diff --git a/src/liballoc_system/lib.rs b/src/liballoc_system/lib.rs
index 0e6887a508223331201cca2a0363240d99a312dd..533eb23c193e148a916ce8c29ac1d7344c812878 100644
--- a/src/liballoc_system/lib.rs
+++ b/src/liballoc_system/lib.rs
@@ -25,7 +25,6 @@
     feature(integer_atomics, stdsimd)
 )]
 #![cfg_attr(any(unix, target_os = "cloudabi", target_os = "redox"), feature(libc))]
-#![rustc_alloc_kind = "lib"]
 
 // The minimum alignment guaranteed by the architecture. This value is used to
 // add fast paths for low alignment values.
diff --git a/src/librustc/middle/dependency_format.rs b/src/librustc/middle/dependency_format.rs
index e3f9c51a1235ee934e046c90e09046d9689097d8..671f513d5b9331850caeb02550f4e08d06080785 100644
--- a/src/librustc/middle/dependency_format.rs
+++ b/src/librustc/middle/dependency_format.rs
@@ -63,7 +63,6 @@
 
 use hir::def_id::CrateNum;
 
-use session;
 use session::config;
 use ty::TyCtxt;
 use middle::cstore::{self, DepKind};
@@ -224,7 +223,6 @@ fn calculate_type<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
     // quite yet, so do so here.
     activate_injected_dep(*sess.injected_panic_runtime.get(), &mut ret,
                           &|cnum| tcx.is_panic_runtime(cnum));
-    activate_injected_allocator(sess, &mut ret);
 
     // When dylib B links to dylib A, then when using B we must also link to A.
     // It could be the case, however, that the rlib for A is present (hence we
@@ -303,7 +301,6 @@ fn attempt_static<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>) -> Option<DependencyLis
     // that here and activate them.
     activate_injected_dep(*sess.injected_panic_runtime.get(), &mut ret,
                           &|cnum| tcx.is_panic_runtime(cnum));
-    activate_injected_allocator(sess, &mut ret);
 
     Some(ret)
 }
@@ -336,18 +333,6 @@ fn activate_injected_dep(injected: Option<CrateNum>,
     }
 }
 
-fn activate_injected_allocator(sess: &session::Session,
-                               list: &mut DependencyList) {
-    let cnum = match sess.injected_allocator.get() {
-        Some(cnum) => cnum,
-        None => return,
-    };
-    let idx = cnum.as_usize() - 1;
-    if list[idx] == Linkage::NotLinked {
-        list[idx] = Linkage::Static;
-    }
-}
-
 // After the linkage for a crate has been determined we need to verify that
 // there's only going to be one allocator in the output.
 fn verify_ok<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, list: &[Linkage]) {
diff --git a/src/librustc/session/mod.rs b/src/librustc/session/mod.rs
index efd7e8b610efc787290e7b977c9e81b95f507951..8cfbd27fc61631f4096e6ed0ddd59322344223e6 100644
--- a/src/librustc/session/mod.rs
+++ b/src/librustc/session/mod.rs
@@ -112,7 +112,6 @@ pub struct Session {
     /// The metadata::creader module may inject an allocator/panic_runtime
     /// dependency if it didn't already find one, and this tracks what was
     /// injected.
-    pub injected_allocator: Once<Option<CrateNum>>,
     pub allocator_kind: Once<Option<AllocatorKind>>,
     pub injected_panic_runtime: Once<Option<CrateNum>>,
 
