diff --git a/.clangd b/.clangd
index aed8f88e8..893158290 100644
--- a/.clangd
+++ b/.clangd
@@ -1,7 +1,6 @@
 # https://clangd.llvm.org/config
 CompileFlags:
   Add: [
-    "-fdeclspec",
     "-Wno-c++11-compat-deprecated-writable-strings",
     "-Wno-undefined-inline",
     "-Wno-multichar",
diff --git a/include/global.h b/include/global.h
index 42687f340..a9b9932b3 100644
--- a/include/global.h
+++ b/include/global.h
@@ -44,7 +44,6 @@
 extern int __cntlzw(uint);
 extern int __rlwimi(int, int, int, int, int);
 extern void __dcbz(void*, int);
-extern void __sync();
 
 #define VERSION_JPN 0
 #define VERSION_USA 1
diff --git a/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/e_atan2.c b/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/e_atan2.c
index 81d812560..5a7863be0 100644
--- a/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/e_atan2.c
+++ b/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/e_atan2.c
@@ -40,7 +40,6 @@
  */
 
 #include "fdlibm.h"
-#include "math.h"
 
 #ifdef __STDC__
 static const double
@@ -141,4 +140,4 @@ double __ieee754_atan2(y, x) double y, x;
 	default:                     /* case 3 */
 		return (z - pi_lo) - pi; /* atan(-,-) */
 	}
-}
+}
\ No newline at end of file
diff --git a/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/s_atan.c b/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/s_atan.c
index e771307b9..0f88ef2fc 100644
--- a/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/s_atan.c
+++ b/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common_Embedded/Math/Double_precision/s_atan.c
@@ -33,7 +33,6 @@
  */
 
 #include "fdlibm.h"
-#include "math.h"
 
 #ifdef __STDC__
 static const double atanhi[] = {
@@ -141,4 +140,4 @@ double atan(x) double x;
 		z = atanhi[id] - ((x * (s1 + s2) - atanlo[id]) - x);
 		return (hx < 0) ? -z : z;
 	}
-}
+}
\ No newline at end of file
diff --git a/src/dolphin/os/OSCache.c b/src/dolphin/os/OSCache.c
index 99a41efb2..d39e8b143 100644
--- a/src/dolphin/os/OSCache.c
+++ b/src/dolphin/os/OSCache.c
@@ -5,7 +5,6 @@
 
 static ASM void DCEnable(void) {
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     sync
@@ -14,13 +13,11 @@ static ASM void DCEnable(void) {
     mtspr 0x3F0, r3
 
     blr
-#endif
     // clang-format on
 }
 
 ASM void DCInvalidateRange(register void* start, register u32 nBytes) {
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     cmplwi nBytes, 0
@@ -38,13 +35,11 @@ do_invalidate:
     bdnz do_invalidate
 
     blr
-#endif
     // clang-format on
 }
 
 ASM void DCFlushRange(register void* start, register u32 nBytes) {
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     cmplwi nBytes, 0
@@ -63,13 +58,11 @@ do_flush:
     sc
 
     blr
-#endif
     // clang-format on
 }
 
 ASM void DCStoreRange(register void* start, register u32 nBytes) {
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     cmplwi nBytes, 0
@@ -88,13 +81,11 @@ do_store:
     sc
 
     blr
-#endif
     // clang-format on
 }
 
 ASM void DCFlushRangeNoSync(register void* start, register u32 nBytes) {
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     cmplwi nBytes, 0
@@ -112,13 +103,11 @@ do_flush:
     bdnz do_flush
 
     blr
-#endif
     // clang-format on
 }
 
 ASM void DCStoreRangeNoSync(register void* start, register u32 nBytes) {
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     cmplwi nBytes, 0
@@ -136,13 +125,11 @@ do_store:
     bdnz do_store
 
     blr
-#endif
     // clang-format on
 }
 
 ASM void DCZeroRange(register void* start, register u32 nBytes) {
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     cmplwi nBytes, 0
@@ -160,13 +147,11 @@ do_zero:
     bdnz do_zero
 
     blr
-#endif
     // clang-format on
 }
 
 ASM void ICInvalidateRange(register void* start, register u32 nBytes) {
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     cmplwi nBytes, 0
@@ -187,13 +172,11 @@ do_invalidate:
     isync
 
     blr
-#endif
     // clang-format on
 }
 
 ASM void ICFlashInvalidate(void) {
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     mfspr r3, 0x3F0
@@ -201,13 +184,11 @@ ASM void ICFlashInvalidate(void) {
     mtspr 0x3F0, r3
 
     blr
-#endif
     // clang-format on
 }
 
 static ASM void ICEnable(void) {
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     isync
@@ -216,13 +197,11 @@ static ASM void ICEnable(void) {
     mtspr 0x3F0, r3
 
     blr
-#endif
     // clang-format on
 }
 
 ASM void __LCEnable(void) {
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     mfmsr r5
@@ -286,7 +265,6 @@ do_load:
     nop
 
     blr
-#endif
     // clang-format on
 }
 
@@ -298,7 +276,6 @@ void LCEnable(void) {
 
 ASM void LCDisable(void) {
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     lis r3, 0xE000
@@ -314,14 +291,12 @@ do_invalidate:
     mtspr 0x398, r4
 
     blr
-#endif
     // clang-format on
 }
 
 static ASM void LCStoreBlocks(register void* destAddr, register void* srcAddr,
                               register u32 blockNum){
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     rlwinm r6, blockNum, 0x1E, 0x1B, 0x1F
@@ -334,11 +309,8 @@ static ASM void LCStoreBlocks(register void* destAddr, register void* srcAddr,
     mtspr 0x39B, r6
 
     blr
-#endif
     // clang-format on
-}
-
-/* 8033B838-8033B8E4 336178 00AC+00 0/0 0/0 3/3 .text            LCStoreData */
+} /* 8033B838-8033B8E4 336178 00AC+00 0/0 0/0 3/3 .text            LCStoreData */
 u32 LCStoreData(void* destAddr, void* srcAddr, u32 nBytes) {
     u32 blocks = (nBytes + 31) / 32;
     u32 ret = (blocks + 127) / 128;
@@ -361,7 +333,6 @@ u32 LCStoreData(void* destAddr, void* srcAddr, u32 nBytes) {
 
 ASM void LCQueueWait(register u32 len) {
     // clang-format off
-#ifdef __MWERKS__
     nofralloc
 
     addi len, len, 1
@@ -372,7 +343,6 @@ LCQueueWait_04:
     bge cr2, LCQueueWait_04
 
     blr
-#endif
     // clang-format on
 }
 
diff --git a/src/dolphin/os/OSLink.c b/src/dolphin/os/OSLink.c
index 86480fa86..6acb67921 100644
--- a/src/dolphin/os/OSLink.c
+++ b/src/dolphin/os/OSLink.c
@@ -1,5 +1,4 @@
 #include "dolphin/os/OS.h"
-#include <string.h>
 
 #define SHN_UNDEF 0
 #define SHN_LORESERVE 0xff00
diff --git a/src/dolphin/os/__start.c b/src/dolphin/os/__start.c
index b1187aa53..b029387c3 100644
--- a/src/dolphin/os/__start.c
+++ b/src/dolphin/os/__start.c
@@ -5,7 +5,7 @@
 #include "dolphin/os/__start.h"
 
 void DBInit();
-void __init_registers(void);
+static void __init_registers(void);
 
 SECTION_INIT void __check_pad3(void) {
     if ((*(u16*)0x800030E4 & 0xEEF) == 0xEEF) {