diff --git a/components/profile/Cargo.toml b/components/profile/Cargo.toml
index c1d14c3c31a..baf7d340cb2 100644
--- a/components/profile/Cargo.toml
+++ b/components/profile/Cargo.toml
@@ -10,9 +10,6 @@ publish = false
 name = "profile"
 path = "lib.rs"
 
-[features]
-unstable = ["servo_allocator"]
-
 [dependencies]
 profile_traits = {path = "../profile_traits"}
 influent = "0.5"
@@ -33,4 +30,4 @@ regex = "1.1"
 
 [target.'cfg(not(target_os = "windows"))'.dependencies]
 libc = "0.2"
-servo_allocator = {path = "../allocator", optional = true}
+servo_allocator = {path = "../allocator"}
diff --git a/components/profile/mem.rs b/components/profile/mem.rs
index cf67560ad83..bb4688f397c 100644
--- a/components/profile/mem.rs
+++ b/components/profile/mem.rs
@@ -389,14 +389,14 @@ mod system_reporter {
     use super::{JEMALLOC_HEAP_ALLOCATED_STR, SYSTEM_HEAP_ALLOCATED_STR};
     #[cfg(target_os = "linux")]
     use libc::c_int;
-    #[cfg(all(feature = "unstable", not(target_os = "windows")))]
+    #[cfg(not(target_os = "windows"))]
     use libc::{c_void, size_t};
     use profile_traits::mem::{Report, ReportKind, ReporterRequest};
-    #[cfg(all(feature = "unstable", not(target_os = "windows")))]
+    #[cfg(not(target_os = "windows"))]
     use std::ffi::CString;
-    #[cfg(all(feature = "unstable", not(target_os = "windows")))]
+    #[cfg(not(target_os = "windows"))]
     use std::mem::size_of;
-    #[cfg(all(feature = "unstable", not(target_os = "windows")))]
+    #[cfg(not(target_os = "windows"))]
     use std::ptr::null_mut;
     #[cfg(target_os = "macos")]
     use task_info::task_basic_info::{resident_size, virtual_size};
@@ -495,10 +495,10 @@ mod system_reporter {
         None
     }
 
-    #[cfg(all(feature = "unstable", not(target_os = "windows")))]
+    #[cfg(not(target_os = "windows"))]
     use servo_allocator::jemalloc_sys::mallctl;
 
-    #[cfg(all(feature = "unstable", not(target_os = "windows")))]
+    #[cfg(not(target_os = "windows"))]
     fn jemalloc_stat(value_name: &str) -> Option<usize> {
         // Before we request the measurement of interest, we first send an "epoch"
         // request. Without that jemalloc gives cached statistics(!) which can be
@@ -545,7 +545,7 @@ mod system_reporter {
         Some(value as usize)
     }
 
-    #[cfg(any(target_os = "windows", not(feature = "unstable")))]
+    #[cfg(target_os = "windows")]
     fn jemalloc_stat(_value_name: &str) -> Option<usize> {
         None
     }
diff --git a/components/servo/Cargo.toml b/components/servo/Cargo.toml
index 0b959ad2ef1..feeeccce618 100644
--- a/components/servo/Cargo.toml
+++ b/components/servo/Cargo.toml
@@ -28,7 +28,6 @@ no_static_freetype = ["webrender/no_static_freetype"]
 oculusvr = ["webvr/oculusvr"]
 unstable = [
     "euclid/unstable",
-    "profile/unstable",
     "script/unstable",
 ]
 webdriver = ["webdriver_server"]