diff --git a/src/core/mtu_discovery.c b/src/core/mtu_discovery.c
index a40c05c..8891efc 100644
--- a/src/core/mtu_discovery.c
+++ b/src/core/mtu_discovery.c
@@ -34,8 +34,8 @@ Abstract:
 #include "mtu_discovery.c.clog.h"
 #endif
 
-CXPLAT_STATIC_ASSERT(CXPLAT_MAX_MTU >= QUIC_DPLPMTUD_DEFAULT_MAX_MTU, L"Default max must not be more than max");
-CXPLAT_STATIC_ASSERT(QUIC_DPLPMTUD_MIN_MTU <= QUIC_DPLPMTUD_DEFAULT_MIN_MTU, L"Default min must not be less than min");
+CXPLAT_STATIC_ASSERT(CXPLAT_MAX_MTU >= QUIC_DPLPMTUD_DEFAULT_MAX_MTU, "Default max must not be more than max");
+CXPLAT_STATIC_ASSERT(QUIC_DPLPMTUD_MIN_MTU <= QUIC_DPLPMTUD_DEFAULT_MIN_MTU, "Default min must not be less than min");
 
 _IRQL_requires_max_(PASSIVE_LEVEL)
 static
diff --git a/src/core/packet_builder.h b/src/core/packet_builder.h
index 97d6079..912ce89 100644
--- a/src/core/packet_builder.h
+++ b/src/core/packet_builder.h
@@ -158,7 +158,7 @@ typedef struct QUIC_PACKET_BUILDER {
 
 CXPLAT_STATIC_ASSERT(
     sizeof(QUIC_PACKET_BUILDER) < 1024,
-    L"Packet builder should be small enough to fit on the stack.");
+    "Packet builder should be small enough to fit on the stack.");
 
 //
 // Initializes the packet builder for general use.
diff --git a/src/core/quicdef.h b/src/core/quicdef.h
index 219ef33..07956b5 100644
--- a/src/core/quicdef.h
+++ b/src/core/quicdef.h
@@ -240,10 +240,10 @@ typedef struct QUIC_RX_PACKET QUIC_RX_PACKET;
 #define QUIC_MAX_RANGE_ACK_PACKETS              0x800       // 2048
 #define QUIC_MAX_RANGE_DECODE_ACKS              0x1000      // 4096
 
-CXPLAT_STATIC_ASSERT(IS_POWER_OF_TWO(QUIC_MAX_RANGE_ALLOC_SIZE), L"Must be power of two");
-CXPLAT_STATIC_ASSERT(IS_POWER_OF_TWO(QUIC_MAX_RANGE_DUPLICATE_PACKETS), L"Must be power of two");
-CXPLAT_STATIC_ASSERT(IS_POWER_OF_TWO(QUIC_MAX_RANGE_ACK_PACKETS), L"Must be power of two");
-CXPLAT_STATIC_ASSERT(IS_POWER_OF_TWO(QUIC_MAX_RANGE_DECODE_ACKS), L"Must be power of two");
+CXPLAT_STATIC_ASSERT(IS_POWER_OF_TWO(QUIC_MAX_RANGE_ALLOC_SIZE), "Must be power of two");
+CXPLAT_STATIC_ASSERT(IS_POWER_OF_TWO(QUIC_MAX_RANGE_DUPLICATE_PACKETS), "Must be power of two");
+CXPLAT_STATIC_ASSERT(IS_POWER_OF_TWO(QUIC_MAX_RANGE_ACK_PACKETS), "Must be power of two");
+CXPLAT_STATIC_ASSERT(IS_POWER_OF_TWO(QUIC_MAX_RANGE_DECODE_ACKS), "Must be power of two");
 
 //
 // Minimum MTU allowed to be configured. Must be able to fit a
@@ -300,7 +300,7 @@ CXPLAT_STATIC_ASSERT(QUIC_INITIAL_PACKET_LENGTH >= QUIC_MIN_INITIAL_PACKET_LENGT
 
 CXPLAT_STATIC_ASSERT(
     QUIC_DEFAULT_DISCONNECT_TIMEOUT <= QUIC_MAX_DISCONNECT_TIMEOUT,
-    L"Default disconnect timeout should always be less than max");
+    "Default disconnect timeout should always be less than max");
 
 //
 // The default connection idle timeout (in milliseconds).
diff --git a/src/core/range.h b/src/core/range.h
index b6d2cc0..ca6d3cd 100644
--- a/src/core/range.h
+++ b/src/core/range.h
@@ -21,7 +21,7 @@ typedef struct QUIC_SUBRANGE {
 
 } QUIC_SUBRANGE;
 
-CXPLAT_STATIC_ASSERT(IS_POWER_OF_TWO(sizeof(QUIC_SUBRANGE)), L"Must be power of two");
+CXPLAT_STATIC_ASSERT(IS_POWER_OF_TWO(sizeof(QUIC_SUBRANGE)), "Must be power of two");
 
 typedef struct QUIC_RANGE_SEARCH_KEY {