diff --git a/ahci/Cargo.toml b/ahci/Cargo.toml
index 8504588c1..61c8ef5d3 100644
--- a/ahci/Cargo.toml
+++ b/ahci/Cargo.toml
@@ -11,8 +11,11 @@ kfs-libutils = { path = "../libutils" }
 spin = "0.4"
 log = "0.4.6"
 bitfield = "0.13.1"
-static_assertions = "0.3.1"
 
 [dependencies.lazy_static]
 features = ["spin_no_std"]
 version = "1.3.0"
+
+[dependencies.static_assertions]
+version  = "0.3.1"
+features = ["nightly"]
diff --git a/ahci/src/hba.rs b/ahci/src/hba.rs
index 747cc6fe4..769d61b17 100644
--- a/ahci/src/hba.rs
+++ b/ahci/src/hba.rs
@@ -1026,7 +1026,7 @@ pub struct CmdHeaderArray {
     pub slots: [CmdHeader; 32]
 }
 
-assert_eq_size!(size_CmdHeaderArray; CmdHeaderArray, [u8; 1024]);
+assert_eq_size!(CmdHeaderArray, [u8; 1024]);
 
 unsafe impl ZeroInitialized for CmdHeaderArray {}
 
@@ -1068,7 +1068,7 @@ pub struct CmdTable {
                             // 248 entries fills the rest of the page.
 }
 
-assert_eq_size!(size_CmdTable; CmdTable, [u8; 4096]);
+assert_eq_size!(CmdTable, [u8; 4096]);
 
 unsafe impl ZeroInitialized for CmdTable {}
 
@@ -1084,7 +1084,7 @@ union Cfis {
     // ...
 }
 
-assert_eq_size!(size_Cfis; Cfis, [u8; 64]);
+assert_eq_size!(Cfis, [u8; 64]);
 
 /// Physical Region Descriptor Table entry.
 ///
@@ -1189,7 +1189,7 @@ pub struct ReceivedFis {
     _rsv3:  [u8; 0x60],
 }
 
-assert_eq_size!(size_ReceivedFis; ReceivedFis, [u8; 0x100]);
+assert_eq_size!(ReceivedFis, [u8; 0x100]);
 
 unsafe impl ZeroInitialized for ReceivedFis {}
 
diff --git a/ahci/src/main.rs b/ahci/src/main.rs
index 083b3faab..578e71792 100644
--- a/ahci/src/main.rs
+++ b/ahci/src/main.rs
@@ -39,7 +39,7 @@
 //! simultaneously. Unfortunately we can't take advantage of that until we manage to
 //! make command-completion interrupts work.
 
-#![feature(alloc, maybe_uninit, box_syntax, untagged_unions, const_vec_new)]
+#![feature(alloc, maybe_uninit, box_syntax, untagged_unions, const_vec_new, underscore_const_names)]
 #![no_std]
 
 // rustc warnings
diff --git a/bootstrap/Cargo.toml b/bootstrap/Cargo.toml
index 40bb1cb6a..70db96643 100644
--- a/bootstrap/Cargo.toml
+++ b/bootstrap/Cargo.toml
@@ -15,7 +15,6 @@ bit_field = "0.9.0"
 bitflags = "1.0"
 multiboot2 = { git = "https://github.com/roblabla/multiboot2-elf64" }
 spin = "0.5.0"
-static_assertions = "*"
 xmas-elf = "0.6.2"
 
 [dependencies.smallvec]
@@ -29,3 +28,7 @@ version = "0.4.10"
 [dependencies.lazy_static]
 features = ["spin_no_std"]
 version = "1.3.0"
+
+[dependencies.static_assertions]
+version  = "0.3.1"
+features = ["nightly"]
diff --git a/bootstrap/src/main.rs b/bootstrap/src/main.rs
index 6efde37c3..c752abfb3 100644
--- a/bootstrap/src/main.rs
+++ b/bootstrap/src/main.rs
@@ -22,7 +22,7 @@
 //! fancy logging interfaces that the kernel has.
 //!
 
