diff --git a/src/bootstrap/src/core/builder/tests.rs b/src/bootstrap/src/core/builder/tests.rs
index 0f977640559..178df633cec 100644
--- a/src/bootstrap/src/core/builder/tests.rs
+++ b/src/bootstrap/src/core/builder/tests.rs
@@ -599,7 +599,6 @@ mod dist {
             pass: None,
             run: None,
             only_modified: false,
-            skip: vec![],
             extra_checks: None,
         };
 
@@ -664,7 +663,6 @@ mod dist {
             no_fail_fast: false,
             doc: true,
             no_doc: false,
-            skip: vec![],
             bless: false,
             force_rerun: false,
             compare_mode: None,
diff --git a/src/bootstrap/src/core/config/flags.rs b/src/bootstrap/src/core/config/flags.rs
index 7262b785ee0..a66f743a1c5 100644
--- a/src/bootstrap/src/core/config/flags.rs
+++ b/src/bootstrap/src/core/config/flags.rs
@@ -339,9 +339,6 @@ pub enum Subcommand {
         #[arg(long)]
         /// run all tests regardless of failure
         no_fail_fast: bool,
-        #[arg(long, value_name = "SUBSTRING")]
-        /// skips tests matching SUBSTRING, if supported by test tool. May be passed multiple times
-        skip: Vec<PathBuf>,
         #[arg(long, value_name = "ARGS", allow_hyphen_values(true))]
         /// extra arguments to be passed for the test tool being used
         /// (e.g. libtest, compiletest or rustdoc)
diff --git a/src/etc/completions/x.py.fish b/src/etc/completions/x.py.fish
index 9fc95fd09ba..c95516494ae 100644
--- a/src/etc/completions/x.py.fish
+++ b/src/etc/completions/x.py.fish
@@ -261,7 +261,6 @@ complete -c x.py -n "__fish_seen_subcommand_from doc" -l llvm-profile-generate -
 complete -c x.py -n "__fish_seen_subcommand_from doc" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_seen_subcommand_from doc" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
 complete -c x.py -n "__fish_seen_subcommand_from doc" -s h -l help -d 'Print help (see more with \'--help\')'
-complete -c x.py -n "__fish_seen_subcommand_from test" -l skip -d 'skips tests matching SUBSTRING, if supported by test tool. May be passed multiple times' -r -F
 complete -c x.py -n "__fish_seen_subcommand_from test" -l test-args -d 'extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)' -r
 complete -c x.py -n "__fish_seen_subcommand_from test" -l rustc-args -d 'extra options to pass the compiler when running tests' -r
 complete -c x.py -n "__fish_seen_subcommand_from test" -l extra-checks -d 'comma-separated list of other files types to check (accepts py, py:lint, py:fmt, shell)' -r
@@ -274,6 +273,7 @@ complete -c x.py -n "__fish_seen_subcommand_from test" -l build -d 'build target
 complete -c x.py -n "__fish_seen_subcommand_from test" -l host -d 'host targets to build' -r -f
 complete -c x.py -n "__fish_seen_subcommand_from test" -l target -d 'target targets to build' -r -f
 complete -c x.py -n "__fish_seen_subcommand_from test" -l exclude -d 'build paths to exclude' -r -F
+complete -c x.py -n "__fish_seen_subcommand_from test" -l skip -d 'build paths to skip' -r -F
 complete -c x.py -n "__fish_seen_subcommand_from test" -l rustc-error-format -r -f
 complete -c x.py -n "__fish_seen_subcommand_from test" -l on-fail -d 'command to run on failure' -r -f -a "(__fish_complete_command)"
 complete -c x.py -n "__fish_seen_subcommand_from test" -l stage -d 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)' -r -f
diff --git a/src/etc/completions/x.py.ps1 b/src/etc/completions/x.py.ps1
index 6359b7ff086..8e505afaf75 100644
--- a/src/etc/completions/x.py.ps1
+++ b/src/etc/completions/x.py.ps1
@@ -333,7 +333,6 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             break
         }
         'x.py;test' {
-            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'skips tests matching SUBSTRING, if supported by test tool. May be passed multiple times')
             [CompletionResult]::new('--test-args', 'test-args', [CompletionResultType]::ParameterName, 'extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)')
             [CompletionResult]::new('--rustc-args', 'rustc-args', [CompletionResultType]::ParameterName, 'extra options to pass the compiler when running tests')
             [CompletionResult]::new('--extra-checks', 'extra-checks', [CompletionResultType]::ParameterName, 'comma-separated list of other files types to check (accepts py, py:lint, py:fmt, shell)')
@@ -346,6 +345,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--host', 'host', [CompletionResultType]::ParameterName, 'host targets to build')