@@ -1162,7 +1161,6 @@ pub fn build_session_(
         type_length_limit: Once::new(),
         const_eval_stack_frame_limit: 100,
         next_node_id: OneThread::new(Cell::new(NodeId::new(1))),
-        injected_allocator: Once::new(),
         allocator_kind: Once::new(),
         injected_panic_runtime: Once::new(),
         imported_macro_spans: OneThread::new(RefCell::new(FxHashMap::default())),
diff --git a/src/librustc_metadata/creader.rs b/src/librustc_metadata/creader.rs
index 7733ab2e246d1135fa3fac808b73ce98c0375852..734d84b409a9e5c1cabe8eb0880a98e81d80bccd 100644
--- a/src/librustc_metadata/creader.rs
+++ b/src/librustc_metadata/creader.rs
@@ -864,7 +864,6 @@ fn inject_allocator_crate(&mut self, krate: &ast::Crate) {
             needs_allocator = needs_allocator || data.root.needs_allocator;
         });
         if !needs_allocator {
-            self.sess.injected_allocator.set(None);
             self.sess.allocator_kind.set(None);
             return
         }
@@ -872,20 +871,18 @@ fn inject_allocator_crate(&mut self, krate: &ast::Crate) {
         // At this point we've determined that we need an allocator. Let's see
         // if our compilation session actually needs an allocator based on what
         // we're emitting.
-        let mut need_lib_alloc = false;
-        let mut need_exe_alloc = false;
+        let mut all_rlib = true;
         for ct in self.sess.crate_types.borrow().iter() {
             match *ct {
-                config::CrateType::Executable => need_exe_alloc = true,
+                config::CrateType::Executable |
                 config::CrateType::Dylib |
                 config::CrateType::ProcMacro |
                 config::CrateType::Cdylib |
-                config::CrateType::Staticlib => need_lib_alloc = true,
+                config::CrateType::Staticlib => all_rlib = false,
                 config::CrateType::Rlib => {}
             }
         }
-        if !need_lib_alloc && !need_exe_alloc {
-            self.sess.injected_allocator.set(None);
+        if all_rlib {
             self.sess.allocator_kind.set(None);
             return
         }
@@ -924,103 +921,27 @@ fn inject_allocator_crate(&mut self, krate: &ast::Crate) {
         });
         if global_allocator.is_some() {
             self.sess.allocator_kind.set(Some(AllocatorKind::Global));
-            self.sess.injected_allocator.set(None);
             return
         }
 
         // Ok we haven't found a global allocator but we still need an
-        // allocator. At this point we'll either fall back to the "library
-        // allocator" or the "exe allocator" depending on a few variables. Let's
-        // figure out which one.
-        //
-        // Note that here we favor linking to the "library allocator" as much as
-        // possible. If we're not creating rustc's version of libstd
-        // (need_lib_alloc and prefer_dynamic) then we select `None`, and if the
-        // exe allocation crate doesn't exist for this target then we also
-        // select `None`.
-        let exe_allocation_crate_data =
-            if need_lib_alloc && !self.sess.opts.cg.prefer_dynamic {
-                None
-            } else {
-                self.sess
-                    .target
-                    .target
-                    .options
-                    .exe_allocation_crate
-                    .as_ref()
-                    .map(|name| {
-                        // We've determined that we're injecting an "exe allocator" which means
-                        // that we're going to load up a whole new crate. An example of this is
-                        // that we're producing a normal binary on Linux which means we need to
-                        // load the `alloc_jemalloc` crate to link as an allocator.
-                        let name = Symbol::intern(name);
-                        let (cnum, data) = self.resolve_crate(&None,
-                                                              name,
-                                                              name,
-                                                              None,
-                                                              None,
-                                                              DUMMY_SP,
-                                                              PathKind::Crate,
-                                                              DepKind::Implicit)
-                            .unwrap_or_else(|err| err.report());
-                        self.sess.injected_allocator.set(Some(cnum));
-                        data
-                    })
-            };
-
-        let allocation_crate_data = exe_allocation_crate_data.or_else(|| {
-            // No allocator was injected
-            self.sess.injected_allocator.set(None);
-
-            if attr::contains_name(&krate.attrs, "default_lib_allocator") {
-                // Prefer self as the allocator if there's a collision
-                return None;
+        // allocator. At this point our allocator request is typically fulfilled
+        // by the standard library, denoted by the `#![default_lib_allocator]`
+        // attribute.
+        let mut has_default = attr::contains_name(&krate.attrs, "default_lib_allocator");
+        self.cstore.iter_crate_data(|_, data| {
+            if data.root.has_default_lib_allocator {
+                has_default = true;
             }
-            // We're not actually going to inject an allocator, we're going to
-            // require that something in our crate graph is the default lib
-            // allocator. This is typically libstd, so this'll rarely be an
-            // error.
-            let mut allocator = None;
-            self.cstore.iter_crate_data(|_, data| {
-                if allocator.is_none() && data.root.has_default_lib_allocator {
-                    allocator = Some(data.clone());
-                }
-            });
-            allocator
         });
 
