diff --git a/.config/hakari.toml b/.config/hakari.toml
index 49860da13701f..ea68205722626 100644
--- a/.config/hakari.toml
+++ b/.config/hakari.toml
@@ -6,3 +6,8 @@ platforms = [
     "x86_64-apple-darwin",
 ]
 exact-versions = true
+
+[final-excludes]
+third-party = [
+    { "name" = "tikv-jemalloc-sys" }
+]
diff --git a/Cargo.lock b/Cargo.lock
index 68b80412eb322..438839e6bc616 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4029,6 +4029,14 @@ dependencies = [
  "workspace-hack",
 ]
 
+[[package]]
+name = "mz-alloc-default"
+version = "0.0.0"
+dependencies = [
+ "mz-alloc",
+ "workspace-hack",
+]
+
 [[package]]
 name = "mz-arrow-util"
 version = "0.1.0"
@@ -4409,6 +4417,7 @@ dependencies = [
  "fail",
  "futures",
  "mz-alloc",
+ "mz-alloc-default",
  "mz-build-info",
  "mz-cloud-resources",
  "mz-cluster",
@@ -4672,6 +4681,7 @@ dependencies = [
  "mz-adapter",
  "mz-adapter-types",
  "mz-alloc",
+ "mz-alloc-default",
  "mz-aws-secrets-controller",
  "mz-build-info",
  "mz-catalog",
@@ -10625,7 +10635,6 @@ dependencies = [
  "syn 1.0.107",
  "syn 2.0.39",
  "textwrap",
- "tikv-jemalloc-sys",
  "time",
  "time-macros",
  "tokio",
diff --git a/Cargo.toml b/Cargo.toml
index 869d56404dcac..b379bd2c09f02 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,6 +3,7 @@ members = [
     "src/adapter",
     "src/adapter-types",
     "src/alloc",
+    "src/alloc-default",
     "src/arrow-util",
     "src/audit-log",
     "src/avro",
diff --git a/ci/test/lint-deps.sh b/ci/test/lint-deps.sh
index 85064519b43cf..aa20fd754701d 100755
--- a/ci/test/lint-deps.sh
+++ b/ci/test/lint-deps.sh
@@ -24,19 +24,27 @@ set -euo pipefail
 
 . misc/shlib/shlib.bash
 
-# Explicitly name targets to check dependencies. We support Apple on ARM64 and x86_64 and Linux on x86_64.
+# The crates whose dependency graphs we want to lint.
+entrypoints=(
+    mz-clusterd
+    mz-environmentd
+)
+
+# Explicitly name targets to check dependencies. We support Apple and Linux on ARM64 and x86_64.
 targets=(
     aarch64-apple-darwin
     x86_64-apple-darwin
+    aarch64-unknown-linux-gnu
     x86_64-unknown-linux-gnu
 )
 
 # List of crates to include in the dependency lint, including an explanation why they're listed.
 crates=(
     # Checks that the default allocator is jemalloc on supported platforms, but can
-    # be disabled using --no-default-features
+    # be disabled using --no-default-features or explicitly enabled with --features=jemalloc
     tikv_jemalloc_ctl
     tikv_jemallocator
+    tikv_jemalloc_sys
 )
 
 rewrite=false
@@ -53,7 +61,10 @@ function deps() {
     # output if there is no dependency to any of the specified packages.
     for crate in "${crates[@]}"; do
         # Gather data for the current target, reverse lines, find the dependency hierarchy to the root, reverse lines.
-        output=$(cargo tree --workspace --format ':{lib}:{f}' \
+        # shellcheck disable=SC2046
+        output=$(cargo tree \
+            $(printf -- "-p %s " "${entrypoints[@]}") \
+            --format ':{lib}:{f}' \
             --prefix depth \
             --edges normal,build \
             --locked \
@@ -76,9 +87,11 @@ for target in "${targets[@]}"; do
     if $rewrite; then
         deps > "$resources/$target-default"
         deps --no-default-features > "$resources/$target-no-default-features"
+        deps --features jemalloc > "$resources/$target-jemalloc"
     else
         try diff "$resources/$target-default" <(deps)
         try diff "$resources/$target-no-default-features" <(deps --no-default-features)
+        try diff "$resources/$target-jemalloc" <(deps --features jemalloc)
     fi
 done
 
