diff --git a/re2/filtered_re2.cc b/re2/filtered_re2.cc
index c738b8b90329899f19cdf81f4f00b0e7015b2852..71487cad42e09aae0252ad5c68f933ee0802485d 100644
--- a/re2/filtered_re2.cc
+++ b/re2/filtered_re2.cc
@@ -507,8 +507,11 @@ void FilteredRE2::Compile(std::vector<std::string>* atoms) {
 
 int FilteredRE2::SlowFirstMatch(const StringPiece& text) const {
   for (size_t i = 0; i < re2_vec_.size(); i++)
-    if (RE2::PartialMatch(text, *re2_vec_[i]))
+  {
+    if (RE2::PartialMatch(text, re2_vec_[i]->pattern())){
       return static_cast<int>(i);
+    } 
+  }
   return -1;
 }
 
@@ -606,10 +609,6 @@ void FilteredRE2::AllPotentials(
   AtomsToRegexps(re2_vec_, atoms, potential_regexps, prefilter_tree_->getMinAtomLen());
 }
 
-void FilteredRE2::RegexpsGivenStrings(const std::vector<int>& matched_atoms,
-                                      std::vector<int>* passed_regexps) {
-  AtomsToRegexps(re2_vec_, matched_atoms, passed_regexps, prefilter_tree_->getMinAtomLen());
-}
 
 
 }  // namespace re2
diff --git a/re2/testing/filtered_re2_test.cc b/re2/testing/filtered_re2_test.cc
index 7cace6d5e33b8a06428815ac897dbe71a4ec585c..655b508a08d367b115d1062667d81590615abc8a 100644
--- a/re2/testing/filtered_re2_test.cc
+++ b/re2/testing/filtered_re2_test.cc
@@ -339,20 +339,20 @@ TEST(FilteredRE2Test, MoveSemantics) {
 }
 
 TEST(FilteredRE2Test, SlowFirstMatch) {
-  FilterTestVars v;  // override the minimum atom length
+  FilterTestVars v;
   int id1;
-  v.f.Add("h.*o", v.opts, &id1);
+  v.f.Add("\\w+:\\d+", v.opts, &id1);
   int id2;
-  v.f.Add("(\\w+):(\\d+)", v.opts, &id2);
-
+  v.f.Add("h.*o", v.opts, &id2);
   v.f.Compile(&v.atoms);
   EXPECT_EQ(0, v.atoms.size());
+  std::string text1 = "ruby:123";
+  std::string text2 = "hello";
+  std::string text3 = "[]";
+  EXPECT_EQ(0, v.f.SlowFirstMatch(text1));
+  EXPECT_EQ(1, v.f.SlowFirstMatch(text2));
+  EXPECT_EQ(-1, v.f.SlowFirstMatch(text3));
 
-  std::string text = "hello world";
-  std::vector<int> atom_ids;
-  std::vector<int> matching_regexps;
-
-  EXPECT_EQ(0, v.f.FirstMatch(text, atom_ids));
 }
 
 TEST(FilteredRE2Test, AllPotentials) {
@@ -379,24 +379,6 @@ TEST(FilteredRE2Test, AllPotentials) {
 
 }
 
-TEST(FilteredRE2Test, RegexpsGivenStrings) {
-  FilterTestVars v;
-  AtomTest* t = &atom_tests[2];
-
-  EXPECT_EQ("SubstrAtomRemovesSuperStrInOr", std::string(t->testname));
-  size_t nregexp;
-  for (nregexp = 0; nregexp < arraysize(t->regexps); nregexp++)
-    if (t->regexps[nregexp] == NULL)
-      break;
-  AddRegexpsAndCompile(t->regexps, nregexp, &v);
-  std::vector<int> atoms;
-
-  atoms.push_back(5);
-  atoms.push_back(6);
-  std::vector<int> potential_regexps;
-  v.f.AllPotentials(atoms, &potential_regexps);
-  EXPECT_EQ(1 ,potential_regexps.size());
-}
 
 }  //  namespace re2