-        match allocation_crate_data {
-            Some(data) => {
-                // We have an allocator. We detect separately what kind it is, to allow for some
-                // flexibility in misconfiguration.
-                let attrs = data.get_item_attrs(CRATE_DEF_INDEX, self.sess);
-                let kind_interned = attr::first_attr_value_str_by_name(&attrs, "rustc_alloc_kind")
-                    .map(Symbol::as_str);
-                let kind_str = kind_interned
-                    .as_ref()
-                    .map(|s| s as &str);
-                let alloc_kind = match kind_str {
-                    None |
-                    Some("lib") => AllocatorKind::DefaultLib,
-                    Some("exe") => AllocatorKind::DefaultExe,
-                    Some(other) => {
-                        self.sess.err(&format!("Allocator kind {} not known", other));
-                        return;
-                    }
-                };
-                self.sess.allocator_kind.set(Some(alloc_kind));
-            },
-            None => {
-                if !attr::contains_name(&krate.attrs, "default_lib_allocator") {
-                    self.sess.err("no global memory allocator found but one is \
-                                   required; link to std or \
-                                   add #[global_allocator] to a static item \
-                                   that implements the GlobalAlloc trait.");
-                    return;
-                }
-                self.sess.allocator_kind.set(Some(AllocatorKind::DefaultLib));
-            }
+        if !has_default {
+            self.sess.err("no global memory allocator found but one is \
+                           required; link to std or \
+                           add #[global_allocator] to a static item \
+                           that implements the GlobalAlloc trait.");
         }
+        self.sess.allocator_kind.set(Some(AllocatorKind::DefaultLib));
 
         fn has_global_allocator(krate: &ast::Crate) -> bool {
             struct Finder(bool);
diff --git a/src/librustc_target/spec/aarch64_unknown_freebsd.rs b/src/librustc_target/spec/aarch64_unknown_freebsd.rs
index 541f0564a01e2cfd82f1db1efdc24e8d75cfb3dd..b120f57192bfb7b0bb0d3b68a2198cc70f64082a 100644
--- a/src/librustc_target/spec/aarch64_unknown_freebsd.rs
+++ b/src/librustc_target/spec/aarch64_unknown_freebsd.rs
@@ -14,9 +14,6 @@ pub fn target() -> TargetResult {
     let mut base = super::freebsd_base::opts();
     base.max_atomic_width = Some(128);
 
-    // see #36994
-    base.exe_allocation_crate = None;
-
     Ok(Target {
         llvm_target: "aarch64-unknown-freebsd".to_string(),
         target_endian: "little".to_string(),
diff --git a/src/librustc_target/spec/aarch64_unknown_linux_gnu.rs b/src/librustc_target/spec/aarch64_unknown_linux_gnu.rs
index 2351d01469215499afd996d4ecfdd1ea9cd536b0..af7ec6a1787f0853ae77fe5bb51b77c4656099b5 100644
--- a/src/librustc_target/spec/aarch64_unknown_linux_gnu.rs
+++ b/src/librustc_target/spec/aarch64_unknown_linux_gnu.rs
@@ -14,9 +14,6 @@ pub fn target() -> TargetResult {
     let mut base = super::linux_base::opts();
     base.max_atomic_width = Some(128);
 
