diff --git a/Cargo.lock b/Cargo.lock
index 73cb611d79f18..84bd2a78f7bbf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3577,7 +3577,6 @@ version = "0.0.0"
 dependencies = [
  "log",
  "rustc_ast",
- "rustc_data_structures",
  "rustc_span",
 ]
 
@@ -3594,7 +3593,6 @@ dependencies = [
  "rustc_session",
  "rustc_span",
  "serialize",
- "smallvec 1.0.0",
 ]
 
 [[package]]
@@ -3666,7 +3664,6 @@ dependencies = [
  "rustc_hir",
  "rustc_incremental",
  "rustc_index",
- "rustc_metadata",
  "rustc_middle",
  "rustc_session",
  "rustc_span",
@@ -3809,7 +3806,6 @@ version = "0.0.0"
 dependencies = [
  "rustc_ast",
  "rustc_ast_pretty",
- "rustc_data_structures",
  "rustc_hir",
  "rustc_span",
  "rustc_target",
@@ -3879,7 +3875,6 @@ dependencies = [
  "rustc_expand",
  "rustc_hir",
  "rustc_incremental",
- "rustc_infer",
  "rustc_lint",
  "rustc_metadata",
  "rustc_middle",
@@ -3924,7 +3919,6 @@ dependencies = [
  "rustc_feature",
  "rustc_hir",
  "rustc_index",
- "rustc_infer",
  "rustc_middle",
  "rustc_session",
  "rustc_span",
@@ -3986,10 +3980,8 @@ dependencies = [
  "backtrace",
  "bitflags",
  "byteorder",
- "jobserver",
  "log",
  "measureme",
- "parking_lot 0.10.2",
  "polonius-engine",
  "rustc-rayon",
  "rustc-rayon-core",
@@ -4023,7 +4015,6 @@ dependencies = [
  "polonius-engine",
  "rustc_apfloat",
  "rustc_ast",
- "rustc_ast_pretty",
  "rustc_attr",
  "rustc_data_structures",
  "rustc_errors",
@@ -4079,7 +4070,6 @@ dependencies = [
  "rustc_lexer",
  "rustc_session",
  "rustc_span",
- "smallvec 1.0.0",
  "unicode-normalization",
 ]
 
@@ -4092,10 +4082,8 @@ dependencies = [
  "rustc_attr",
  "rustc_data_structures",
  "rustc_errors",
- "rustc_feature",
  "rustc_hir",
  "rustc_index",
- "rustc_infer",
  "rustc_middle",
  "rustc_session",
  "rustc_span",
@@ -4143,7 +4131,6 @@ dependencies = [
  "rustc_data_structures",
  "rustc_errors",
  "rustc_index",
- "rustc_macros",
  "rustc_span",
  "serialize",
  "smallvec 1.0.0",
@@ -4296,10 +4283,8 @@ dependencies = [
  "rustc_data_structures",
  "rustc_hir",
  "rustc_infer",
- "rustc_macros",
  "rustc_middle",
  "rustc_span",
- "rustc_target",
  "rustc_trait_selection",
  "smallvec 1.0.0",
 ]
diff --git a/src/librustc_ast_pretty/Cargo.toml b/src/librustc_ast_pretty/Cargo.toml
index 82be095db8805..81d98721089f5 100644
--- a/src/librustc_ast_pretty/Cargo.toml
+++ b/src/librustc_ast_pretty/Cargo.toml
@@ -12,5 +12,4 @@ doctest = false
 [dependencies]
 log = "0.4"
 rustc_span = { path = "../librustc_span" }
-rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_ast = { path = "../librustc_ast" }
diff --git a/src/librustc_attr/Cargo.toml b/src/librustc_attr/Cargo.toml
index 8aaba15d84ad2..a7a7e3dcc5f02 100644
--- a/src/librustc_attr/Cargo.toml
+++ b/src/librustc_attr/Cargo.toml
@@ -17,6 +17,5 @@ rustc_span = { path = "../librustc_span" }
 rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_feature = { path = "../librustc_feature" }
 rustc_macros = { path = "../librustc_macros" }
-smallvec = { version = "1.0", features = ["union", "may_dangle"] }
