diff --git a/projects/packages/assets/.gitattributes b/projects/packages/assets/.gitattributes
index 87d9fdf9c6b21..84cb90e530515 100644
--- a/projects/packages/assets/.gitattributes
+++ b/projects/packages/assets/.gitattributes
@@ -1,14 +1,15 @@
 # Files not needed to be distributed in the package.
-.gitattributes   export-ignore
-.github/         export-ignore
-phpunit.xml.dist export-ignore
-tests/           export-ignore
+.gitattributes    export-ignore
+.github/          export-ignore
+phpunit.xml.dist  export-ignore
+tests/            export-ignore
+webpack.config.js export-ignore
 
 # Files not needed in the production build.
-.gitignore       production-exclude
-.phpcs.dir.xml   production-exclude
-.phpcsignore     production-exclude
-/changelog/**    production-exclude
+.gitignore        production-exclude
+.phpcs.dir.xml    production-exclude
+.phpcsignore      production-exclude
+/changelog/**     production-exclude
 
 # Files to include in the production build.
-/build/**		 production-include
+/build/**         production-include
diff --git a/projects/packages/assets/changelog/update-ignored-files-packages b/projects/packages/assets/changelog/update-ignored-files-packages
new file mode 100644
index 0000000000000..ee07b47072e12
--- /dev/null
+++ b/projects/packages/assets/changelog/update-ignored-files-packages
@@ -0,0 +1,4 @@
+Significance: patch
+Type: changed
+
+Build: remove unneeded files from production build.
diff --git a/projects/packages/jitm/.gitattributes b/projects/packages/jitm/.gitattributes
index b25e37c5f25fc..cc749a05d3703 100644
--- a/projects/packages/jitm/.gitattributes
+++ b/projects/packages/jitm/.gitattributes
@@ -12,4 +12,5 @@ webpack.config.js export-ignore
 .gitignore        production-exclude
 .phpcs.dir.xml    production-exclude
 phpunit.xml.dist  production-exclude
+.eslintignore     production-exclude
 tests/**          production-exclude
diff --git a/projects/packages/jitm/changelog/update-ignored-files-packages b/projects/packages/jitm/changelog/update-ignored-files-packages
new file mode 100644
index 0000000000000..ee07b47072e12
--- /dev/null
+++ b/projects/packages/jitm/changelog/update-ignored-files-packages
@@ -0,0 +1,4 @@
+Significance: patch
+Type: changed
+
+Build: remove unneeded files from production build.
diff --git a/projects/packages/my-jetpack/.gitattributes b/projects/packages/my-jetpack/.gitattributes
index c81ce254119dd..b299fb7aee346 100644
--- a/projects/packages/my-jetpack/.gitattributes
+++ b/projects/packages/my-jetpack/.gitattributes
@@ -10,6 +10,7 @@ package.json      export-ignore
 # Remember to end all directories with `/**` to properly tag every file.
 .gitignore          production-exclude
 .phpcs.dir.xml      production-exclude
+jest.setup.js       production-exclude
 _inc/**             production-exclude
 changelog/**        production-exclude
 phpunit.xml.dist    production-exclude
diff --git a/projects/packages/my-jetpack/changelog/update-ignored-files-packages b/projects/packages/my-jetpack/changelog/update-ignored-files-packages
new file mode 100644
index 0000000000000..ee07b47072e12
--- /dev/null
+++ b/projects/packages/my-jetpack/changelog/update-ignored-files-packages
@@ -0,0 +1,4 @@
+Significance: patch
+Type: changed
+
+Build: remove unneeded files from production build.
diff --git a/projects/packages/post-list/.gitattributes b/projects/packages/post-list/.gitattributes
index aa7a3dc0b8739..ce049221eed22 100644
--- a/projects/packages/post-list/.gitattributes
+++ b/projects/packages/post-list/.gitattributes
@@ -4,6 +4,7 @@
 package.json      export-ignore
 webpack.config.js export-ignore
 gulpfile.babel.js export-ignore
+phpunit.xml.dist  export-ignore
 .babelrc          export-ignore
 
 # Files to include in the mirror repo
diff --git a/projects/packages/post-list/changelog/update-ignored-files-packages b/projects/packages/post-list/changelog/update-ignored-files-packages
new file mode 100644
index 0000000000000..ee07b47072e12
--- /dev/null
+++ b/projects/packages/post-list/changelog/update-ignored-files-packages
@@ -0,0 +1,4 @@
+Significance: patch
+Type: changed
+
+Build: remove unneeded files from production build.
diff --git a/projects/packages/search/.gitattributes b/projects/packages/search/.gitattributes
index 16aad79ba0cd9..c0ff5ae6871b1 100644
--- a/projects/packages/search/.gitattributes
+++ b/projects/packages/search/.gitattributes
@@ -10,6 +10,8 @@ package.json                                             export-ignore
 /changelog/**                                            production-exclude
 /.gitignore                                              production-exclude
 /.eslintrc.js                                            production-exclude
+/.eslintignore                                           production-exclude
+/.size-limit.js                                          production-exclude
 /babel.config*                                           production-exclude
 /jest.config.js                                          production-exclude
 /postcss.config.js                                       production-exclude
@@ -19,5 +21,7 @@ package.json                                             export-ignore
 /src/**/test/**                                          production-exclude
 /src/**/*.scss                                           production-exclude
 # JS scripts to integrate with customizer and wigets might need to be explicitly included.
-/src/**/*.[jt]s?(x)                                      production-exclude
+/src/**/*.js                                             production-exclude
+/src/**/*.jsx                                            production-exclude
+/src/**/*.ts                                             production-exclude
 .phpcs.dir.xml                                           production-exclude
diff --git a/projects/packages/search/changelog/update-ignored-files-packages b/projects/packages/search/changelog/update-ignored-files-packages
new file mode 100644
index 0000000000000..ee07b47072e12
--- /dev/null
+++ b/projects/packages/search/changelog/update-ignored-files-packages
@@ -0,0 +1,4 @@
+Significance: patch
+Type: changed
+
+Build: remove unneeded files from production build.
diff --git a/projects/packages/search/package.json b/projects/packages/search/package.json
index 2c3fd4a56da0d..24fcf18abbaa9 100644
--- a/projects/packages/search/package.json
+++ b/projects/packages/search/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "jetpack-search",
-	"version": "0.5.3",
+	"version": "0.5.4-alpha",
 	"description": "Package for Jetpack Search products",
 	"main": "main.js",
 	"directories": {
diff --git a/projects/plugins/jetpack/.gitattributes b/projects/plugins/jetpack/.gitattributes
index 6ed305c7dfdc2..34d754ec559ea 100644
--- a/projects/plugins/jetpack/.gitattributes
+++ b/projects/plugins/jetpack/.gitattributes
@@ -20,6 +20,7 @@
 # Files to exclude from Automattic/jetpack-production.
 # Remember to end all directories with `/**` to properly tag every file.
 .eslintrc.js                                             production-exclude
+.eslintignore                                            production-exclude
 /.gitattributes                                          production-exclude
 /.gitignore                                              production-exclude
 /.phpcs.dir.xml                                          production-exclude
diff --git a/projects/plugins/jetpack/changelog/update-ignored-files-packages b/projects/plugins/jetpack/changelog/update-ignored-files-packages
new file mode 100644
index 0000000000000..9831f15672b35
--- /dev/null
+++ b/projects/plugins/jetpack/changelog/update-ignored-files-packages
@@ -0,0 +1,4 @@
+Significance: patch
+Type: other
+
+Build: remove unneeded files from production build.