compiler *compiler,
    return ret;
 }
 
-unsigned
+static unsigned
 brw_cs_simd_size_for_group_size(const struct intel_device_info *devinfo,
                                 const struct brw_cs_prog_data *cs_prog_data,
                                 unsigned group_size)