diff --git a/config/dedup.us.yaml b/config/dedup.us.yaml
index ab567e5d3b..6ed421c55f 100644
--- a/config/dedup.us.yaml
+++ b/config/dedup.us.yaml
@@ -14488,3 +14488,10 @@ groups:
     func: DEFINE_func_8017F8A8
     vram: 0x8017F8A8
     binaries: [ov_SC03_118, ov_SC03_119]
+  - id: E_func_801817FC
+    tier: h_exact
+    hash: eb4731f85540387c5042b21bf8a8ff7b4431a12f
+    source: src/shared/engine_core.h
+    func: DEFINE_func_801817FC
+    vram: 0x801817FC
+    binaries: [ov_SC03_118, ov_SC03_119]
diff --git a/src/ov_SC03_118/ov_SC03_118_jr_8017FB84.c b/src/ov_SC03_118/ov_SC03_118_jr_8017FB84.c
index 4097d496a5..4b39b83291 100644
--- a/src/ov_SC03_118/ov_SC03_118_jr_8017FB84.c
+++ b/src/ov_SC03_118/ov_SC03_118_jr_8017FB84.c
@@ -3643,19 +3643,7 @@ s32 func_801817BC(s32 a0) {
 }
 
 
-s32 func_801817FC(u8 *a0) {
-    if (--(*(s32 *)(a0 + 0x28)) == -1) {
-        func_8002D4C8(0x1C, 0);
-        func_8001BFD0();
-        func_8002D4C8(0x1D, 0);
-        if ((func_80029178(0xB8) & 0xFF) == 0) {
-            func_800D0C48(1);
-        }
-        func_800D1E28();
-        *(u8 *)(a0 + 0x15) += 1;
-    }
-    return 0;
-}
+DEFINE_func_801817FC()  /* dedup: shared engine-core @0x801817FC (src/shared) */
 
 
 extern void func_800D1EBC(void);
diff --git a/src/ov_SC03_119/ov_SC03_119_jr_8017FB84.c b/src/ov_SC03_119/ov_SC03_119_jr_8017FB84.c
index f09e20677b..aadc37a224 100644
--- a/src/ov_SC03_119/ov_SC03_119_jr_8017FB84.c
+++ b/src/ov_SC03_119/ov_SC03_119_jr_8017FB84.c
@@ -3625,19 +3625,7 @@ s32 func_801817BC(s32 a0) {
 }
 
 
-    s32 func_801817FC(u8 *a0) {
-        if (--(*(s32 *)(a0 + 0x28)) == -1) {
-            func_8002D4C8(0x1C, 0);
-            func_8001BFD0();
-            func_8002D4C8(0x1D, 0);
-            if ((func_80029178(0xB8) & 0xFF) == 0) {
-                func_800D0C48(1);
-            }
-            func_800D1E28();
-            *(u8 *)(a0 + 0x15) += 1;
-        }
-        return 0;
-    }
+DEFINE_func_801817FC()  /* dedup: shared engine-core @0x801817FC (src/shared) */
 
 
 extern s32 func_800D1EBC(void);