clang fmt
diff --git a/src/core/lib/support/arena.h b/src/core/lib/support/arena.h
index 9984c53..cfe973a 100644
--- a/src/core/lib/support/arena.h
+++ b/src/core/lib/support/arena.h
@@ -27,8 +27,6 @@
 
 #include <stddef.h>
 
-
-
 typedef struct gpr_arena gpr_arena;
 
 // Create an arena, with \a initial_size bytes in the first allocated buffer
@@ -38,6 +36,4 @@
 // Destroy an arena, returning the total number of bytes allocated
 size_t gpr_arena_destroy(gpr_arena* arena);
 
-
-
 #endif /* GRPC_CORE_LIB_SUPPORT_ARENA_H */
diff --git a/src/core/lib/support/env.h b/src/core/lib/support/env.h
index fe51b70..2452fd3 100644
--- a/src/core/lib/support/env.h
+++ b/src/core/lib/support/env.h
@@ -21,8 +21,6 @@
 
 #include <stdio.h>
 
-
-
 /* Env utility functions */
 
 /* Gets the environment variable value with the specified name.
@@ -40,6 +38,4 @@
    level of logging. So DO NOT USE THIS. */
 const char* gpr_getenv_silent(const char* name, char** dst);
 
-
-
 #endif /* GRPC_CORE_LIB_SUPPORT_ENV_H */
diff --git a/src/core/lib/support/log_android.cc b/src/core/lib/support/log_android.cc
index 648a016..0d3ac0f 100644
--- a/src/core/lib/support/log_android.cc
+++ b/src/core/lib/support/log_android.cc
@@ -40,7 +40,7 @@
 }
 
 void gpr_log(const char* file, int line, gpr_log_severity severity,
-                        const char* format, ...) {
+             const char* format, ...) {
   char* message = NULL;
   va_list args;
   va_start(args, format);
diff --git a/src/core/lib/support/mpscq.h b/src/core/lib/support/mpscq.h
index 743a62b..648ead1 100644
--- a/src/core/lib/support/mpscq.h
+++ b/src/core/lib/support/mpscq.h
@@ -24,8 +24,6 @@
 #include <stdbool.h>
 #include <stddef.h>
 
-
-
 // Multiple-producer single-consumer lock free queue, based upon the
 // implementation from Dmitry Vyukov here:
 // http://www.1024cores.net/home/lock-free-algorithms/queues/intrusive-mpsc-node-based-queue
@@ -83,5 +81,4 @@
 // calling this function
 gpr_mpscq_node* gpr_locked_mpscq_pop(gpr_locked_mpscq* q);
 
-
 #endif /* GRPC_CORE_LIB_SUPPORT_MPSCQ_H */
diff --git a/src/core/lib/support/murmur_hash.h b/src/core/lib/support/murmur_hash.h
index c28e58a..422770f 100644
--- a/src/core/lib/support/murmur_hash.h
+++ b/src/core/lib/support/murmur_hash.h
@@ -23,11 +23,7 @@
 
 #include <stddef.h>
 
-
-
 /* compute the hash of key (length len) */
 uint32_t gpr_murmur_hash3(const void* key, size_t len, uint32_t seed);
 
-
-
 #endif /* GRPC_CORE_LIB_SUPPORT_MURMUR_HASH_H */
diff --git a/src/core/lib/support/stack_lockfree.h b/src/core/lib/support/stack_lockfree.h
index ebefc75..75baf4f 100644
--- a/src/core/lib/support/stack_lockfree.h
+++ b/src/core/lib/support/stack_lockfree.h
@@ -21,8 +21,6 @@
 
 #include <stddef.h>
 
-
-
 typedef struct gpr_stack_lockfree gpr_stack_lockfree;
 
 /* This stack must specify the maximum number of entries to track.
@@ -37,6 +35,4 @@
 /* Returns -1 on empty or the actual entry number */
 int gpr_stack_lockfree_pop(gpr_stack_lockfree* stack);
 
-
-
 #endif /* GRPC_CORE_LIB_SUPPORT_STACK_LOCKFREE_H */
diff --git a/src/core/lib/support/string.h b/src/core/lib/support/string.h
index 8f95f89..dd37f0b 100644
--- a/src/core/lib/support/string.h
+++ b/src/core/lib/support/string.h
@@ -24,8 +24,6 @@
 
 #include <grpc/support/port_platform.h>
 
-
-
 /* String utility functions */
 
 /* Flags for gpr_dump function. */
@@ -108,5 +106,4 @@
 /** Return true if lower(s) equals "true", "yes" or "1", otherwise false. */
 bool gpr_is_true(const char* s);
 
-
 #endif /* GRPC_CORE_LIB_SUPPORT_STRING_H */
diff --git a/src/core/lib/support/string_windows.h b/src/core/lib/support/string_windows.h
index 18932e2..7c7f31e 100644
--- a/src/core/lib/support/string_windows.h
+++ b/src/core/lib/support/string_windows.h
@@ -21,8 +21,6 @@
 
 #include <grpc/support/port_platform.h>
 
-
-
 #ifdef GPR_WINDOWS
 
 /* These allocate new strings using gpr_malloc to convert from and to utf-8. */
@@ -31,6 +29,4 @@
 
 #endif /* GPR_WINDOWS */
 
-
-
 #endif /* GRPC_CORE_LIB_SUPPORT_STRING_WINDOWS_H */
diff --git a/src/core/lib/support/time_precise.h b/src/core/lib/support/time_precise.h
index 650df6c..35cd154 100644
--- a/src/core/lib/support/time_precise.h
+++ b/src/core/lib/support/time_precise.h
@@ -21,11 +21,7 @@
 
 #include <grpc/support/time.h>
 
-
-
 void gpr_precise_clock_init(void);
 void gpr_precise_clock_now(gpr_timespec* clk);
 
-
-
 #endif /* GRPC_CORE_LIB_SUPPORT_TIME_PRECISE_H */
diff --git a/src/core/lib/support/tmpfile.h b/src/core/lib/support/tmpfile.h
index e28f4cb..c5ceda8 100644
--- a/src/core/lib/support/tmpfile.h
+++ b/src/core/lib/support/tmpfile.h
@@ -21,14 +21,10 @@
 
 #include <stdio.h>
 
-
-
 /* Creates a temporary file from a prefix.
    If tmp_filename is not NULL, *tmp_filename is assigned the name of the
    created file and it is the responsibility of the caller to gpr_free it
    unless an error occurs in which case it will be set to NULL. */
 FILE* gpr_tmpfile(const char* prefix, char** tmp_filename);
 
-
-
 #endif /* GRPC_CORE_LIB_SUPPORT_TMPFILE_H */