-    // see #36994
-    base.exe_allocation_crate = None;
-
     Ok(Target {
         llvm_target: "aarch64-unknown-linux-gnu".to_string(),
         target_endian: "little".to_string(),
diff --git a/src/librustc_target/spec/aarch64_unknown_linux_musl.rs b/src/librustc_target/spec/aarch64_unknown_linux_musl.rs
index 5ab55a076f45b255f0009ab8412032744b2b54cf..e5ca91aabe56a46118933651d2b95403d03ce53d 100644
--- a/src/librustc_target/spec/aarch64_unknown_linux_musl.rs
+++ b/src/librustc_target/spec/aarch64_unknown_linux_musl.rs
@@ -14,9 +14,6 @@ pub fn target() -> TargetResult {
     let mut base = super::linux_musl_base::opts();
     base.max_atomic_width = Some(128);
 
-    // see #36994
-    base.exe_allocation_crate = None;
-
     Ok(Target {
         llvm_target: "aarch64-unknown-linux-musl".to_string(),
         target_endian: "little".to_string(),
diff --git a/src/librustc_target/spec/hermit_base.rs b/src/librustc_target/spec/hermit_base.rs
index 2a24f771e92897811a9c5ad1ed48fd0c547ee038..168eac685e4f3a4da8ce6eabf072fbe23d050494 100644
--- a/src/librustc_target/spec/hermit_base.rs
+++ b/src/librustc_target/spec/hermit_base.rs
@@ -21,7 +21,6 @@ pub fn opts() -> TargetOptions {
     ]);
 
     TargetOptions {
-        exe_allocation_crate: None,
         executables: true,
         has_elf_tls: true,
         linker_is_gnu: true,
diff --git a/src/librustc_target/spec/l4re_base.rs b/src/librustc_target/spec/l4re_base.rs
index 4ebc930d48b6fa2178ddb6e6c1ca22cc061fcb8c..7932adf3b1054077714b92de197ef4da3563180c 100644
--- a/src/librustc_target/spec/l4re_base.rs
+++ b/src/librustc_target/spec/l4re_base.rs
@@ -30,7 +30,6 @@ pub fn opts() -> TargetOptions {
     TargetOptions {
         executables: true,
         has_elf_tls: false,
-        exe_allocation_crate: None,
         panic_strategy: PanicStrategy::Abort,
         linker: Some("ld".to_string()),
         pre_link_args: args,
diff --git a/src/librustc_target/spec/mips64_unknown_linux_gnuabi64.rs b/src/librustc_target/spec/mips64_unknown_linux_gnuabi64.rs
index 1f60d918908d019a63de628d96dbfaa59a569a47..b80b6b561cd42554172e95cc4d21ae429e533510 100644
--- a/src/librustc_target/spec/mips64_unknown_linux_gnuabi64.rs
+++ b/src/librustc_target/spec/mips64_unknown_linux_gnuabi64.rs
@@ -28,9 +28,6 @@ pub fn target() -> TargetResult {
             features: "+mips64r2".to_string(),
             max_atomic_width: Some(64),
 
-            // see #36994
-            exe_allocation_crate: None,
-
             ..super::linux_base::opts()
         },
     })
diff --git a/src/librustc_target/spec/mips64el_unknown_linux_gnuabi64.rs b/src/librustc_target/spec/mips64el_unknown_linux_gnuabi64.rs
index e42fde8d403fbcd4e37a8e0d8f1e91a92accbc63..1c835af6e412b1e9ea6db09aa9638b242a28cc38 100644
--- a/src/librustc_target/spec/mips64el_unknown_linux_gnuabi64.rs
+++ b/src/librustc_target/spec/mips64el_unknown_linux_gnuabi64.rs
@@ -28,9 +28,6 @@ pub fn target() -> TargetResult {
             features: "+mips64r2".to_string(),
             max_atomic_width: Some(64),
 
