diff --git a/config/dedup.us.yaml b/config/dedup.us.yaml
index 6e4c552332..1da7c437e5 100644
--- a/config/dedup.us.yaml
+++ b/config/dedup.us.yaml
@@ -14894,3 +14894,10 @@ groups:
     func: DEFINE_func_80181C10
     vram: 0x80181C10
     binaries: [ov_SC02_000, ov_SC02_003]
+  - id: E_func_801819F4
+    tier: h_exact
+    hash: 77651e743ba349b617037ba9f6c163911b3de4f3
+    source: src/shared/engine_core.h
+    func: DEFINE_func_801819F4
+    vram: 0x801819F4
+    binaries: [ov_SC02_000, ov_SC02_003]
diff --git a/src/ov_SC02_000/ov_SC02_000_jr_8018173C.c b/src/ov_SC02_000/ov_SC02_000_jr_8018173C.c
index ae9387d5d2..b0d36637b5 100644
--- a/src/ov_SC02_000/ov_SC02_000_jr_8018173C.c
+++ b/src/ov_SC02_000/ov_SC02_000_jr_8018173C.c
@@ -2866,52 +2866,7 @@ void func_80181934(void)
 
 #include "common.h"
 
-extern s32 D_80126954;
-extern s32 D_8012695C;
-extern s16 D_80126968;
-extern s16 D_8012696A;
-extern s16 D_80126978;
-extern u16 D_80126B5E;
-extern s16 D_8012696C;
-extern s16 D_80126976;
-extern s16 D_8012697A;
-extern s32 D_801269E4;
-extern u8 D_801269E8;
-extern s16 D_801274E8;
-extern void func_8012A018(s32 a0, s32 a1);
-extern void func_80181D2C(u8 *a0);
-
-void func_801819F4(void) {
-    register s32 v0 __asm__("$2");
-    register u16 v1 __asm__("$3");
-
-    v0 = 0x64;
-    D_80126954 = v0;
-
-    v0 = 0x190;
-    D_8012695C = v0;
-
-    v0 = 0x155;
-    D_80126968 = v0;
-
-    v0 = 0x800;
-    D_8012696A = v0;
-
-    v0 = -0x80;
-    D_80126978 = v0;
-
-    v0 = 0xC8;
-    v1 = D_80126B5E;
-
-    D_8012696C = 0;
-    D_80126976 = 0;
-    D_8012697A = v0;
-    D_801269E4 = 0;
-    D_801269E8 = 0;
-    D_801274E8 = v1;
-
-    func_8012A018((s32)&func_80181D2C, 0x2);
-}
+DEFINE_func_801819F4()  /* dedup: shared engine-core @0x801819F4 (src/shared) */
 
 
 INCLUDE_ASM("asm/ov_SC02_000/nonmatchings/ov_SC02_000_jr_8018173C", func_80181A94);
diff --git a/src/ov_SC02_003/ov_SC02_003_jr_8018173C.c b/src/ov_SC02_003/ov_SC02_003_jr_8018173C.c
index ca8e2dd509..5450d6b794 100644
--- a/src/ov_SC02_003/ov_SC02_003_jr_8018173C.c
+++ b/src/ov_SC02_003/ov_SC02_003_jr_8018173C.c
@@ -2785,7 +2785,7 @@ DEFINE_func_80181914()  /* dedup: shared engine-core @0x80181914 (src/shared) */
 
 INCLUDE_ASM("asm/ov_SC02_003/nonmatchings/ov_SC02_003_jr_8018173C", func_80181934);
 
-INCLUDE_ASM("asm/ov_SC02_003/nonmatchings/ov_SC02_003_jr_8018173C", func_801819F4);
+DEFINE_func_801819F4()  /* dedup: shared engine-core @0x801819F4 (src/shared) */
 
 INCLUDE_ASM("asm/ov_SC02_003/nonmatchings/ov_SC02_003_jr_8018173C", func_80181A94);
 
diff --git a/src/shared/engine_core.h b/src/shared/engine_core.h
index ab348e5284..7ff004d304 100644
--- a/src/shared/engine_core.h
+++ b/src/shared/engine_core.h
@@ -61248,6 +61248,45 @@
         D_80126978 = -0x60; \
     }
 
+#define DEFINE_func_801819F4() \
+    extern s32 D_80126954; \
+    extern s32 D_8012695C; \
+    extern s16 D_80126968; \
+    extern s16 D_8012696A; \
+    extern s16 D_80126978; \
+    extern u16 D_80126B5E; \
+    extern s16 D_8012696C; \
+    extern s16 D_80126976; \
+    extern s16 D_8012697A; \
+    extern s32 D_801269E4; \
+    extern u8 D_801269E8; \
+    extern s16 D_801274E8; \
+    extern void func_8012A018(s32 a0, s32 a1); \
+    extern void func_80181D2C(u8 *a0); \
+    void func_801819F4(void) { \
+        register s32 v0 __asm__("$2"); \
+        register u16 v1 __asm__("$3"); \
+        v0 = 0x64; \
+        D_80126954 = v0; \
+        v0 = 0x190; \
+        D_8012695C = v0; \
+        v0 = 0x155; \
+        D_80126968 = v0; \
+        v0 = 0x800; \
+        D_8012696A = v0; \
+        v0 = -0x80; \
+        D_80126978 = v0; \
+        v0 = 0xC8; \
+        v1 = D_80126B5E; \
+        D_8012696C = 0; \
+        D_80126976 = 0; \
+        D_8012697A = v0; \
+        D_801269E4 = 0; \
+        D_801269E8 = 0; \
+        D_801274E8 = v1; \
+        func_8012A018((s32)&func_80181D2C, 0x2); \
+    }
+
 #endif
 
 #define DEFINE_func_80128EA8() \
@@ -151901,4 +151940,43 @@
         D_80126978 = -0x60; \
     }
 
+#define DEFINE_func_801819F4() \
+    extern s32 D_80126954; \
+    extern s32 D_8012695C; \
+    extern s16 D_80126968; \
+    extern s16 D_8012696A; \
+    extern s16 D_80126978; \
+    extern u16 D_80126B5E; \
+    extern s16 D_8012696C; \
+    extern s16 D_80126976; \
+    extern s16 D_8012697A; \
+    extern s32 D_801269E4; \
+    extern u8 D_801269E8; \
+    extern s16 D_801274E8; \
+    extern void func_8012A018(s32 a0, s32 a1); \
+    extern void func_80181D2C(u8 *a0); \
+    void func_801819F4(void) { \
+        register s32 v0 __asm__("$2"); \
+        register u16 v1 __asm__("$3"); \
+        v0 = 0x64; \
+        D_80126954 = v0; \
+        v0 = 0x190; \
+        D_8012695C = v0; \
+        v0 = 0x155; \
+        D_80126968 = v0; \
+        v0 = 0x800; \
+        D_8012696A = v0; \
+        v0 = -0x80; \
+        D_80126978 = v0; \
+        v0 = 0xC8; \
+        v1 = D_80126B5E; \
+        D_8012696C = 0; \
+        D_80126976 = 0; \
+        D_8012697A = v0; \
+        D_801269E4 = 0; \
+        D_801269E8 = 0; \
+        D_801274E8 = v1; \
+        func_8012A018((s32)&func_80181D2C, 0x2); \
+    }
+
 #endif