diff --git a/js/src/ion/Ion.h b/js/src/ion/Ion.h
index a014bc20c83..7ad116ef7f3 100644
--- a/js/src/ion/Ion.h
+++ b/js/src/ion/Ion.h
@@ -129,12 +129,6 @@ struct IonOptions
     // Default: 800
     uint32 inlineMaxTotalBytecodeLength;
 
-    // Minimal ratio between the use counts of the caller and the callee to
-    // enable inlining of functions.
-    //
-    // Default: 128
-    uint32 inlineUseCountRatio;
-
     // Whether functions are compiled immediately.
     //
     // Default: false
@@ -176,7 +170,6 @@ struct IonOptions
         smallFunctionUsesBeforeInlining(usesBeforeInlining / 4),
         polyInlineMax(4),
         inlineMaxTotalBytecodeLength(800),
-        inlineUseCountRatio(128),
         eagerCompilation(false),
         slowCallLimit(512)
     {
diff --git a/js/src/ion/IonBuilder.cpp b/js/src/ion/IonBuilder.cpp
index 5039d6a3458..0073a4ac249 100644
--- a/js/src/ion/IonBuilder.cpp
+++ b/js/src/ion/IonBuilder.cpp
@@ -2898,10 +2898,6 @@ IonBuilder::makeInliningDecision(AutoObjectVector &targets)
     //  2. The cost of inlining (in terms of size expansion of the SSA graph),
     //     and size expansion of the ultimately generated code, will be
     //     less significant.
-    //  3. Do not inline functions which are not called as frequently as their
-    //     callers.
-
-    uint32_t callerUses = script->getUseCount();
 
     uint32_t totalSize = 0;
     uint32_t checkUses = js_IonOptions.usesBeforeInlining;
@@ -2912,18 +2908,12 @@ IonBuilder::makeInliningDecision(AutoObjectVector &targets)
             return false;
 
         JSScript *script = target->script();
-        uint32_t calleeUses = script->getUseCount();
         totalSize += script->length;
         if (totalSize > js_IonOptions.inlineMaxTotalBytecodeLength)
             return false;
 
         if (script->length > js_IonOptions.smallFunctionMaxBytecodeLength)
             allFunctionsAreSmall = false;
-
-        if (calleeUses * js_IonOptions.inlineUseCountRatio < callerUses) {
-            IonSpew(IonSpew_Inlining, "Not inlining, callee is not hot");
-            return false;
-        }
     }
     if (allFunctionsAreSmall)
         checkUses = js_IonOptions.smallFunctionUsesBeforeInlining;