-            // see #36994
-            exe_allocation_crate: None,
-
             ..super::linux_base::opts()
         },
     })
diff --git a/src/librustc_target/spec/mips_unknown_linux_gnu.rs b/src/librustc_target/spec/mips_unknown_linux_gnu.rs
index 59e15137cf40d9e932bca7d3053b7d3b2eed5cd2..6331031c9a2847176752ff2b7c8b12b02852afc5 100644
--- a/src/librustc_target/spec/mips_unknown_linux_gnu.rs
+++ b/src/librustc_target/spec/mips_unknown_linux_gnu.rs
@@ -27,9 +27,6 @@ pub fn target() -> TargetResult {
             features: "+mips32r2,+fpxx,+nooddspreg".to_string(),
             max_atomic_width: Some(32),
 
-            // see #36994
-            exe_allocation_crate: None,
-
             ..super::linux_base::opts()
         },
     })
diff --git a/src/librustc_target/spec/mips_unknown_linux_musl.rs b/src/librustc_target/spec/mips_unknown_linux_musl.rs
index 8ee399ba56c329534235c6968f7ce0a0826f29a7..0b20765172a0250911ee289344bb425c329fd5a9 100644
--- a/src/librustc_target/spec/mips_unknown_linux_musl.rs
+++ b/src/librustc_target/spec/mips_unknown_linux_musl.rs
@@ -15,8 +15,6 @@ pub fn target() -> TargetResult {
     base.cpu = "mips32r2".to_string();
     base.features = "+mips32r2,+soft-float".to_string();
     base.max_atomic_width = Some(32);
-    // see #36994
-    base.exe_allocation_crate = None;
     base.crt_static_default = false;
     Ok(Target {
         llvm_target: "mips-unknown-linux-musl".to_string(),
diff --git a/src/librustc_target/spec/mips_unknown_linux_uclibc.rs b/src/librustc_target/spec/mips_unknown_linux_uclibc.rs
index 384ab1e413123cf164a6730f7252095f314e0847..d3f614c982ae4903eae0f7c0dc22b5ed7a14e67e 100644
--- a/src/librustc_target/spec/mips_unknown_linux_uclibc.rs
+++ b/src/librustc_target/spec/mips_unknown_linux_uclibc.rs
@@ -27,9 +27,6 @@ pub fn target() -> TargetResult {
             features: "+mips32r2,+soft-float".to_string(),
             max_atomic_width: Some(32),
 
-            // see #36994
-            exe_allocation_crate: None,
-
             ..super::linux_base::opts()
         },
     })
diff --git a/src/librustc_target/spec/mipsel_unknown_linux_gnu.rs b/src/librustc_target/spec/mipsel_unknown_linux_gnu.rs
index edd29164caca897677971d06f4ec8ecb9c4c3c8b..79ebefa79a320065ff012d4590ef9547fb83a54e 100644
--- a/src/librustc_target/spec/mipsel_unknown_linux_gnu.rs
+++ b/src/librustc_target/spec/mipsel_unknown_linux_gnu.rs
@@ -28,9 +28,6 @@ pub fn target() -> TargetResult {
             features: "+mips32r2,+fpxx,+nooddspreg".to_string(),
             max_atomic_width: Some(32),
 
-            // see #36994
-            exe_allocation_crate: None,
-
             ..super::linux_base::opts()
         },
     })
diff --git a/src/librustc_target/spec/mipsel_unknown_linux_musl.rs b/src/librustc_target/spec/mipsel_unknown_linux_musl.rs
index 1d9378ca1b81407baf89bcb4694469a1f5b800c4..042e2b71c32565f98dedcf716bef3257686e6340 100644
--- a/src/librustc_target/spec/mipsel_unknown_linux_musl.rs
+++ b/src/librustc_target/spec/mipsel_unknown_linux_musl.rs
@@ -15,8 +15,6 @@ pub fn target() -> TargetResult {
     base.cpu = "mips32r2".to_string();
     base.features = "+mips32r2,+soft-float".to_string();
     base.max_atomic_width = Some(32);
-    // see #36994
-    base.exe_allocation_crate = None;
     base.crt_static_default = false;
     Ok(Target {
         llvm_target: "mipsel-unknown-linux-musl".to_string(),
diff --git a/src/librustc_target/spec/mipsel_unknown_linux_uclibc.rs b/src/librustc_target/spec/mipsel_unknown_linux_uclibc.rs
index a1db1791bb7ce6027f35f6bdf59e4b9cd63de7f7..8cb5cd3f03a677f024841f1572563d916c361526 100644
--- a/src/librustc_target/spec/mipsel_unknown_linux_uclibc.rs
+++ b/src/librustc_target/spec/mipsel_unknown_linux_uclibc.rs
@@ -28,9 +28,6 @@ pub fn target() -> TargetResult {
             features: "+mips32r2,+soft-float".to_string(),
             max_atomic_width: Some(32),
 
