diff --git a/cli/build.rs b/cli/build.rs
index 5d343c5f35..695c4f86f1 100644
--- a/cli/build.rs
+++ b/cli/build.rs
@@ -32,16 +32,6 @@ fn main() {
 
   let extern_crate_modules = include_crate_modules![deno_core];
 
-  // The generation of snapshots is slow and often unnecessary. Until we figure
-  // out how to speed it up, or avoid it when unnecessary, this env var provides
-  // an escape hatch for the impatient hacker in need of faster incremental
-  // builds.
-  // USE WITH EXTREME CAUTION
-  if env::var_os("NO_BUILD_SNAPSHOTS").is_some() {
-    println!("NO_BUILD_SNAPSHOTS is set, skipping snapshot building.");
-    return;
-  }
-
   let c = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap());
   let o = PathBuf::from(env::var_os("OUT_DIR").unwrap());
 
diff --git a/cli/js.rs b/cli/js.rs
index 2b499987f0..cf8d465f15 100644
--- a/cli/js.rs
+++ b/cli/js.rs
@@ -4,17 +4,11 @@ pub static CLI_SNAPSHOT: &[u8] =
   include_bytes!(concat!(env!("OUT_DIR"), "/CLI_SNAPSHOT.bin"));
 pub static CLI_SNAPSHOT_MAP: &[u8] =
   include_bytes!(concat!(env!("OUT_DIR"), "/CLI_SNAPSHOT.js.map"));
-#[allow(dead_code)]
-pub static CLI_SNAPSHOT_DTS: &[u8] =
-  include_bytes!(concat!(env!("OUT_DIR"), "/CLI_SNAPSHOT.d.ts"));
 
 pub static COMPILER_SNAPSHOT: &[u8] =
   include_bytes!(concat!(env!("OUT_DIR"), "/COMPILER_SNAPSHOT.bin"));
 pub static COMPILER_SNAPSHOT_MAP: &[u8] =
   include_bytes!(concat!(env!("OUT_DIR"), "/COMPILER_SNAPSHOT.js.map"));
-#[allow(dead_code)]
-pub static COMPILER_SNAPSHOT_DTS: &[u8] =
-  include_bytes!(concat!(env!("OUT_DIR"), "/COMPILER_SNAPSHOT.d.ts"));
 
 pub static DENO_NS_LIB: &str = include_str!("js/lib.deno.ns.d.ts");
 pub static SHARED_GLOBALS_LIB: &str =
diff --git a/cli/startup_data.rs b/cli/startup_data.rs
index 86bae2f471..2f209a378b 100644
--- a/cli/startup_data.rs
+++ b/cli/startup_data.rs
@@ -4,36 +4,12 @@ use crate::js::COMPILER_SNAPSHOT;
 use deno_core::Snapshot;
 use deno_core::StartupData;
 
-#[cfg(feature = "no-snapshot-init")]
-pub fn deno_isolate_init() -> StartupData<'static> {
-  debug!("Deno isolate init without snapshots.");
-  let source =
-    include_str!(concat!(env!("GN_OUT_DIR"), "/gen/cli/bundle/main.js"));
-  StartupData::Script(deno_core::Script {
-    filename: "gen/cli/bundle/main.js",
-    source,
-  })
-}
-
-#[cfg(not(feature = "no-snapshot-init"))]
 pub fn deno_isolate_init() -> StartupData<'static> {
   debug!("Deno isolate init with snapshots.");
   let data = CLI_SNAPSHOT;
   StartupData::Snapshot(Snapshot::Static(data))
 }
 
-#[cfg(feature = "no-snapshot-init")]
-pub fn compiler_isolate_init() -> StartupData<'static> {
-  debug!("Compiler isolate init without snapshots.");
-  let source =
-    include_str!(concat!(env!("GN_OUT_DIR"), "/gen/cli/bundle/compiler.js"));
-  StartupData::Script(deno_core::Script {
-    filename: "gen/cli/bundle/compiler.js",
-    source,
-  })
-}
-
-#[cfg(not(feature = "no-snapshot-init"))]
 pub fn compiler_isolate_init() -> StartupData<'static> {
   debug!("Deno isolate init with snapshots.");
   let data = COMPILER_SNAPSHOT;