diff --git a/ci/test/lint-deps/aarch64-apple-darwin-jemalloc b/ci/test/lint-deps/aarch64-apple-darwin-jemalloc
new file mode 100644
index 0000000000000..ff3d18f399346
--- /dev/null
+++ b/ci/test/lint-deps/aarch64-apple-darwin-jemalloc
@@ -0,0 +1,18 @@
+# generated by ci/test/lint-deps.sh -- see ci/test/lint-deps/README.md for details
+tikv_jemalloc_ctl
+0::default,jemalloc,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:mz_prof:jemalloc,tikv-jemalloc-ctl
+3:tikv_jemalloc_ctl:default,use_std
+tikv_jemallocator
+0::default,jemalloc,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:tikv_jemallocator:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+tikv_jemalloc_sys
+0::default,jemalloc,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:mz_prof:jemalloc,tikv-jemalloc-ctl
+3:tikv_jemalloc_ctl:default,use_std
+4:tikv_jemalloc_sys:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+2:tikv_jemallocator:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+3:tikv_jemalloc_sys:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms (*)
diff --git a/ci/test/lint-deps/aarch64-unknown-linux-gnu-default b/ci/test/lint-deps/aarch64-unknown-linux-gnu-default
new file mode 100644
index 0000000000000..a10dbbb8f6e69
--- /dev/null
+++ b/ci/test/lint-deps/aarch64-unknown-linux-gnu-default
@@ -0,0 +1,18 @@
+# generated by ci/test/lint-deps.sh -- see ci/test/lint-deps/README.md for details
+tikv_jemalloc_ctl
+0::default,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:mz_prof:jemalloc,tikv-jemalloc-ctl
+3:tikv_jemalloc_ctl:default,use_std
+tikv_jemallocator
+0::default,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:tikv_jemallocator:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+tikv_jemalloc_sys
+0::default,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:mz_prof:jemalloc,tikv-jemalloc-ctl
+3:tikv_jemalloc_ctl:default,use_std
+4:tikv_jemalloc_sys:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+2:tikv_jemallocator:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+3:tikv_jemalloc_sys:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms (*)
diff --git a/ci/test/lint-deps/aarch64-unknown-linux-gnu-jemalloc b/ci/test/lint-deps/aarch64-unknown-linux-gnu-jemalloc
new file mode 100644
index 0000000000000..ff3d18f399346
--- /dev/null
+++ b/ci/test/lint-deps/aarch64-unknown-linux-gnu-jemalloc
@@ -0,0 +1,18 @@
+# generated by ci/test/lint-deps.sh -- see ci/test/lint-deps/README.md for details
+tikv_jemalloc_ctl
+0::default,jemalloc,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:mz_prof:jemalloc,tikv-jemalloc-ctl
+3:tikv_jemalloc_ctl:default,use_std
+tikv_jemallocator
+0::default,jemalloc,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:tikv_jemallocator:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+tikv_jemalloc_sys
+0::default,jemalloc,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:mz_prof:jemalloc,tikv-jemalloc-ctl
+3:tikv_jemalloc_ctl:default,use_std
+4:tikv_jemalloc_sys:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+2:tikv_jemallocator:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+3:tikv_jemalloc_sys:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms (*)
diff --git a/ci/test/lint-deps/aarch64-unknown-linux-gnu-no-default-features b/ci/test/lint-deps/aarch64-unknown-linux-gnu-no-default-features
new file mode 100644
index 0000000000000..3d4efc3b7c8de
--- /dev/null
+++ b/ci/test/lint-deps/aarch64-unknown-linux-gnu-no-default-features
@@ -0,0 +1 @@
+# generated by ci/test/lint-deps.sh -- see ci/test/lint-deps/README.md for details
diff --git a/ci/test/lint-deps/x86_64-apple-darwin-jemalloc b/ci/test/lint-deps/x86_64-apple-darwin-jemalloc
new file mode 100644
index 0000000000000..ff3d18f399346
--- /dev/null
+++ b/ci/test/lint-deps/x86_64-apple-darwin-jemalloc
@@ -0,0 +1,18 @@
+# generated by ci/test/lint-deps.sh -- see ci/test/lint-deps/README.md for details
+tikv_jemalloc_ctl
+0::default,jemalloc,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:mz_prof:jemalloc,tikv-jemalloc-ctl
+3:tikv_jemalloc_ctl:default,use_std
+tikv_jemallocator
+0::default,jemalloc,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:tikv_jemallocator:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+tikv_jemalloc_sys
+0::default,jemalloc,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:mz_prof:jemalloc,tikv-jemalloc-ctl
+3:tikv_jemalloc_ctl:default,use_std
+4:tikv_jemalloc_sys:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+2:tikv_jemallocator:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+3:tikv_jemalloc_sys:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms (*)
diff --git a/ci/test/lint-deps/x86_64-unknown-linux-gnu-default b/ci/test/lint-deps/x86_64-unknown-linux-gnu-default
index 5ff4a82486f7e..a10dbbb8f6e69 100644
--- a/ci/test/lint-deps/x86_64-unknown-linux-gnu-default
+++ b/ci/test/lint-deps/x86_64-unknown-linux-gnu-default
@@ -1,8 +1,18 @@