-            // see #36994
-            exe_allocation_crate: None,
-
             ..super::linux_base::opts()
         },
     })
diff --git a/src/librustc_target/spec/mod.rs b/src/librustc_target/spec/mod.rs
index c8af81c02ea4a48b5a8a72cd7e1307272532fd63..16dc2a91030f1723c0f937feb6788b9a1c3fb30f 100644
--- a/src/librustc_target/spec/mod.rs
+++ b/src/librustc_target/spec/mod.rs
@@ -596,9 +596,6 @@ pub struct TargetOptions {
     /// `eh_unwind_resume` lang item.
     pub custom_unwind_resume: bool,
 
-    /// If necessary, a different crate to link exe allocators by default
-    pub exe_allocation_crate: Option<String>,
-
     /// Flag indicating whether ELF TLS (e.g. #[thread_local]) is available for
     /// this target.
     pub has_elf_tls: bool,
@@ -740,7 +737,6 @@ fn default() -> TargetOptions {
             link_env: Vec::new(),
             archive_format: "gnu".to_string(),
             custom_unwind_resume: false,
-            exe_allocation_crate: None,
             allow_asm: true,
             has_elf_tls: false,
             obj_is_bitcode: false,
@@ -1025,7 +1021,6 @@ pub fn from_json(obj: Json) -> TargetResult {
         key!(archive_format);
         key!(allow_asm, bool);
         key!(custom_unwind_resume, bool);
-        key!(exe_allocation_crate, optional);
         key!(has_elf_tls, bool);
         key!(obj_is_bitcode, bool);
         key!(no_integrated_as, bool);
@@ -1235,7 +1230,6 @@ fn to_json(&self) -> Json {
         target_option_val!(archive_format);
         target_option_val!(allow_asm);
         target_option_val!(custom_unwind_resume);
-        target_option_val!(exe_allocation_crate);
         target_option_val!(has_elf_tls);
         target_option_val!(obj_is_bitcode);
         target_option_val!(no_integrated_as);
diff --git a/src/librustc_target/spec/powerpc64_unknown_linux_gnu.rs b/src/librustc_target/spec/powerpc64_unknown_linux_gnu.rs
index 1959871161343aa656d32cfdd816f357f6ff619b..1d0afcd5e0c608b4721024d301fe2b5187ed25b9 100644
--- a/src/librustc_target/spec/powerpc64_unknown_linux_gnu.rs
+++ b/src/librustc_target/spec/powerpc64_unknown_linux_gnu.rs
@@ -20,9 +20,6 @@ pub fn target() -> TargetResult {
     // for now. https://github.com/rust-lang/rust/pull/43170#issuecomment-315411474
     base.relro_level = RelroLevel::Partial;
 
-    // see #36994
-    base.exe_allocation_crate = None;
-
     Ok(Target {
         llvm_target: "powerpc64-unknown-linux-gnu".to_string(),
         target_endian: "big".to_string(),
diff --git a/src/librustc_target/spec/powerpc64le_unknown_linux_gnu.rs b/src/librustc_target/spec/powerpc64le_unknown_linux_gnu.rs
index 39840692dff188efd4e951f1681d87d1d989d7b6..01811c5a0c32227e2fcc72e20379cd2ae20dbb9c 100644
--- a/src/librustc_target/spec/powerpc64le_unknown_linux_gnu.rs
+++ b/src/librustc_target/spec/powerpc64le_unknown_linux_gnu.rs
@@ -16,9 +16,6 @@ pub fn target() -> TargetResult {
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
     base.max_atomic_width = Some(64);
 
