diff --git a/.github/workflows/c-demos.yml b/.github/workflows/c-demos.yml
index e21704a..42a517f 100644
--- a/.github/workflows/c-demos.yml
+++ b/.github/workflows/c-demos.yml
@@ -40,7 +40,7 @@ jobs:
       matrix:
         xpu: [ cpu ]
         make_file: [ "Unix Makefiles" ]
-        machine: [ rpi3-32, rpi3-64, rpi4-32, rpi4-64, rpi5-32, rpi5-64, pv-linux, pv-ios ]
+        machine: [ rpi4-32, rpi4-64, rpi5-32, rpi5-64, pv-linux, pv-ios ]
         include:
           - xpu: gpu
             machine: pv-linux
diff --git a/README.md b/README.md
index 88e5885..d035b67 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ models. picoLLM Inference Engine is:
 - Private; LLM inference runs 100% locally.
 - Cross-Platform
     - Linux (x86_64), macOS (arm64, x86_64), and Windows (x86_64)
-    - Raspberry Pi (5, 4, and 3)
+    - Raspberry Pi (5 and 4)
     - Android and iOS
     - Chrome, Safari, Edge, and Firefox
 - Runs on CPU and GPU
diff --git a/binding/python/_util.py b/binding/python/_util.py
index cbfcc1a..7c960be 100644
--- a/binding/python/_util.py
+++ b/binding/python/_util.py
@@ -36,9 +36,7 @@ def _pv_linux_machine() -> str:
     except Exception as e:
         raise RuntimeError("Failed to identify the CPU with `%s`\nCPU info: `%s`" % (e, cpu_info))
 
-    if '0xd03' == cpu_part:
-        return 'cortex-a53' + arch_info
-    elif '0xd08' == cpu_part:
+    if '0xd08' == cpu_part:
         return 'cortex-a72' + arch_info
     elif "0xd0b" == cpu_part:
         return "cortex-a76" + arch_info
@@ -62,10 +60,8 @@ def _pv_platform() -> Tuple[str, str]:
 _PV_SYSTEM, _PV_MACHINE = _pv_platform()
 
 _RASPBERRY_PI_MACHINES = {
-    "cortex-a53",
     "cortex-a72",
     "cortex-a76",
-    "cortex-a53-aarch64",
     "cortex-a72-aarch64",
     "cortex-a76-aarch64"
 }
diff --git a/demo/c/README.md b/demo/c/README.md
index 2aac3d2..7182151 100644
--- a/demo/c/README.md
+++ b/demo/c/README.md
@@ -3,7 +3,7 @@
 ## Compatibility
 
 - C99-compatible compiler
-- Runs on Linux (x86_64), macOS (arm64, x86_64), Windows (x86_64), and Raspberry Pi (5, 4, and 3).
+- Runs on Linux (x86_64), macOS (arm64, x86_64), Windows (x86_64), and Raspberry Pi (5 and 4).
 
 ## Requirements
 
@@ -108,8 +108,6 @@ where `${LIBRARY_PATH}` is the path to the Picovoice library file corresponding
 | Raspberry Pi 5 (64-bit) | lib/raspberry-pi/cortex-a76-aarch64/libpv_picollm.so |
 | Raspberry Pi 4          | lib/raspberry-pi/cortex-a76/libpv_picollm.so         |
 | Raspberry Pi 4 (64-bit) | lib/raspberry-pi/cortex-a76-aarch64/libpv_picollm.so |
-| Raspberry Pi 3          | lib/raspberry-pi/cortex-a53/libpv_picollm.so         |
-| Raspberry Pi 3 (64-bit) | lib/raspberry-pi/cortex-a53-aarch64/libpv_picollm.so |
 
 #### Windows
 
diff --git a/demo/c/picollm_demo_completion.c b/demo/c/picollm_demo_completion.c
index a30685a..7b1727d 100644
--- a/demo/c/picollm_demo_completion.c
+++ b/demo/c/picollm_demo_completion.c
@@ -255,18 +255,14 @@ int picovoice_main(int argc, char **argv) {
         exit(EXIT_FAILURE);
     }
 
-    const char *(*pv_status_to_string_func)(pv_status_t) =
-    load_symbol(dl_handle, "pv_status_to_string");
+    const char *(*pv_status_to_string_func)(pv_status_t) = load_symbol(dl_handle, "pv_status_to_string");
     if (!pv_status_to_string_func) {
         print_dl_error("failed to load `pv_status_to_string`");
         exit(EXIT_FAILURE);
     }
 
-    pv_status_t (*pv_picollm_init_func)(
-            const char *,
-            const char *,
-            const char *,
-            pv_picollm_t **) = load_symbol(dl_handle, "pv_picollm_init");
+    pv_status_t (*pv_picollm_init_func)(const char *, const char *, const char *, pv_picollm_t **) = 
+        load_symbol(dl_handle, "pv_picollm_init");
     if (!pv_picollm_init_func) {
         print_dl_error("failed to load `pv_picollm_init`");
         exit(EXIT_FAILURE);
diff --git a/demo/c/test/test_util.py b/demo/c/test/test_util.py
index cbfcc1a..7c960be 100644
--- a/demo/c/test/test_util.py
+++ b/demo/c/test/test_util.py
@@ -36,9 +36,7 @@ def _pv_linux_machine() -> str:
     except Exception as e:
         raise RuntimeError("Failed to identify the CPU with `%s`\nCPU info: `%s`" % (e, cpu_info))
 
-    if '0xd03' == cpu_part:
-        return 'cortex-a53' + arch_info
-    elif '0xd08' == cpu_part:
+    if '0xd08' == cpu_part:
         return 'cortex-a72' + arch_info
     elif "0xd0b" == cpu_part:
         return "cortex-a76" + arch_info
@@ -62,10 +60,8 @@ def _pv_platform() -> Tuple[str, str]:
 _PV_SYSTEM, _PV_MACHINE = _pv_platform()
 
 _RASPBERRY_PI_MACHINES = {
-    "cortex-a53",
     "cortex-a72",
     "cortex-a76",
-    "cortex-a53-aarch64",
     "cortex-a72-aarch64",
     "cortex-a76-aarch64"
 }
diff --git a/lib/raspberry-pi/cortex-a53-aarch64/libpv_picollm.so b/lib/raspberry-pi/cortex-a53-aarch64/libpv_picollm.so
deleted file mode 100755
index 3673e34..0000000
Binary files a/lib/raspberry-pi/cortex-a53-aarch64/libpv_picollm.so and /dev/null differ
diff --git a/lib/raspberry-pi/cortex-a53/libpv_picollm.so b/lib/raspberry-pi/cortex-a53/libpv_picollm.so
deleted file mode 100755
index 64bbc57..0000000
Binary files a/lib/raspberry-pi/cortex-a53/libpv_picollm.so and /dev/null differ