 # generated by ci/test/lint-deps.sh -- see ci/test/lint-deps/README.md for details
 tikv_jemalloc_ctl
-0:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
-1:mz_prof:default,jemalloc,tikv-jemalloc-ctl,workspace-hack
-2:tikv_jemalloc_ctl:default,use_std
+0::default,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:mz_prof:jemalloc,tikv-jemalloc-ctl
+3:tikv_jemalloc_ctl:default,use_std
 tikv_jemallocator
-0:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
-1:tikv_jemallocator:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+0::default,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:tikv_jemallocator:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+tikv_jemalloc_sys
+0::default,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:mz_prof:jemalloc,tikv-jemalloc-ctl
+3:tikv_jemalloc_ctl:default,use_std
+4:tikv_jemalloc_sys:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+2:tikv_jemallocator:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+3:tikv_jemalloc_sys:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms (*)
diff --git a/ci/test/lint-deps/x86_64-unknown-linux-gnu-jemalloc b/ci/test/lint-deps/x86_64-unknown-linux-gnu-jemalloc
new file mode 100644
index 0000000000000..ff3d18f399346
--- /dev/null
+++ b/ci/test/lint-deps/x86_64-unknown-linux-gnu-jemalloc
@@ -0,0 +1,18 @@
+# generated by ci/test/lint-deps.sh -- see ci/test/lint-deps/README.md for details
+tikv_jemalloc_ctl
+0::default,jemalloc,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:mz_prof:jemalloc,tikv-jemalloc-ctl
+3:tikv_jemalloc_ctl:default,use_std
+tikv_jemallocator
+0::default,jemalloc,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:tikv_jemallocator:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+tikv_jemalloc_sys
+0::default,jemalloc,mz-alloc-default,tokio-console
+1:mz_alloc:default,jemalloc,tikv-jemallocator,workspace-hack
+2:mz_prof:jemalloc,tikv-jemalloc-ctl
+3:tikv_jemalloc_ctl:default,use_std
+4:tikv_jemalloc_sys:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+2:tikv_jemallocator:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms
+3:tikv_jemalloc_sys:background_threads,background_threads_runtime_support,default,profiling,stats,unprefixed_malloc_on_supported_platforms (*)
diff --git a/src/alloc-default/Cargo.toml b/src/alloc-default/Cargo.toml
new file mode 100644
index 0000000000000..a3bc191326e50
--- /dev/null
+++ b/src/alloc-default/Cargo.toml
@@ -0,0 +1,37 @@
+[package]
+name = "mz-alloc-default"
+description = "Activates the best default global memory allocator for the platform."
+version = "0.0.0"
+edition.workspace = true
+rust-version.workspace = true
+publish = false
+
+[lints]
+workspace = true
+
+[dependencies]
+mz-alloc = { path = "../alloc", default-features = false }
+workspace-hack = { version = "0.0.0", path = "../workspace-hack", optional = true }
+
+# We use jemalloc by default on non-macOS platforms, as benchmarks indicated it
+# outperforms the system allocator, while also providing heap profiles.
+#
+# However, on macOS, we default to the system allocator, as jemalloc is not well
+# supported on macOS [0][1][2]. The issues present as runaway latency on load
+# test workloads that are comfortably handled by the macOS system allocator.
+# Consider re-evaluating if jemalloc's macOS support improves.
+#
+# [0]: https://github.com/jemalloc/jemalloc/issues/26
+# [1]: https://github.com/jemalloc/jemalloc/issues/843
+# [2]: https://github.com/jemalloc/jemalloc/issues/1467
+#
+# Furthermore, as of August 2022, some engineers are using profiling tools, e.g.
+# `heaptrack`, that only work with the system allocator on macOS.
+[target.'cfg(not(target_os = "macos"))'.dependencies]
+mz-alloc = { path = "../alloc", features = ["jemalloc"] }
+
+[features]
+default = ["workspace-hack"]
+
+[package.metadata.cargo-udeps.ignore]
+normal = ["workspace-hack", "mz-alloc"]
diff --git a/src/alloc-default/src/lib.rs b/src/alloc-default/src/lib.rs
new file mode 100644
index 0000000000000..13bca61f99949
--- /dev/null
+++ b/src/alloc-default/src/lib.rs
@@ -0,0 +1,10 @@
+// Copyright Materialize, Inc. and contributors. All rights reserved.
+//
+// Use of this software is governed by the Business Source License
+// included in the LICENSE file.
+//
+// As of the Change Date specified in that file, in accordance with
+// the Business Source License, use of this software will be governed
+// by the Apache License, Version 2.0.
+
+//! Activates the best default global memory allocator for the platform.
diff --git a/src/alloc/Cargo.toml b/src/alloc/Cargo.toml
index 2ecdbb7c7493f..9da294058ef06 100644
--- a/src/alloc/Cargo.toml
+++ b/src/alloc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mz-alloc"
-description = "Activates the best memory allocator for the target platform."
+description = "Chooses a global memory allocator based on Cargo features."
 version = "0.0.0"
 edition.workspace = true
 rust-version.workspace = true
@@ -11,20 +11,6 @@ workspace = true
 
