diff --git a/asm/macros/field_effect_script.inc b/asm/macros/field_effect_script.inc
index 3e00bc734d..68d8502a9d 100644
--- a/asm/macros/field_effect_script.inc
+++ b/asm/macros/field_effect_script.inc
@@ -1,3 +1,4 @@
+#include "constants/field_weather.h"
 @ The first .byte argument of each macro below is an index into gFieldEffectScriptFuncs
 
 	.macro field_eff_loadtiles address:req
@@ -5,8 +6,7 @@
 	.4byte \address
 	.endm
 
-	@ 1 = COLOR_MAP_DARK_CONTRAST
-	.macro field_eff_loadfadedpal address:req, color_map_type=1
+	.macro field_eff_loadfadedpal address:req, color_map_type=COLOR_MAP_DARK_CONTRAST
 	.byte 1
 	.4byte \address
 	.byte  \color_map_type
@@ -26,8 +26,7 @@
 	.byte 4
 	.endm
 
-	@ 1 = COLOR_MAP_DARK_CONTRAST
-	.macro field_eff_loadgfx_callnative tiles_address:req, palette_address:req, function_address:req, color_map_type=1
+	.macro field_eff_loadgfx_callnative tiles_address:req, palette_address:req, function_address:req, color_map_type=COLOR_MAP_DARK_CONTRAST
 	.byte 5
 	.4byte \tiles_address
 	.4byte \palette_address
@@ -41,8 +40,7 @@
 	.4byte \function_address
 	.endm
 
-	@ 1 = COLOR_MAP_DARK_CONTRAST
-	.macro field_eff_loadfadedpal_callnative palette_address:req, function_address:req, color_map_type=1
+	.macro field_eff_loadfadedpal_callnative palette_address:req, function_address:req, color_map_type=COLOR_MAP_DARK_CONTRAST
 	.byte 7
 	.4byte \palette_address
 	.byte  \color_map_type
diff --git a/include/constants/field_weather.h b/include/constants/field_weather.h
index e84dbc48c4..dedd1a3c0a 100644
--- a/include/constants/field_weather.h
+++ b/include/constants/field_weather.h
@@ -1,6 +1,11 @@
 #ifndef GUARD_CONSTANTS_FIELD_WEATHER_H
 #define GUARD_CONSTANTS_FIELD_WEATHER_H
 
+// sPaletteColorMapTypes & field_effect_scripts
+#define COLOR_MAP_NONE          0
+#define COLOR_MAP_DARK_CONTRAST 1
+#define COLOR_MAP_CONTRAST      2
+
 #define MAX_RAIN_SPRITES             24
 #define NUM_CLOUD_SPRITES            3
 #define NUM_FOG_HORIZONTAL_SPRITES   20
diff --git a/src/field_weather.c b/src/field_weather.c
index e2fb1e77e6..eaa25078b6 100644
--- a/src/field_weather.c
+++ b/src/field_weather.c
@@ -20,13 +20,6 @@
 
 #define DROUGHT_COLOR_INDEX(color) ((((color) >> 1) & 0xF) | (((color) >> 2) & 0xF0) | (((color) >> 3) & 0xF00))
 
-enum
-{
-    COLOR_MAP_NONE,
-    COLOR_MAP_DARK_CONTRAST,
-    COLOR_MAP_CONTRAST,
-};
-
 struct RGBColor
 {
     u16 r:5;