diff --git a/mfbt/BinarySearch.h b/mfbt/BinarySearch.h
index e5de93a259ef..f3aeac30a06e 100644
--- a/mfbt/BinarySearch.h
+++ b/mfbt/BinarySearch.h
@@ -8,9 +8,9 @@
 #define mozilla_BinarySearch_h
 
 #include "mozilla/Assertions.h"
-#include "mozilla/CompactPair.h"
 
 #include <stddef.h>
+#include <utility>
 
 namespace mozilla {
 
@@ -216,9 +216,8 @@ size_t UpperBound(const Container& aContainer, size_t aBegin, size_t aEnd,
 }
 
 template <typename Container, typename Comparator>
-CompactPair<size_t, size_t> EqualRange(const Container& aContainer,
-                                       size_t aBegin, size_t aEnd,
-                                       const Comparator& aCompare) {
+std::pair<size_t, size_t> EqualRange(const Container& aContainer, size_t aBegin,
+                                     size_t aEnd, const Comparator& aCompare) {
   MOZ_ASSERT(aBegin <= aEnd);
 
   size_t low = aBegin;
@@ -235,13 +234,12 @@ CompactPair<size_t, size_t> EqualRange(const Container& aContainer,
     } else if (result > 0) {
       low = middle + 1;
     } else {
-      return MakeCompactPair(
-          LowerBound(aContainer, low, middle, aCompare),
-          UpperBound(aContainer, middle + 1, high, aCompare));
+      return {LowerBound(aContainer, low, middle, aCompare),
+              UpperBound(aContainer, middle + 1, high, aCompare)};
     }
   }
 
-  return MakeCompactPair(low, high);
+  return {low, high};
 }
 
 }  // namespace mozilla
diff --git a/mfbt/tests/TestBinarySearch.cpp b/mfbt/tests/TestBinarySearch.cpp
index a81574b5c577..3cd28b309fbe 100644
--- a/mfbt/tests/TestBinarySearch.cpp
+++ b/mfbt/tests/TestBinarySearch.cpp
@@ -126,26 +126,26 @@ static void TestEqualRange() {
   for (int i = -1; i < kMaxNumber + 1; ++i) {
     auto bounds = EqualRange(sortedArray, 0, sortedArray.length(), CompareN(i));
 
-    MOZ_RELEASE_ASSERT(bounds.first() <= sortedArray.length());
-    MOZ_RELEASE_ASSERT(bounds.second() <= sortedArray.length());
-    MOZ_RELEASE_ASSERT(bounds.first() <= bounds.second());
+    MOZ_RELEASE_ASSERT(bounds.first <= sortedArray.length());
+    MOZ_RELEASE_ASSERT(bounds.second <= sortedArray.length());
+    MOZ_RELEASE_ASSERT(bounds.first <= bounds.second);
 
-    if (bounds.first() == 0) {
+    if (bounds.first == 0) {
       MOZ_RELEASE_ASSERT(sortedArray[0] >= i);
-    } else if (bounds.first() == sortedArray.length()) {
+    } else if (bounds.first == sortedArray.length()) {
       MOZ_RELEASE_ASSERT(sortedArray[sortedArray.length() - 1] < i);
     } else {
-      MOZ_RELEASE_ASSERT(sortedArray[bounds.first() - 1] < i);
-      MOZ_RELEASE_ASSERT(sortedArray[bounds.first()] >= i);
+      MOZ_RELEASE_ASSERT(sortedArray[bounds.first - 1] < i);
+      MOZ_RELEASE_ASSERT(sortedArray[bounds.first] >= i);
     }
 
-    if (bounds.second() == 0) {
+    if (bounds.second == 0) {
       MOZ_RELEASE_ASSERT(sortedArray[0] > i);
-    } else if (bounds.second() == sortedArray.length()) {
+    } else if (bounds.second == sortedArray.length()) {
       MOZ_RELEASE_ASSERT(sortedArray[sortedArray.length() - 1] <= i);
     } else {
-      MOZ_RELEASE_ASSERT(sortedArray[bounds.second() - 1] <= i);
-      MOZ_RELEASE_ASSERT(sortedArray[bounds.second()] > i);
+      MOZ_RELEASE_ASSERT(sortedArray[bounds.second - 1] <= i);
+      MOZ_RELEASE_ASSERT(sortedArray[bounds.second] > i);
     }
   }
 }
diff --git a/toolkit/components/aboutthirdparty/AboutThirdParty.cpp b/toolkit/components/aboutthirdparty/AboutThirdParty.cpp
index bf716e3bfb8a..73cef0d531df 100644
--- a/toolkit/components/aboutthirdparty/AboutThirdParty.cpp
+++ b/toolkit/components/aboutthirdparty/AboutThirdParty.cpp
@@ -796,11 +796,11 @@ NS_IMETHODIMP AboutThirdParty::LookupApplication(
 
   // If more than one application includes the module, we return null
   // because there is no way to know which is the real owner.
-  if (bounds.second() - bounds.first() != 1) {
+  if (bounds.second - bounds.first != 1) {
     return NS_OK;
   }
 
-  app = mLocations[bounds.first()].second();
+  app = mLocations[bounds.first].second();
   app.forget(aResult);
   return NS_OK;
 }
diff --git a/toolkit/components/aboutthirdparty/tests/gtest/TestAboutThirdParty.cpp b/toolkit/components/aboutthirdparty/tests/gtest/TestAboutThirdParty.cpp
index c8fb9c016f57..565e87e0f1db 100644
--- a/toolkit/components/aboutthirdparty/tests/gtest/TestAboutThirdParty.cpp
+++ b/toolkit/components/aboutthirdparty/tests/gtest/TestAboutThirdParty.cpp
@@ -115,11 +115,11 @@ TEST(AboutThirdParty, InstallLocations)
   for (const auto& testCase : kTestCases) {
     auto bounds = EqualRange(locations, 0, locations.Length(),
                              InstallLocationComparator(testCase.mFile));
-    if (bounds.second() - bounds.first() != 1) {
+    if (bounds.second - bounds.first != 1) {
       EXPECT_TRUE(testCase.mInstallPath.IsEmpty());
       continue;
     }
 
-    EXPECT_EQ(locations[bounds.first()].first(), testCase.mInstallPath);
+    EXPECT_EQ(locations[bounds.first].first(), testCase.mInstallPath);
   }
 }