diff --git a/src/vxworks/aarch64.rs b/src/vxworks/aarch64.rs
index 577c8bef16b721c0da23b622e026f66a09988d15..4032488b6c0d5b1128fad52fabe5faaf80add3c4 100644
--- a/src/vxworks/aarch64.rs
+++ b/src/vxworks/aarch64.rs
@@ -1,3 +1,4 @@
 pub type c_char = u8;
+pub type wchar_t = u32;
 pub type c_long = i64;
 pub type c_ulong = u64;
diff --git a/src/vxworks/arm.rs b/src/vxworks/arm.rs
index cfdce825a0b86c4f3243bb7efcc4183574a45810..55240068aa08eb7992d9adc49739f44679207b8b 100644
--- a/src/vxworks/arm.rs
+++ b/src/vxworks/arm.rs
@@ -1,3 +1,4 @@
 pub type c_char = u8;
+pub type wchar_t = u32;
 pub type c_long = i32;
 pub type c_ulong = u32;
diff --git a/src/vxworks/armv7.rs b/src/vxworks/armv7.rs
deleted file mode 100644
index 9b0b338b91e5b52050c6d0edab5b3d5ea0263037..0000000000000000000000000000000000000000
--- a/src/vxworks/armv7.rs
+++ /dev/null
@@ -1,2 +0,0 @@
-pub type c_long = i32;
-pub type c_ulong = u32;
diff --git a/src/vxworks/powerpc.rs b/src/vxworks/powerpc.rs
index cfdce825a0b86c4f3243bb7efcc4183574a45810..55240068aa08eb7992d9adc49739f44679207b8b 100644
--- a/src/vxworks/powerpc.rs
+++ b/src/vxworks/powerpc.rs
@@ -1,3 +1,4 @@
 pub type c_char = u8;
+pub type wchar_t = u32;
 pub type c_long = i32;
 pub type c_ulong = u32;
diff --git a/src/vxworks/powerpc64.rs b/src/vxworks/powerpc64.rs
index 577c8bef16b721c0da23b622e026f66a09988d15..4032488b6c0d5b1128fad52fabe5faaf80add3c4 100644
--- a/src/vxworks/powerpc64.rs
+++ b/src/vxworks/powerpc64.rs
@@ -1,3 +1,4 @@
 pub type c_char = u8;
+pub type wchar_t = u32;
 pub type c_long = i64;
 pub type c_ulong = u64;
diff --git a/src/vxworks/x86.rs b/src/vxworks/x86.rs
index 81ba14588b146b0bdb19452d82611adba53062aa..e617bb83c6ce342761d36dade9d591486f264521 100644
--- a/src/vxworks/x86.rs
+++ b/src/vxworks/x86.rs
@@ -1,3 +1,4 @@
 pub type c_char = i8;
+pub type wchar_t = i32;
 pub type c_long = i32;
 pub type c_ulong = u32;
diff --git a/src/vxworks/x86_64.rs b/src/vxworks/x86_64.rs
index 27b94126688fbb59c5184c9c098a28a248fb6a3a..5e95ea2567ddfe80fd88feb2aaecf70697f06d99 100644
--- a/src/vxworks/x86_64.rs
+++ b/src/vxworks/x86_64.rs
@@ -1,3 +1,4 @@
+pub type c_char = i8;
+pub type wchar_t = i32;
 pub type c_long = i64;
 pub type c_ulong = u64;
-pub type c_char = i8;