-#![feature(lang_items, start, asm, global_asm, compiler_builtins_lib, naked_functions, core_intrinsics, const_fn, abi_x86_interrupt)]
+#![feature(lang_items, start, asm, global_asm, compiler_builtins_lib, naked_functions, core_intrinsics, const_fn, abi_x86_interrupt, underscore_const_names)]
 #![no_std]
 #![cfg_attr(target_os = "none", no_main)]
 
diff --git a/bootstrap/src/paging/mod.rs b/bootstrap/src/paging/mod.rs
index cf6b091a6..32c26783a 100644
--- a/bootstrap/src/paging/mod.rs
+++ b/bootstrap/src/paging/mod.rs
@@ -167,16 +167,14 @@ impl VirtualSpaceLand for UserLand {
 
 // Assertions to check that Kernel/User pages falls on distinct page tables
 // and also that they do not overlap
-fn __land_assertions() {
-    const_assert!(KernelLand::start_addr().0 < KernelLand::end_addr().0);
-    const_assert!(UserLand::start_addr().0 < UserLand::end_addr().0);
-    // TODO: Const FN sucks! Check that the kernelland and userland don't overlap.
-    //const_assert!(::core::cmp::max(KernelLand::start_addr(), UserLand::start_addr()) >=
-    //              ::core::cmp::min(KernelLand::end_addr(),   UserLand::end_addr()));
-
-    const_assert!(KernelLand::start_addr().0 % (ENTRY_COUNT * PAGE_SIZE) == 0);
-    const_assert!(UserLand::start_addr().0   % (ENTRY_COUNT * PAGE_SIZE) == 0);
-}
+const_assert!(KernelLand::start_addr().0 < KernelLand::end_addr().0);
+const_assert!(UserLand::start_addr().0 < UserLand::end_addr().0);
+// TODO: Const FN sucks! Check that the kernelland and userland don't overlap.
+//const_assert!(::core::cmp::max(KernelLand::start_addr(), UserLand::start_addr()) >=
+//              ::core::cmp::min(KernelLand::end_addr(),   UserLand::end_addr()));
+
+const_assert!(KernelLand::start_addr().0 % (ENTRY_COUNT * PAGE_SIZE) == 0);
+const_assert!(UserLand::start_addr().0   % (ENTRY_COUNT * PAGE_SIZE) == 0);
 
 /// Creates a mapping in the page tables with the given flags.
 /// Allocates the pointed page and chooses the virtual address.
diff --git a/bootstrap/src/paging/table.rs b/bootstrap/src/paging/table.rs
index ba30fa8b3..330bb2e4a 100644
--- a/bootstrap/src/paging/table.rs
+++ b/bootstrap/src/paging/table.rs
@@ -24,12 +24,9 @@ pub struct PageTable {
 /// A page directory
 pub struct PageDirectory(PageTable);
 
-// Assertions
-fn __assertions() {
-    const_assert!(::core::mem::size_of::<PageDirectory>() >= MEMORY_FRAME_SIZE);
-    const_assert!(::core::mem::size_of::<PageTable>() >= MEMORY_FRAME_SIZE);
-    const_assert!(::core::mem::size_of::<PageTable>() == ::core::mem::size_of::<PageDirectory>());
-}
+const_assert!(::core::mem::size_of::<PageDirectory>() >= MEMORY_FRAME_SIZE);
+const_assert!(::core::mem::size_of::<PageTable>() >= MEMORY_FRAME_SIZE);
+const_assert!(::core::mem::size_of::<PageTable>() == ::core::mem::size_of::<PageDirectory>());
 
 /// When paging is on, accessing this address loops back to the directory itself thanks to
 /// recursive mapping on directory's last entry
diff --git a/kernel/Cargo.toml b/kernel/Cargo.toml
index 50ecf96ad..c46f47677 100644
--- a/kernel/Cargo.toml
+++ b/kernel/Cargo.toml
@@ -24,7 +24,6 @@ bit_field = "0.9.0"
 bitflags = "1.0"
 multiboot2 = { git = "https://github.com/roblabla/multiboot2-elf64" }
 spin = "0.5"
-static_assertions = "0.3.1"
 linked_list_allocator = "0.6.2"
 log = "0.4.6"
 xmas-elf = "0.6.2"
@@ -48,3 +47,7 @@ version = "0.1.8"
 [dependencies.lazy_static]
 features = ["spin_no_std"]
 version = "1.3.0"
+
+[dependencies.static_assertions]
+version  = "0.3.1"
+features = ["nightly"]
diff --git a/kernel/src/i386/mod.rs b/kernel/src/i386/mod.rs
index aa072304c..d98cb028f 100644
--- a/kernel/src/i386/mod.rs
+++ b/kernel/src/i386/mod.rs
@@ -342,7 +342,7 @@ impl Default for TssStruct {
     }
 }
 