 rustc_session = { path = "../librustc_session" }
 rustc_ast = { path = "../librustc_ast" }
diff --git a/src/librustc_codegen_ssa/Cargo.toml b/src/librustc_codegen_ssa/Cargo.toml
index d9620a21d37cd..e8bfc87aef5ea 100644
--- a/src/librustc_codegen_ssa/Cargo.toml
+++ b/src/librustc_codegen_ssa/Cargo.toml
@@ -34,4 +34,3 @@ rustc_incremental = { path = "../librustc_incremental" }
 rustc_index = { path = "../librustc_index" }
 rustc_target = { path = "../librustc_target" }
 rustc_session = { path = "../librustc_session" }
-rustc_metadata = { path = "../librustc_metadata" }
diff --git a/src/librustc_hir_pretty/Cargo.toml b/src/librustc_hir_pretty/Cargo.toml
index 6a9339b4b9cee..ccd3e9b6e43c3 100644
--- a/src/librustc_hir_pretty/Cargo.toml
+++ b/src/librustc_hir_pretty/Cargo.toml
@@ -13,6 +13,5 @@ doctest = false
 rustc_ast_pretty = { path = "../librustc_ast_pretty" }
 rustc_hir = { path = "../librustc_hir" }
 rustc_target = { path = "../librustc_target" }
-rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_span = { path = "../librustc_span" }
 rustc_ast = { path = "../librustc_ast" }
diff --git a/src/librustc_interface/Cargo.toml b/src/librustc_interface/Cargo.toml
index 8ea866d7cab5c..2963eb29bc170 100644
--- a/src/librustc_interface/Cargo.toml
+++ b/src/librustc_interface/Cargo.toml
@@ -32,7 +32,6 @@ rustc_codegen_ssa = { path = "../librustc_codegen_ssa" }
 rustc_symbol_mangling = { path = "../librustc_symbol_mangling" }
 rustc_codegen_llvm = { path = "../librustc_codegen_llvm", optional = true }
 rustc_hir = { path = "../librustc_hir" }
-rustc_infer = { path = "../librustc_infer" }
 rustc_metadata = { path = "../librustc_metadata" }
 rustc_mir = { path = "../librustc_mir" }
 rustc_mir_build = { path = "../librustc_mir_build" }
diff --git a/src/librustc_lint/Cargo.toml b/src/librustc_lint/Cargo.toml
index 44a5ba3de517c..b238a3156fae5 100644
--- a/src/librustc_lint/Cargo.toml
+++ b/src/librustc_lint/Cargo.toml
@@ -23,5 +23,4 @@ rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_feature = { path = "../librustc_feature" }
 rustc_index = { path = "../librustc_index" }
 rustc_session = { path = "../librustc_session" }
-rustc_infer = { path = "../librustc_infer" }
 rustc_trait_selection = { path = "../librustc_trait_selection" }
diff --git a/src/librustc_middle/Cargo.toml b/src/librustc_middle/Cargo.toml
index dd322b9da952b..8e27e03ea4ffe 100644
--- a/src/librustc_middle/Cargo.toml
+++ b/src/librustc_middle/Cargo.toml
@@ -12,7 +12,6 @@ doctest = false
 [dependencies]
 arena = { path = "../libarena" }
 bitflags = "1.2.1"
-jobserver = "0.1"
 scoped-tls = "1.0"
 log = { version = "0.4", features = ["release_max_level_info", "std"] }
 rustc-rayon = "0.3.0"
@@ -32,7 +31,6 @@ rustc_serialize = { path = "../libserialize", package = "serialize" }
 rustc_ast = { path = "../librustc_ast" }
 rustc_span = { path = "../librustc_span" }
 backtrace = "0.3.40"
-parking_lot = "0.10"
 byteorder = { version = "1.3" }
 smallvec = { version = "1.0", features = ["union", "may_dangle"] }
 measureme = "0.7.1"
