VP8Residual* const res);
extern VP8SetResidualCoeffsFunc VP8SetResidualCoeffs;
-extern void VP8SetResidualCoeffsInit(void); // must be called first
+void VP8SetResidualCoeffsInit(void); // must be called first
int VP8RecordCoeffs(int ctx, const VP8Residual* const res);
typedef int (*VP8GetResidualCostFunc)(int ctx0, const VP8Residual* const res);
extern VP8GetResidualCostFunc VP8GetResidualCost;
-extern void VP8GetResidualCostInit(void); // must be called first
+void VP8GetResidualCostInit(void); // must be called first
// Level cost calculations
extern const uint16_t VP8LevelCodes[MAX_VARIABLE_LEVEL][2];