diff --git a/js/src/ion/IonFrames.cpp b/js/src/ion/IonFrames.cpp
index f6b643b4e78f..3fdfc97e08c7 100644
--- a/js/src/ion/IonFrames.cpp
+++ b/js/src/ion/IonFrames.cpp
@@ -26,7 +26,6 @@
 
 #include "ion/IonFrameIterator-inl.h"
 #include "ion/IonFrames-inl.h"
-#include "ion/PcScriptCache-inl.h"
 #include "vm/Probes-inl.h"
 
 namespace js {
diff --git a/js/src/ion/PcScriptCache-inl.h b/js/src/ion/PcScriptCache-inl.h
deleted file mode 100644
index 0a3b126488d4..000000000000
--- a/js/src/ion/PcScriptCache-inl.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- * vim: set ts=8 sts=4 et sw=4 tw=99:
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef ion_PcScriptCache_inl_h
-#define ion_PcScriptCache_inl_h
-
-#include "ion/PcScriptCache.h"
-
-namespace js {
-namespace ion {
-
-// Get a value from the cache. May perform lazy allocation.
-bool
-PcScriptCache::get(JSRuntime *rt, uint32_t hash, uint8_t *addr,
-                   JSScript **scriptRes, jsbytecode **pcRes)
-{
-    // If a GC occurred, lazily clear the cache now.
-    if (gcNumber != rt->gcNumber) {
-        clear(rt->gcNumber);
-        return false;
-    }
-
-    if (entries[hash].returnAddress != addr)
-        return false;
-
-    *scriptRes = entries[hash].script;
-    if (pcRes)
-        *pcRes = entries[hash].pc;
-
-    return true;
-}
-
-} // namespace ion
-} // namespace js
-
-#endif /* ion_PcScriptCache_inl_h */
diff --git a/js/src/ion/PcScriptCache.h b/js/src/ion/PcScriptCache.h
index 81fceb7e0c47..6158dadbd985 100644
--- a/js/src/ion/PcScriptCache.h
+++ b/js/src/ion/PcScriptCache.h
@@ -41,9 +41,24 @@ struct PcScriptCache
     }
 
     // Get a value from the cache. May perform lazy allocation.
-    // Defined in PcScriptCache-inl.h.
     bool get(JSRuntime *rt, uint32_t hash, uint8_t *addr,
-             JSScript **scriptRes, jsbytecode **pcRes);
+             JSScript **scriptRes, jsbytecode **pcRes)
+    {
+        // If a GC occurred, lazily clear the cache now.
+        if (gcNumber != rt->gcNumber) {
+            clear(rt->gcNumber);
+            return false;
+        }
+
+        if (entries[hash].returnAddress != addr)
+            return false;
+
+        *scriptRes = entries[hash].script;
+        if (pcRes)
+            *pcRes = entries[hash].pc;
+
+        return true;
+    }
 
     void add(uint32_t hash, uint8_t *addr, jsbytecode *pc, JSScript *script) {
         entries[hash].returnAddress = addr;