diff --git a/config/dedup.us.yaml b/config/dedup.us.yaml
index beae310db..a04464019 100644
--- a/config/dedup.us.yaml
+++ b/config/dedup.us.yaml
@@ -15272,3 +15272,10 @@ groups:
     func: DEFINE_func_80180D38
     vram: 0x80180D38
     binaries: [ov_SC04_018, ov_SC04_019]
+  - id: E_func_80184460
+    tier: h_exact
+    hash: 8a34c85574c2f4b4eb00e7353b8be9c76a717f39
+    source: src/shared/engine_core.h
+    func: DEFINE_func_80184460
+    vram: 0x80184460
+    binaries: [ov_SC04_018, ov_SC04_019]
diff --git a/src/ov_SC04_018/ov_SC04_018_jr_8017AE2C.c b/src/ov_SC04_018/ov_SC04_018_jr_8017AE2C.c
index 60fde5d7c..d6b5d7e0a 100644
--- a/src/ov_SC04_018/ov_SC04_018_jr_8017AE2C.c
+++ b/src/ov_SC04_018/ov_SC04_018_jr_8017AE2C.c
@@ -6982,18 +6982,7 @@ INCLUDE_ASM("asm/ov_SC04_018/nonmatchings/ov_SC04_018_jr_8017AE2C", func_8018441
 
 
 
-extern s32 func_80184BAC(s32 arg0, s32 arg1);
-extern void func_80183E20(void *arg0);
-
-void func_80184460(void *arg0) {
-    s32 v1;
-
-    v1 = *(s32 *)((char *)arg0 + 0xCC);
-    *(s32 *)((char *)v1 + 0xB0) = 2;
-    if (func_80184BAC(6, 0x14) != 0) {
-        func_80183E20(arg0);
-    }
-}
+DEFINE_func_80184460()  /* dedup: shared engine-core @0x80184460 (src/shared) */
 
 
 extern s32 func_80184BAC(s32 a0, s32 a1);
diff --git a/src/ov_SC04_019/ov_SC04_019_jr_8017AE2C.c b/src/ov_SC04_019/ov_SC04_019_jr_8017AE2C.c
index 2b3c9783d..c6b98e110 100644
--- a/src/ov_SC04_019/ov_SC04_019_jr_8017AE2C.c
+++ b/src/ov_SC04_019/ov_SC04_019_jr_8017AE2C.c
@@ -6877,18 +6877,7 @@ INCLUDE_ASM("asm/ov_SC04_019/nonmatchings/ov_SC04_019_jr_8017AE2C", func_8018441
 
 
 
-extern s32 func_80184BAC(s32 arg0, s32 arg1);
-extern void func_80183E20(void *arg0);
-
-void func_80184460(void *arg0) {
-    s32 v1;
-
-    v1 = *(s32 *)((char *)arg0 + 0xCC);
-    *(s32 *)((char *)v1 + 0xB0) = 2;
-    if (func_80184BAC(6, 0x14) != 0) {
-        func_80183E20(arg0);
-    }
-}
+DEFINE_func_80184460()  /* dedup: shared engine-core @0x80184460 (src/shared) */
 
 
 extern s32 func_80184BAC(s32 a0, s32 a1);
diff --git a/src/shared/engine_core.h b/src/shared/engine_core.h
index c637af631..54f19f299 100644
--- a/src/shared/engine_core.h
+++ b/src/shared/engine_core.h
@@ -65981,6 +65981,18 @@
         return (s32)func_80172710; \
     }
 
+#define DEFINE_func_80184460() \
+    extern s32 func_80184BAC(s32 arg0, s32 arg1); \
+    extern void func_80183E20(void *arg0); \
+    void func_80184460(void *arg0) { \
+        s32 v1; \
+        v1 = *(s32 *)((char *)arg0 + 0xCC); \
+        *(s32 *)((char *)v1 + 0xB0) = 2; \
+        if (func_80184BAC(6, 0x14) != 0) { \
+            func_80183E20(arg0); \
+        } \
+    }
+
 #endif
 
 #define DEFINE_func_80128EA8() \
@@ -161367,4 +161379,16 @@
         return (s32)func_80172710; \
     }
 
+#define DEFINE_func_80184460() \
+    extern s32 func_80184BAC(s32 arg0, s32 arg1); \
+    extern void func_80183E20(void *arg0); \
+    void func_80184460(void *arg0) { \
+        s32 v1; \
+        v1 = *(s32 *)((char *)arg0 + 0xCC); \
+        *(s32 *)((char *)v1 + 0xB0) = 2; \
+        if (func_80184BAC(6, 0x14) != 0) { \
+            func_80183E20(arg0); \
+        } \
+    }
+
 #endif