diff --git a/headers/modsecurity/transaction.h b/headers/modsecurity/transaction.h
index 0b7bd7e49a..f294c246a8 100644
--- a/headers/modsecurity/transaction.h
+++ b/headers/modsecurity/transaction.h
@@ -405,7 +405,7 @@ class Transaction : public TransactionAnchoredVariables, public TransactionSecMa
     size_t getRequestBodyLength();
 
 #ifndef NO_LOGS
-    void debug(int, const std::string &) const; // cppcheck-suppress functionStatic
+    void debug(int, const std::string &) const;
 #endif
     void serverLog(const RuleMessage &rm);
 
diff --git a/src/engine/lua.h b/src/engine/lua.h
index 452c7f4989..37a150b0ef 100644
--- a/src/engine/lua.h
+++ b/src/engine/lua.h
@@ -67,8 +67,8 @@ class Lua {
  public:
     Lua() { }
 
-    bool load(const std::string &script, std::string *err); // cppcheck-suppress functionStatic ; triggered when compiling without LUA
-    int run(Transaction *t, const std::string &str = "");   // cppcheck-suppress functionStatic ; triggered when compiling without LUA
+    bool load(const std::string &script, std::string *err);
+    int run(Transaction *t, const std::string &str = "");
     static bool isCompatible(const std::string &script, Lua *l, std::string *error);
 
 #ifdef WITH_LUA
diff --git a/src/operators/validate_url_encoding.cc b/src/operators/validate_url_encoding.cc
index 7ca71b221c..65a3a328b8 100644
--- a/src/operators/validate_url_encoding.cc
+++ b/src/operators/validate_url_encoding.cc
@@ -74,7 +74,7 @@ bool ValidateUrlEncoding::evaluate(Transaction *transaction, RuleWithActions *ru
     bool res = false;
 
     if (input.empty() == true) {
-        return res; // cppcheck-suppress knownConditionTrueFalse
+        return res;
     }
 
     int rc = validate_url_encoding(input.c_str(), input.size(), &offset);
diff --git a/src/operators/verify_cpf.cc b/src/operators/verify_cpf.cc
index 3163109cef..07ebe74515 100644
--- a/src/operators/verify_cpf.cc
+++ b/src/operators/verify_cpf.cc
@@ -74,7 +74,7 @@ bool VerifyCPF::verify(const char *cpfnumber, int len) const {
     c = cpf_len;
 
     for (i = 0; i < 9; i++) {
-        sum += (cpf[i] * --c); // cppcheck-suppress uninitvar
+        sum += (cpf[i] * --c);
     }
 
     factor = (sum % cpf_len);
diff --git a/src/operators/verify_svnr.cc b/src/operators/verify_svnr.cc
index 210e920112..ce3147af99 100644
--- a/src/operators/verify_svnr.cc
+++ b/src/operators/verify_svnr.cc
@@ -64,7 +64,7 @@ bool VerifySVNR::verify(const char *svnrnumber, int len) const {
     }
     //Laufnummer mit 3, 7, 9
     //Geburtsdatum mit 5, 8, 4, 2, 1, 6
-    sum = svnr[0] * 3 + svnr[1] * 7 + svnr[2] * 9 + svnr[4] * 5 + svnr[5] * 8 + svnr[6] * 4 + svnr[7] * 2 + svnr[8] * 1 + svnr[9] * 6; // cppcheck-suppress uninitvar
+    sum = svnr[0] * 3 + svnr[1] * 7 + svnr[2] * 9 + svnr[4] * 5 + svnr[5] * 8 + svnr[6] * 4 + svnr[7] * 2 + svnr[8] * 1 + svnr[9] * 6;
     sum %= 11;
     if(sum == 10){
     	sum = 0;
@@ -84,7 +84,7 @@ bool VerifySVNR::evaluate(Transaction *t, RuleWithActions *rule,
     int i;
 
     if (m_param.empty()) {
-        return is_svnr; // cppcheck-suppress knownConditionTrueFalse
+        return is_svnr;
     }
 
     for (i = 0; i < input.size() - 1 && is_svnr == false; i++) {