-    // see #36994
-    base.exe_allocation_crate = None;
-
     Ok(Target {
         llvm_target: "powerpc64le-unknown-linux-gnu".to_string(),
         target_endian: "little".to_string(),
diff --git a/src/librustc_target/spec/powerpc64le_unknown_linux_musl.rs b/src/librustc_target/spec/powerpc64le_unknown_linux_musl.rs
index 34ec82412289df36845f34a920fd13bcf33bff5c..590c5ba8d54b49fcba547674347ccbe4debe6d51 100644
--- a/src/librustc_target/spec/powerpc64le_unknown_linux_musl.rs
+++ b/src/librustc_target/spec/powerpc64le_unknown_linux_musl.rs
@@ -16,9 +16,6 @@ pub fn target() -> TargetResult {
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
     base.max_atomic_width = Some(64);
 
-    // see #36994
-    base.exe_allocation_crate = None;
-
     Ok(Target {
         llvm_target: "powerpc64le-unknown-linux-musl".to_string(),
         target_endian: "little".to_string(),
diff --git a/src/librustc_target/spec/powerpc_unknown_linux_gnu.rs b/src/librustc_target/spec/powerpc_unknown_linux_gnu.rs
index c05b110a75d391e888c465d9d9ce74ec2709ab07..99d8d99fbb2b620c59a8c08b2b854fa9054ffd1b 100644
--- a/src/librustc_target/spec/powerpc_unknown_linux_gnu.rs
+++ b/src/librustc_target/spec/powerpc_unknown_linux_gnu.rs
@@ -15,9 +15,6 @@ pub fn target() -> TargetResult {
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m32".to_string());
     base.max_atomic_width = Some(32);
 
-    // see #36994
-    base.exe_allocation_crate = None;
-
     Ok(Target {
         llvm_target: "powerpc-unknown-linux-gnu".to_string(),
         target_endian: "big".to_string(),
diff --git a/src/librustc_target/spec/powerpc_unknown_linux_gnuspe.rs b/src/librustc_target/spec/powerpc_unknown_linux_gnuspe.rs
index c76c3119c87c5deab3f7b39477472c102df01f0b..9b15b0a5dc4b7b3c80c81b411535733b3423a6fd 100644
--- a/src/librustc_target/spec/powerpc_unknown_linux_gnuspe.rs
+++ b/src/librustc_target/spec/powerpc_unknown_linux_gnuspe.rs
@@ -15,9 +15,6 @@ pub fn target() -> TargetResult {
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-mspe".to_string());
     base.max_atomic_width = Some(32);
 
-    // see #36994
-    base.exe_allocation_crate = None;
-
     Ok(Target {
         llvm_target: "powerpc-unknown-linux-gnuspe".to_string(),
         target_endian: "big".to_string(),
diff --git a/src/librustc_target/spec/powerpc_unknown_netbsd.rs b/src/librustc_target/spec/powerpc_unknown_netbsd.rs
index 740222c9608054400464792a6e1901b732297cf9..98625a63f52980adefeac771fe27a349f44af36b 100644
--- a/src/librustc_target/spec/powerpc_unknown_netbsd.rs
+++ b/src/librustc_target/spec/powerpc_unknown_netbsd.rs
@@ -15,9 +15,6 @@ pub fn target() -> TargetResult {
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m32".to_string());
     base.max_atomic_width = Some(32);
 
