diff --git a/src/panfrost/compiler/pan_nir_collect_varyings.c b/src/panfrost/compiler/pan_nir_collect_varyings.c
index c13e14f6939..c490b83eb98 100644
--- a/src/panfrost/compiler/pan_nir_collect_varyings.c
+++ b/src/panfrost/compiler/pan_nir_collect_varyings.c
@@ -210,25 +210,6 @@ pan_nir_collect_noperspective_varyings_fs(nir_shader *s)
    return noperspective_varyings;
 }
 
-/*
- * ABI: Special (desktop GL) slots come first, tightly packed. General varyings
- * come later, sparsely packed. This handles both linked and separable shaders
- * with a common code path, with minimal keying only for desktop GL. Each slot
- * consumes 16 bytes (TODO: fp16, partial vectors).
- */
-static unsigned
-bi_varying_base_bytes(gl_varying_slot slot, uint32_t fixed_varyings)
-{
-   if (slot >= VARYING_SLOT_VAR0) {
-      unsigned nr_special = util_bitcount(fixed_varyings);
-      unsigned general_index = (slot - VARYING_SLOT_VAR0);
-
-      return 16 * (nr_special + general_index);
-   } else {
-      return 16 * (util_bitcount(fixed_varyings & BITFIELD_MASK(slot)));
-   }
-}
-
 static const struct pan_varying_slot hw_varying_slots[] = {{
    .location = VARYING_SLOT_POS,
    .alu_type = nir_type_float32,