diff --git a/src/rule.cc b/src/rule.cc
index 7d626757..f8cb476c 100644
--- a/src/rule.cc
+++ b/src/rule.cc
@@ -257,13 +257,9 @@ bool Rule::evaluate(Assay *assay) {
         return evaluateActions(assay);
     }
 
-    std::string eparam = MacroExpansion::expand(this->op->param, assay);
-    std::string cache_key = eparam + this->op->op + Variable::to_s(variables) + std::to_string(rule_id);
-    if (RuleInstantCache::getInstance().count(cache_key) > 0) {
-        return 0;
-    }
-
 #ifndef NO_LOGS
+    std::string eparam = MacroExpansion::expand(this->op->param, assay);
+
     if (this->op->param != eparam) {
         eparam = "\"" + eparam + "\" Was: \"" + this->op->param + "\"";
     } else {
@@ -494,11 +490,6 @@ bool Rule::evaluate(Assay *assay) {
         }
         //delete e;
     }
-
-    if (ret == 0) {
-        RuleInstantCache::getInstance().cache(cache_key);
-    }
-
     return ret;
 }
 
diff --git a/src/rule.h b/src/rule.h
index a256b4b6..a7a305a0 100644
--- a/src/rule.h
+++ b/src/rule.h
@@ -29,24 +29,6 @@
 
 namespace ModSecurity {
 
-class RuleInstantCache : public std::unordered_map<std::string, int> {
- public:
-    static RuleInstantCache& getInstance() {
-        static RuleInstantCache instance;
-        return instance;
-    }
-
-    void cache(const std::string& value) {
-        emplace(value, 1);
-        if (size() > 1500) {
-            erase(begin());
-        }
-    }
- private:
-    RuleInstantCache() {};
-};
-
-
 class Rule {
  public:
     Rule(operators::Operator *_op,