diff --git a/cheevos/cheevos.h b/cheevos/cheevos.h
index 2922befdc7..0d7ddfb0cd 100644
--- a/cheevos/cheevos.h
+++ b/cheevos/cheevos.h
@@ -37,7 +37,7 @@ bool rcheevos_unload(void);
 void rcheevos_test(void);
 
 void rcheevos_reset_game(bool widgets_ready);
-void rcheevos_refresh_memory();
+void rcheevos_refresh_memory(void);
 
 void rcheevos_pause_hardcore(void);
 void rcheevos_hardcore_enabled_changed(void);
diff --git a/deps/7zip/7zCrc.c b/deps/7zip/7zCrc.c
index 55e4679b70..2963e6854e 100644
--- a/deps/7zip/7zCrc.c
+++ b/deps/7zip/7zCrc.c
@@ -53,7 +53,7 @@ uint32_t MY_FAST_CALL CrcUpdateT1(uint32_t v, const void *data, size_t size, con
   return v;
 }
 
-void MY_FAST_CALL CrcGenerateTable()
+void MY_FAST_CALL CrcGenerateTable(void)
 {
   uint32_t i;
   for (i = 0; i < 256; i++)
diff --git a/deps/dr/dr_flac.h b/deps/dr/dr_flac.h
index e6d05be5ca..2378804d0c 100644
--- a/deps/dr/dr_flac.h
+++ b/deps/dr/dr_flac.h
@@ -788,7 +788,7 @@ static void drflac__init_cpu_caps()
 
 
 /* Endian Management */
-static DRFLAC_INLINE drflac_bool32 drflac__is_little_endian()
+static DRFLAC_INLINE drflac_bool32 drflac__is_little_endian(void)
 {
 #if defined(DRFLAC_X86) || defined(DRFLAC_X64)
     return DRFLAC_TRUE;
@@ -1618,7 +1618,7 @@ static DRFLAC_INLINE drflac_uint32 drflac__clz_software(drflac_cache_t x)
 }
 
 #ifdef DRFLAC_IMPLEMENT_CLZ_LZCNT
-static DRFLAC_INLINE drflac_bool32 drflac__is_lzcnt_supported()
+static DRFLAC_INLINE drflac_bool32 drflac__is_lzcnt_supported(void)
 {
     /* If the compiler itself does not support the intrinsic then we'll need to return false. */
 #ifdef DRFLAC_HAS_LZCNT_INTRINSIC
diff --git a/deps/dr/dr_mp3.h b/deps/dr/dr_mp3.h
index 9b74cad353..61f0535d24 100644
--- a/deps/dr/dr_mp3.h
+++ b/deps/dr/dr_mp3.h
@@ -337,7 +337,7 @@ static INLINE __attribute__((always_inline)) void drmp3_cpuid(int CPUInfo[], con
 #endif
 }
 #endif
-static int drmp3_have_simd()
+static int drmp3_have_simd(void)
 {
 #ifdef DR_MP3_ONLY_SIMD
     return 1;
@@ -379,7 +379,7 @@ test_nosimd:
 #define DRMP3_VMUL_S(x, s)  vmulq_f32(x, vmovq_n_f32(s))
 #define DRMP3_VREV(x) vcombine_f32(vget_high_f32(vrev64q_f32(x)), vget_low_f32(vrev64q_f32(x)))
 typedef float32x4_t drmp3_f4;
-static int drmp3_have_simd()
+static int drmp3_have_simd(void)
 {   /* TODO: detect neon for !DR_MP3_ONLY_SIMD */
     return 1;
 }