             [CompletionResult]::new('--target', 'target', [CompletionResultType]::ParameterName, 'target targets to build')
             [CompletionResult]::new('--exclude', 'exclude', [CompletionResultType]::ParameterName, 'build paths to exclude')
+            [CompletionResult]::new('--skip', 'skip', [CompletionResultType]::ParameterName, 'build paths to skip')
             [CompletionResult]::new('--rustc-error-format', 'rustc-error-format', [CompletionResultType]::ParameterName, 'rustc-error-format')
             [CompletionResult]::new('--on-fail', 'on-fail', [CompletionResultType]::ParameterName, 'command to run on failure')
             [CompletionResult]::new('--stage', 'stage', [CompletionResultType]::ParameterName, 'stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)')
diff --git a/src/etc/completions/x.py.sh b/src/etc/completions/x.py.sh
index e1436dcde67..742f61f1622 100644
--- a/src/etc/completions/x.py.sh
+++ b/src/etc/completions/x.py.sh
@@ -1625,16 +1625,12 @@ _x.py() {
             return 0
             ;;
         x.py__test)
-            opts="-v -i -j -h --no-fail-fast --skip --test-args --rustc-args --no-doc --doc --bless --extra-checks --force-rerun --only-modified --compare-mode --pass --run --rustfix-coverage --verbose --incremental --config --build-dir --build --host --target --exclude --include-default-paths --rustc-error-format --on-fail --dry-run --dump-bootstrap-shims --stage --keep-stage --keep-stage-std --src --jobs --warnings --error-format --json-output --color --bypass-bootstrap-lock --llvm-skip-rebuild --rust-profile-generate --rust-profile-use --llvm-profile-use --llvm-profile-generate --enable-bolt-settings --skip-stage0-validation --reproducible-artifact --set --help [PATHS]... [ARGS]..."
+            opts="-v -i -j -h --no-fail-fast --test-args --rustc-args --no-doc --doc --bless --extra-checks --force-rerun --only-modified --compare-mode --pass --run --rustfix-coverage --verbose --incremental --config --build-dir --build --host --target --exclude --skip --include-default-paths --rustc-error-format --on-fail --dry-run --dump-bootstrap-shims --stage --keep-stage --keep-stage-std --src --jobs --warnings --error-format --json-output --color --bypass-bootstrap-lock --llvm-skip-rebuild --rust-profile-generate --rust-profile-use --llvm-profile-use --llvm-profile-generate --enable-bolt-settings --skip-stage0-validation --reproducible-artifact --set --help [PATHS]... [ARGS]..."
             if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
                 COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                 return 0
             fi
             case "${prev}" in
-                --skip)
-                    COMPREPLY=($(compgen -f "${cur}"))
-                    return 0
-                    ;;
                 --test-args)
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
@@ -1683,6 +1679,10 @@ _x.py() {
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
                     ;;
+                --skip)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
                 --rustc-error-format)
                     COMPREPLY=("${cur}")
                     return 0
diff --git a/src/etc/completions/x.py.zsh b/src/etc/completions/x.py.zsh
index ea7e4ba6758..eec610629a1 100644
--- a/src/etc/completions/x.py.zsh
+++ b/src/etc/completions/x.py.zsh
@@ -335,7 +335,6 @@ _arguments "${_arguments_options[@]}" \
 ;;
 (test)
 _arguments "${_arguments_options[@]}" \
-'*--skip=[skips tests matching SUBSTRING, if supported by test tool. May be passed multiple times]:SUBSTRING:_files' \
 '*--test-args=[extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)]:ARGS: ' \
 '*--rustc-args=[extra options to pass the compiler when running tests]:ARGS: ' \
 '--extra-checks=[comma-separated list of other files types to check (accepts py, py\:lint, py\:fmt, shell)]:EXTRA_CHECKS: ' \
@@ -348,6 +347,7 @@ _arguments "${_arguments_options[@]}" \
 '--host=[host targets to build]:HOST:( )' \
 '--target=[target targets to build]:TARGET:( )' \
 '*--exclude=[build paths to exclude]:PATH:_files' \
+'*--skip=[build paths to skip]:PATH:_files' \
 '--rustc-error-format=[]:RUSTC_ERROR_FORMAT:( )' \
 '--on-fail=[command to run on failure]:CMD:_cmdstring' \
 '--stage=[stage to build (indicates compiler to use/test, e.g., stage 0 uses the bootstrap compiler, stage 1 the stage 0 rustc artifacts, etc.)]:N:( )' \