 [dependencies]
 mz-ore = { path = "../ore", default-features = false }
-workspace-hack = { version = "0.0.0", path = "../workspace-hack", optional = true }
-
-# Disable jemalloc on macOS, as it is not well supported [0][1][2]. The issues
-# present as runaway latency on load test workloads that are comfortably handled
-# by the macOS system allocator. Consider re-evaluating if jemalloc's macOS
-# support improves.
-#
-# [0]: https://github.com/jemalloc/jemalloc/issues/26
-# [1]: https://github.com/jemalloc/jemalloc/issues/843
-# [2]: https://github.com/jemalloc/jemalloc/issues/1467
-#
-# Furthermore, as of August 2022, some engineers are using profiling tools, e.g.
-# `heaptrack`, that only work with the system allocator.
-[target.'cfg(not(target_os = "macos"))'.dependencies]
 mz-prof = { path = "../prof", default-features = false }
 mz-prof-http = { path = "../prof-http", default-features = false }
 # According to jemalloc developers, `background_threads` should always be
@@ -34,16 +20,16 @@ mz-prof-http = { path = "../prof-http", default-features = false }
 #
 # See: https://github.com/jemalloc/jemalloc/issues/956#issuecomment-316224733
 tikv-jemallocator = { version = "0.5.0", features = ["profiling", "stats", "unprefixed_malloc_on_supported_platforms", "background_threads"], optional = true }
+workspace-hack = { version = "0.0.0", path = "../workspace-hack", optional = true }
 
