diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index 00173748780040543081e2db442b29bc0074dfba..3883f918b3bb2b907496e1e34d4d9414391ad082 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -3660,9 +3660,6 @@ static enum dml_project get_dml_project_version(uint32_t hw_internal_rev)
 	return DML_PROJECT_NAVI10v2;
 }
 
-#define fixed16_to_double(x) (((double) x) / ((double) (1 << 16)))
-#define fixed16_to_double_to_cpu(x) fixed16_to_double(le32_to_cpu(x))
-
 static bool init_soc_bounding_box(struct dc *dc,
 				  struct dcn20_resource_pool *pool)
 {
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
index 6d70ccb108af8617ee624e9f132a062be1ebf815..6dda20f3741cc3da7d3585bc6b49c994f21348cf 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
@@ -1707,9 +1707,6 @@ bool dcn30_release_post_bldn_3dlut(
 	return ret;
 }
 
-#define fixed16_to_double(x) (((double) x) / ((double) (1 << 16)))
-#define fixed16_to_double_to_cpu(x) fixed16_to_double(le32_to_cpu(x))
-
 static bool is_soc_bounding_box_valid(struct dc *dc)
 {
 	uint32_t hw_internal_rev = dc->ctx->asic_id.hw_internal_rev;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
index 3447588d29b44f6764d5a28f29f5ea73009b21b5..87b2c2428842901e614da779159553c3599fb0b4 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
@@ -101,8 +101,6 @@
 #include "link_enc_cfg.h"
 
 #define DC_LOGGER_INIT(logger)
-#define fixed16_to_double(x) (((double) x) / ((double) (1 << 16)))
-#define fixed16_to_double_to_cpu(x) fixed16_to_double(le32_to_cpu(x))
 
 #define DCN3_1_DEFAULT_DET_SIZE 384