diff --git a/include/verilated_dpi.cpp b/include/verilated_dpi.cpp
index 8b4e603c3..69aa5ead0 100644
--- a/include/verilated_dpi.cpp
+++ b/include/verilated_dpi.cpp
@@ -158,6 +158,7 @@ void svPutPartselBit(svBitVecVal* dp, const svBitVecVal s, int lbit, int width)
         }
     }
 }
+// cppcheck-suppress passedByValue
 void svPutPartselLogic(svLogicVecVal* dp, const svLogicVecVal s, int lbit, int width) {
     int hbit = lbit+width-1;
     int hoffset = VL_BITBIT_I(hbit);
@@ -487,7 +488,6 @@ void* svGetArrElemPtr3(const svOpenArrayHandle h, int indx1, int indx2, int indx
 void svPutBitArrElemVecVal(const svOpenArrayHandle d, const svBitVecVal* s,
                            int indx1, ...) {
     const VerilatedDpiOpenVar* varp = _vl_openhandle_varp(d);
-    void* datap;
     va_list ap;
     va_start(ap, indx1);
     switch (varp->udims()) {
diff --git a/include/verilated_dpi.h b/include/verilated_dpi.h
index fee80d5a4..0716f49f2 100644
--- a/include/verilated_dpi.h
+++ b/include/verilated_dpi.h
@@ -67,10 +67,10 @@ static inline void VL_SET_SVLV_W(int obits, svLogicVecVal* owp, WDataInP lwp) VL
     for (int i=0; i<words-1; ++i) owp[i].aval=lwp[i];
     owp[words-1].aval = lwp[words-1] & VL_MASK_I(obits);
 }
-static inline void VL_SET_SVLV_I(int obits, svLogicVecVal* owp, IData ld) VL_MT_SAFE {
+static inline void VL_SET_SVLV_I(int, svLogicVecVal* owp, IData ld) VL_MT_SAFE {
     owp[0].aval=ld; owp[0].bval=0;
 }
-static inline void VL_SET_SVLV_Q(int obits, svLogicVecVal* owp, QData ld) VL_MT_SAFE {
+static inline void VL_SET_SVLV_Q(int, svLogicVecVal* owp, QData ld) VL_MT_SAFE {
     WData lwp[2]; VL_SET_WQ(lwp,ld);
     owp[0].aval=lwp[0]; owp[0].bval=0;
     owp[1].aval=lwp[1]; owp[1].bval=0;