 [features]
 default = ["workspace-hack"]
-# Whether to enable the use of jemalloc on platforms that support it.
-jemalloc = ["tikv-jemallocator", "mz-prof/jemalloc", "mz-prof-http/jemalloc"]
+# Whether to use jemalloc instead of the system allocator.
+jemalloc = ["tikv-jemallocator", "mz-prof-http/jemalloc"]
 
 [package.metadata.cargo-udeps.ignore]
-# The only reason we depend on mz-prof-http
-# from this package is so that we can force its `jemalloc`
-# option to be enabled when this package's is, which
-# makes all the Materialize binaries correctly
-# serve heap profiling tools at the `/prof` endpoints.
+# The only reason we depend on mz-prof-http from this package is so that we can
+# force its `jemalloc` option to be enabled when this package's is, which makes
+# all the Materialize binaries correctly serve heap profiling tools at the
+# `/prof` endpoints.
 normal = ["workspace-hack", "mz-prof-http"]
diff --git a/src/alloc/src/lib.rs b/src/alloc/src/lib.rs
index e7ac4ee5b62a4..f9a619f712ae7 100644
--- a/src/alloc/src/lib.rs
+++ b/src/alloc/src/lib.rs
@@ -7,9 +7,11 @@
 // the Business Source License, use of this software will be governed
 // by the Apache License, Version 2.0.
 
+//! Chooses a global memory allocator based on Cargo features.
+
 use mz_ore::metrics::MetricsRegistry;
 
-#[cfg(all(not(target_os = "macos"), feature = "jemalloc", not(miri)))]
+#[cfg(all(feature = "jemalloc", not(miri)))]
 #[global_allocator]
 static ALLOC: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;
 
@@ -17,7 +19,7 @@ static ALLOC: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;
 ///
 /// What metrics are registered varies by platform. Not all platforms use
 /// allocators that support metrics.
-#[cfg(any(target_os = "macos", not(feature = "jemalloc"), miri))]
+#[cfg(any(not(feature = "jemalloc"), miri))]
 #[allow(clippy::unused_async)]
 pub async fn register_metrics_into(_: &MetricsRegistry) {
     // No-op on platforms that don't use jemalloc.
@@ -27,7 +29,7 @@ pub async fn register_metrics_into(_: &MetricsRegistry) {
 ///
 /// What metrics are registered varies by platform. Not all platforms use
 /// allocators that support metrics.
-#[cfg(all(not(target_os = "macos"), feature = "jemalloc", not(miri)))]
+#[cfg(all(feature = "jemalloc", not(miri)))]
 pub async fn register_metrics_into(registry: &MetricsRegistry) {
     mz_prof::jemalloc::JemallocMetrics::register_into(registry).await;
 }
diff --git a/src/clusterd/Cargo.toml b/src/clusterd/Cargo.toml
index 846c43b569e31..e259de4a6ee64 100644
--- a/src/clusterd/Cargo.toml
+++ b/src/clusterd/Cargo.toml
@@ -16,6 +16,7 @@ clap = { version = "3.2.24", features = ["derive", "env"] }
 fail = { version = "0.5.1", features = ["failpoints"] }
 futures = "0.3.25"
 mz-alloc = { path = "../alloc" }
+mz-alloc-default = { path = "../alloc-default", optional = true }
 mz-build-info = { path = "../build-info" }
 mz-cloud-resources = { path = "../cloud-resources" }
 mz-compute = { path = "../compute" }
@@ -42,7 +43,7 @@ tracing = "0.1.37"
 workspace-hack = { version = "0.0.0", path = "../workspace-hack" }
 
 [features]
-default = ["tokio-console", "jemalloc"]
+default = ["tokio-console", "mz-alloc-default"]
 jemalloc = ["mz-alloc/jemalloc"]
 tokio-console = ["mz-ore/tokio-console"]
 
diff --git a/src/environmentd/Cargo.toml b/src/environmentd/Cargo.toml
index 4ef420d10df76..f889e171f9319 100644
--- a/src/environmentd/Cargo.toml
+++ b/src/environmentd/Cargo.toml
@@ -41,6 +41,7 @@ once_cell = "1.16.0"
 libc = "0.2.138"
 mime = "0.3.16"
 mz-alloc = { path = "../alloc" }
+mz-alloc-default = { path = "../alloc-default", optional = true }
 mz-aws-secrets-controller = { path = "../aws-secrets-controller" }
 mz-build-info = { path = "../build-info" }
 mz-adapter = { path = "../adapter" }
@@ -159,7 +160,7 @@ cc = "1.0.78"
 mz-npm = { path = "../npm" }
 
