diff --git a/browser/config/tooltool-manifests/linux32/releng.manifest b/browser/config/tooltool-manifests/linux32/releng.manifest
index 9bf4aad7f53e5..47465cfa08522 100644
--- a/browser/config/tooltool-manifests/linux32/releng.manifest
+++ b/browser/config/tooltool-manifests/linux32/releng.manifest
@@ -11,7 +11,6 @@
 "digest": "91567ce8e2bb8ab0ebc60c31e90731d88a1ea889fb71bcf55c735746a60fa7610b7e040ea3d8f727b6f692ae3ee703d6f3b30cdbd76fdf5617f77d9c38aa20ed",
 "algorithm": "sha512",
 "filename": "gtk3.tar.xz",
-"setup": "setup.sh",
 "unpack": true
 },
 {
diff --git a/browser/config/tooltool-manifests/linux64/clang.manifest b/browser/config/tooltool-manifests/linux64/clang.manifest
index f804ab75c4cfd..31d6ec3d159db 100644
--- a/browser/config/tooltool-manifests/linux64/clang.manifest
+++ b/browser/config/tooltool-manifests/linux64/clang.manifest
@@ -14,7 +14,6 @@
 "digest": "6105d6432943141cffb40020dc5ba3a793650bdeb3af9bd5e56d3796c5f03df9962a73e521646cd71fbfb5e266c1e74716ad722fb6055589dfb7d35175bca89e",
 "algorithm": "sha512",
 "filename": "gtk3.tar.xz",
-"setup": "setup.sh",
 "unpack": true
 }
 ]
diff --git a/browser/config/tooltool-manifests/linux64/releng.manifest b/browser/config/tooltool-manifests/linux64/releng.manifest
index 83180f42fe664..bb7b72d7cd884 100644
--- a/browser/config/tooltool-manifests/linux64/releng.manifest
+++ b/browser/config/tooltool-manifests/linux64/releng.manifest
@@ -11,7 +11,6 @@
 "digest": "6105d6432943141cffb40020dc5ba3a793650bdeb3af9bd5e56d3796c5f03df9962a73e521646cd71fbfb5e266c1e74716ad722fb6055589dfb7d35175bca89e",
 "algorithm": "sha512",
 "filename": "gtk3.tar.xz",
-"setup": "setup.sh",
 "unpack": true
 },
 {
diff --git a/browser/config/tooltool-manifests/linux64/tsan.manifest b/browser/config/tooltool-manifests/linux64/tsan.manifest
index 1dfe9c0ba969b..4bb5c3fd37b06 100644
--- a/browser/config/tooltool-manifests/linux64/tsan.manifest
+++ b/browser/config/tooltool-manifests/linux64/tsan.manifest
@@ -14,7 +14,6 @@
 "digest": "6105d6432943141cffb40020dc5ba3a793650bdeb3af9bd5e56d3796c5f03df9962a73e521646cd71fbfb5e266c1e74716ad722fb6055589dfb7d35175bca89e",
 "algorithm": "sha512",
 "filename": "gtk3.tar.xz",
-"setup": "setup.sh",
 "unpack": true
 }
 ]
diff --git a/js/src/devtools/rootAnalysis/build/gcc.manifest b/js/src/devtools/rootAnalysis/build/gcc.manifest
index 83274df282e95..684f5dd3f780b 100644
--- a/js/src/devtools/rootAnalysis/build/gcc.manifest
+++ b/js/src/devtools/rootAnalysis/build/gcc.manifest
@@ -14,7 +14,6 @@
 "digest": "6105d6432943141cffb40020dc5ba3a793650bdeb3af9bd5e56d3796c5f03df9962a73e521646cd71fbfb5e266c1e74716ad722fb6055589dfb7d35175bca89e",
 "algorithm": "sha512",
 "filename": "gtk3.tar.xz",
-"setup": "setup.sh",
 "unpack": true
 }
 ]