-const_assert_eq!(tss_struct_size; ::core::mem::size_of::<TssStruct>(), 0x68);
+const_assert_eq!(::core::mem::size_of::<TssStruct>(), 0x68);
 
 impl TssStruct {
     /// Creates a new TssStruct.
diff --git a/kernel/src/i386/structures/idt.rs b/kernel/src/i386/structures/idt.rs
index 567dc5678..1d0379699 100644
--- a/kernel/src/i386/structures/idt.rs
+++ b/kernel/src/i386/structures/idt.rs
@@ -392,7 +392,7 @@ impl fmt::Debug for Idt {
     }
 }
 
-const_assert_eq!(const_assert_idt; mem::size_of::<Idt>(), 256 * 8);
+const_assert_eq!(mem::size_of::<Idt>(), 256 * 8);
 
 
 impl Idt {
@@ -544,7 +544,7 @@ impl<F> fmt::Debug for IdtEntry<F> {
     }
 }
 
-const_assert_eq!(const_assert_idtentry; mem::size_of::<IdtEntry<()>>(), 8);
+const_assert_eq!(mem::size_of::<IdtEntry<()>>(), 8);
 
 /// A handler function for an interrupt or an exception without error code.
 pub type HandlerFunc = extern "x86-interrupt" fn(&mut ExceptionStackFrame);
diff --git a/kernel/src/main.rs b/kernel/src/main.rs
index 1164e6f93..f645a4109 100644
--- a/kernel/src/main.rs
+++ b/kernel/src/main.rs
@@ -6,7 +6,7 @@
 //! Currently doesn't do much, besides booting and printing Hello World on the
 //! screen. But hey, that's a start.
 
-#![feature(lang_items, start, asm, global_asm, compiler_builtins_lib, naked_functions, core_intrinsics, const_fn, abi_x86_interrupt, allocator_api, alloc, box_syntax, no_more_cas, const_vec_new, range_contains, step_trait, thread_local, nll)]
+#![feature(lang_items, start, asm, global_asm, compiler_builtins_lib, naked_functions, core_intrinsics, const_fn, abi_x86_interrupt, allocator_api, alloc, box_syntax, no_more_cas, const_vec_new, range_contains, step_trait, thread_local, nll, underscore_const_names)]
 #![no_std]
 #![cfg_attr(target_os = "none", no_main)]
 #![recursion_limit = "1024"]
diff --git a/kernel/src/paging/lands.rs b/kernel/src/paging/lands.rs
index e3f25cf2b..669049820 100644
--- a/kernel/src/paging/lands.rs
+++ b/kernel/src/paging/lands.rs
@@ -110,15 +110,12 @@ impl VirtualSpaceLand for RecursiveTablesLand {
 
 /// Assertions to check that Kernel/User pages falls on distinct page tables
 /// and also that they do not overlap.
-fn __land_assertions() {
-    const_assert!(KernelLand::START.0 < KernelLand::END.0);
-    const_assert!(UserLand::START.0 < UserLand::END.0);
-    const_assert!(RecursiveTablesLand::START.0 < RecursiveTablesLand::END.0);
-    // TODO: Const FN sucks! Check that the kernelland and userland don't overlap.
-    //const_assert!(::core::cmp::max(KernelLand::start_addr(), UserLand::start_addr()) >=
-    //              ::core::cmp::min(KernelLand::end_addr(),   UserLand::end_addr()));
-
-    const_assert!(KernelLand::START.0 % (ENTRY_COUNT * PAGE_SIZE) == 0);
-    const_assert!(UserLand::START.0   % (ENTRY_COUNT * PAGE_SIZE) == 0);
-}
-
+const_assert!(KernelLand::START.0 < KernelLand::END.0);
+const_assert!(UserLand::START.0 < UserLand::END.0);
+const_assert!(RecursiveTablesLand::START.0 < RecursiveTablesLand::END.0);
+// TODO: Const FN sucks! Check that the kernelland and userland don't overlap.
+//const_assert!(::core::cmp::max(KernelLand::start_addr(), UserLand::start_addr()) >=
+//              ::core::cmp::min(KernelLand::end_addr(),   UserLand::end_addr()));
+
+const_assert!(KernelLand::START.0 % (ENTRY_COUNT * PAGE_SIZE) == 0);
+const_assert!(UserLand::START.0   % (ENTRY_COUNT * PAGE_SIZE) == 0);