-    // see #36994
-    base.exe_allocation_crate = None;
-
     Ok(Target {
         llvm_target: "powerpc-unknown-netbsd".to_string(),
         target_endian: "big".to_string(),
diff --git a/src/librustc_target/spec/s390x_unknown_linux_gnu.rs b/src/librustc_target/spec/s390x_unknown_linux_gnu.rs
index c9a9625ebab95b59d85e99ca711589f525dc9f17..bd8b7e435d340e1a0cc676b65d1d391423ff4524 100644
--- a/src/librustc_target/spec/s390x_unknown_linux_gnu.rs
+++ b/src/librustc_target/spec/s390x_unknown_linux_gnu.rs
@@ -19,8 +19,6 @@ pub fn target() -> TargetResult {
     // Pass the -vector feature string to LLVM to respect this assumption.
     base.features = "-vector".to_string();
     base.max_atomic_width = Some(64);
-    // see #36994
-    base.exe_allocation_crate = None;
     base.min_global_align = Some(16);
 
     Ok(Target {
diff --git a/src/librustc_target/spec/sparc64_unknown_linux_gnu.rs b/src/librustc_target/spec/sparc64_unknown_linux_gnu.rs
index f68b5fd24bf755dd128cc1ce49b374600e97525c..f2b99aa46d2d0cfc7f7fc72b39cce4a1856a3b37 100644
--- a/src/librustc_target/spec/sparc64_unknown_linux_gnu.rs
+++ b/src/librustc_target/spec/sparc64_unknown_linux_gnu.rs
@@ -14,7 +14,6 @@ pub fn target() -> TargetResult {
     let mut base = super::linux_base::opts();
     base.cpu = "v9".to_string();
     base.max_atomic_width = Some(64);
-    base.exe_allocation_crate = None;
 
     Ok(Target {
         llvm_target: "sparc64-unknown-linux-gnu".to_string(),
diff --git a/src/librustc_target/spec/sparc_unknown_linux_gnu.rs b/src/librustc_target/spec/sparc_unknown_linux_gnu.rs
index 4e352374f90b064a9132f1b1036f16084d2a29ec..81db39cd23f87d288915989613f2e5192391af51 100644
--- a/src/librustc_target/spec/sparc_unknown_linux_gnu.rs
+++ b/src/librustc_target/spec/sparc_unknown_linux_gnu.rs
@@ -15,7 +15,6 @@ pub fn target() -> TargetResult {
     base.cpu = "v9".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-mv8plus".to_string());
-    base.exe_allocation_crate = None;
 
     Ok(Target {
         llvm_target: "sparc-unknown-linux-gnu".to_string(),
diff --git a/src/librustc_target/spec/sparcv9_sun_solaris.rs b/src/librustc_target/spec/sparcv9_sun_solaris.rs
index 8bc233107b8bb5bf1c49616c65392bb7c76e2c5c..5029e857eb5431378e8a83fb4cf8e55f0bac56f6 100644
--- a/src/librustc_target/spec/sparcv9_sun_solaris.rs
+++ b/src/librustc_target/spec/sparcv9_sun_solaris.rs
@@ -16,7 +16,6 @@ pub fn target() -> TargetResult {
     // llvm calls this "v9"
     base.cpu = "v9".to_string();
     base.max_atomic_width = Some(64);
-    base.exe_allocation_crate = None;
 
     Ok(Target {
         llvm_target: "sparcv9-sun-solaris".to_string(),
diff --git a/src/librustc_target/spec/x86_64_rumprun_netbsd.rs b/src/librustc_target/spec/x86_64_rumprun_netbsd.rs
index 684bf5a6c1026e2e950e679decfc18a22f883cda..e7570cd2da6ec84fd4cfa9b19fbe0849e2ef7ab1 100644
--- a/src/librustc_target/spec/x86_64_rumprun_netbsd.rs
+++ b/src/librustc_target/spec/x86_64_rumprun_netbsd.rs
@@ -21,7 +21,6 @@ pub fn target() -> TargetResult {
     base.has_rpath = false;
     base.position_independent_executables = false;
     base.disable_redzone = true;
-    base.exe_allocation_crate = None;
     base.stack_probes = true;
 
     Ok(Target {