diff --git a/crates/core/src/constants.rs b/crates/core/src/constants.rs
index 0286432..36a0525 100644
--- a/crates/core/src/constants.rs
+++ b/crates/core/src/constants.rs
@@ -18,22 +18,6 @@ pub const MIN_CHUNK_SAMPLES: usize = 8000;
 /// Post-processing thresholds.
 pub const SMART_PARAGRAPH_GAP_SECS: f64 = 2.0;
 
-/// Lower bound for inference threads. Single-threaded inference is
-/// measurably worse than two on every multi-core part; we never go below
-/// 2. (Whisper Tiny is the exception where the work is so small that
-/// thread count barely matters — but the floor still costs nothing.)
-pub const MIN_INFERENCE_THREADS: usize = 2;
-
-/// Upper bound for inference threads. Both whisper.cpp and llama.cpp
-/// scaling flattens around physical core count; SMT siblings contend
-/// for shared FPU resources during heavy F16/F32 matmul, which means
-/// going past physical cores often anti-scales. Empirical evidence:
-/// whisper.cpp issue #200 (sweet spot at 7t on 8c/16t Ryzen 3700X),
-/// llama.cpp #3167 ("SMT hurts inference"). 8 is a conservative
-/// ceiling that leaves <5% on the table for big-iron desktops while
-/// keeping consumer 6c/12t laptops out of contention territory.
-pub const MAX_INFERENCE_THREADS: usize = 8;
-
 /// History limits.
 pub const HISTORY_MAX_ENTRIES: usize = 100;
 
@@ -52,38 +36,3 @@ pub const VAD_SPEECH_PAD_MS: u32 = 100;
 
 /// Model download chunk size for progress reporting.
 pub const DOWNLOAD_CHUNK_BYTES: usize = 65_536;
-
-/// Inference thread count, clamped to physical-core budget.
-///
-/// Returns the system's physical-core count, clamped to
-/// `[MIN_INFERENCE_THREADS, MAX_INFERENCE_THREADS]`. Uses physical
-/// rather than logical cores because SMT/hyperthreaded siblings
-/// contend for shared FPU resources during heavy matmul; counting
-/// them as additional workers is well-documented to anti-scale on
-/// both whisper.cpp and llama.cpp.
-///
-/// Falls back to `available_parallelism` only if the physical-core
-/// probe is unavailable (some non-Linux/non-Windows platforms or
-/// containerised environments).
-///
-/// Users can override at runtime by setting
-/// `MAGNOTIA_INFERENCE_THREADS=N` — useful for benchmarking and for
-/// users on big-iron desktops who want to push past the cap.
-pub fn inference_thread_count() -> usize {
-    if let Ok(s) = std::env::var("MAGNOTIA_INFERENCE_THREADS") {
-        if let Ok(n) = s.parse::<usize>() {
-            if n > 0 {
-                return n;
-            }
-        }
-    }
-    let physical = num_cpus::get_physical();
-    let chosen = if physical > 0 {
-        physical
-    } else {
-        std::thread::available_parallelism()
-            .map(|p| p.get())
-            .unwrap_or(MIN_INFERENCE_THREADS)
-    };
-    chosen.clamp(MIN_INFERENCE_THREADS, MAX_INFERENCE_THREADS)
-}