 [features]
-default = ["tokio-console", "jemalloc"]
+default = ["tokio-console", "mz-alloc-default"]
 # When enabled, static assets for the web UI are loaded from disk on every HTTP
 # request rather than compiled into the binary. This vastly speeds up the
 # iteration cycle when developing the web UI.
diff --git a/src/prof-http/src/lib.rs b/src/prof-http/src/lib.rs
index 84e8d0ee0d584..0e97c9bdde688 100644
--- a/src/prof-http/src/lib.rs
+++ b/src/prof-http/src/lib.rs
@@ -22,7 +22,7 @@ use mz_prof::{ProfStartTime, StackProfile};
 use once_cell::sync::Lazy;
 
 cfg_if! {
-    if #[cfg(any(target_os = "macos", not(feature = "jemalloc"), miri))] {
+    if #[cfg(any(not(feature = "jemalloc"), miri))] {
         use disabled::{handle_get, handle_post, handle_get_heap};
     } else {
         use enabled::{handle_get, handle_post, handle_get_heap};
@@ -95,7 +95,7 @@ async fn time_prof<'a>(
 ) -> impl IntoResponse {
     let ctl_lock;
     cfg_if! {
-        if #[cfg(any(target_os = "macos", not(feature = "jemalloc"), miri))] {
+        if #[cfg(any(not(feature = "jemalloc"), miri))] {
             ctl_lock = ();
         } else {
             ctl_lock = if let Some(ctl) = mz_prof::jemalloc::PROF_CTL.as_ref() {
@@ -151,7 +151,7 @@ fn flamegraph(
     })
 }
 
-#[cfg(any(target_os = "macos", not(feature = "jemalloc"), miri))]
+#[cfg(any(not(feature = "jemalloc"), miri))]
 mod disabled {
     use axum::extract::{Form, Query};
     use axum::response::IntoResponse;
@@ -234,7 +234,7 @@ mod disabled {
     }
 }
 
-#[cfg(all(not(target_os = "macos"), feature = "jemalloc", not(miri)))]
+#[cfg(all(feature = "jemalloc", not(miri)))]
 mod enabled {
     use std::io::{BufReader, Read};
     use std::sync::Arc;
diff --git a/src/workspace-hack/Cargo.toml b/src/workspace-hack/Cargo.toml
index 803fb8c670abe..9c2e7e54e0a27 100644
--- a/src/workspace-hack/Cargo.toml
+++ b/src/workspace-hack/Cargo.toml
@@ -264,14 +264,12 @@ bitflags = { version = "2.4.1", default-features = false, features = ["std"] }
 native-tls = { version = "0.2.11", default-features = false, features = ["vendored"] }
 openssl-sys = { version = "0.9.90", default-features = false, features = ["vendored"] }
 ring = { version = "0.17.7", features = ["std"] }
-tikv-jemalloc-sys = { version = "0.5.2", features = ["background_threads", "profiling", "stats", "unprefixed_malloc_on_supported_platforms"] }
 
 [target.x86_64-unknown-linux-gnu.build-dependencies]
 bitflags = { version = "2.4.1", default-features = false, features = ["std"] }
 native-tls = { version = "0.2.11", default-features = false, features = ["vendored"] }
 openssl-sys = { version = "0.9.90", default-features = false, features = ["vendored"] }
 ring = { version = "0.17.7", features = ["std"] }
-tikv-jemalloc-sys = { version = "0.5.2", features = ["background_threads", "profiling", "stats", "unprefixed_malloc_on_supported_platforms"] }
 
 [target.x86_64-apple-darwin.dependencies]
 native-tls = { version = "0.2.11", default-features = false, features = ["vendored"] }