diff --git a/include/verilated_cov.cpp b/include/verilated_cov.cpp
index ad6ca97d9..211ecdec6 100644
--- a/include/verilated_cov.cpp
+++ b/include/verilated_cov.cpp
@@ -305,7 +305,7 @@ public:
         // First two key/vals are filename
         ckeyps[0] = "filename";
         valps[0] = m_insertFilenamep;
-        const std::string linestr = vlCovCvtToStr(m_insertLineno);
+        const std::string linestr = std::to_string(m_insertLineno);
         ckeyps[1] = "lineno";
         valps[1] = linestr.c_str();
         // Default page if not specified
@@ -490,8 +490,8 @@ void VerilatedCovContext::_insertp(A(0), A(1), A(2), A(3), A(4), A(5), A(6), A(7
 // Backward compatibility for Verilator
 void VerilatedCovContext::_insertp(A(0), A(1), K(2), int val2, K(3), int val3, K(4),
                                    const std::string& val4, A(5), A(6), A(7)) VL_MT_SAFE {
-    std::string val2str = vlCovCvtToStr(val2);
-    std::string val3str = vlCovCvtToStr(val3);
+    const std::string val2str = std::to_string(val2);
+    const std::string val3str = std::to_string(val3);
     _insertp(C(0), C(1), key2, val2str.c_str(), key3, val3str.c_str(), key4, val4.c_str(), C(5),
              C(6), C(7), N(8), N(9), N(10), N(11), N(12), N(13), N(14), N(15), N(16), N(17), N(18),
              N(19), N(20), N(21), N(22), N(23), N(24), N(25), N(26), N(27), N(28), N(29));
diff --git a/include/verilated_cov.h b/include/verilated_cov.h
index 2be74336b..5620c03b3 100644
--- a/include/verilated_cov.h
+++ b/include/verilated_cov.h
@@ -73,16 +73,6 @@ class VerilatedCovImp;
         covcontextp->_insertp("hier", name(), __VA_ARGS__); \
     } while (false)
 
-//=============================================================================
-// Convert VL_COVER_INSERT value arguments to strings, is \internal
-
-template <class T>
-std::string vlCovCvtToStr(const T& t) VL_PURE {
-    std::ostringstream os;
-    os << t;
-    return os.str();
-}
-
 //=============================================================================
 //  VerilatedCov
 /// Per-VerilatedContext coverage data class.