diff --git a/src/librustc_mir/Cargo.toml b/src/librustc_mir/Cargo.toml
index f9b195e92eb9b..d922a83232901 100644
--- a/src/librustc_mir/Cargo.toml
+++ b/src/librustc_mir/Cargo.toml
@@ -17,7 +17,6 @@ log = "0.4"
 log_settings = "0.1.1"
 polonius-engine = "0.12.0"
 rustc_middle = { path = "../librustc_middle" }
-rustc_ast_pretty = { path = "../librustc_ast_pretty" }
 rustc_attr = { path = "../librustc_attr" }
 rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_errors = { path = "../librustc_errors" }
diff --git a/src/librustc_parse/Cargo.toml b/src/librustc_parse/Cargo.toml
index a73d30e860b4e..7164c67880863 100644
--- a/src/librustc_parse/Cargo.toml
+++ b/src/librustc_parse/Cargo.toml
@@ -17,7 +17,6 @@ rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_feature = { path = "../librustc_feature" }
 rustc_lexer = { path = "../librustc_lexer" }
 rustc_errors = { path = "../librustc_errors" }
-smallvec = { version = "1.0", features = ["union", "may_dangle"] }
 rustc_session = { path = "../librustc_session" }
 rustc_span = { path = "../librustc_span" }
 rustc_ast = { path = "../librustc_ast" }
diff --git a/src/librustc_passes/Cargo.toml b/src/librustc_passes/Cargo.toml
index 0ffc8170b504c..69048cbf24a30 100644
--- a/src/librustc_passes/Cargo.toml
+++ b/src/librustc_passes/Cargo.toml
@@ -14,10 +14,8 @@ rustc_middle = { path = "../librustc_middle" }
 rustc_attr = { path = "../librustc_attr" }
 rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_errors = { path = "../librustc_errors" }
-rustc_feature = { path = "../librustc_feature" }
 rustc_hir = { path = "../librustc_hir" }
 rustc_index = { path = "../librustc_index" }
-rustc_infer = { path = "../librustc_infer" }
 rustc_session = { path = "../librustc_session" }
 rustc_target = { path = "../librustc_target" }
 rustc_ast = { path = "../librustc_ast" }
diff --git a/src/librustc_query_system/Cargo.toml b/src/librustc_query_system/Cargo.toml
index 7520da1f32bcd..6629d841fc8bb 100644
--- a/src/librustc_query_system/Cargo.toml
+++ b/src/librustc_query_system/Cargo.toml
@@ -15,7 +15,6 @@ rustc-rayon-core = "0.3.0"
 rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_errors = { path = "../librustc_errors" }
 rustc_index = { path = "../librustc_index" }
-rustc_macros = { path = "../librustc_macros" }
 rustc_serialize = { path = "../libserialize", package = "serialize" }
 rustc_span = { path = "../librustc_span" }
 parking_lot = "0.10"
diff --git a/src/librustc_traits/Cargo.toml b/src/librustc_traits/Cargo.toml
index 432004c104938..839558f38fddd 100644
--- a/src/librustc_traits/Cargo.toml
+++ b/src/librustc_traits/Cargo.toml
@@ -13,8 +13,6 @@ log = { version = "0.4" }
 rustc_middle = { path = "../librustc_middle" }
 rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_hir = { path = "../librustc_hir" }
-rustc_macros = { path = "../librustc_macros" }
-rustc_target = { path = "../librustc_target" }
 rustc_ast = { path = "../librustc_ast" }
 rustc_span = { path = "../librustc_span" }
 smallvec = { version = "1.0", features = ["union", "may_dangle"] }