diff --git a/cmake/app.cmake b/cmake/app.cmake
index 3a3cb37015..cd7ee4e9b4 100644
--- a/cmake/app.cmake
+++ b/cmake/app.cmake
@@ -69,13 +69,6 @@ elseif(MBED_TOOLCHAIN STREQUAL "ARM")
         COMMAND ${ELF2BIN} ${MBED_STUDIO_ARM_COMPILER} --i32combined  -o $<TARGET_FILE:app>.hex $<TARGET_FILE:app>
         COMMAND ${CMAKE_COMMAND} -E echo "-- built: $<TARGET_FILE:app>.hex"
     )
-elseif(MBED_TOOLCHAIN STREQUAL "IAR")
-    set(CMAKE_POST_BUILD_COMMAND
-        COMMAND ${ELF2BIN} --bin $<TARGET_FILE:app> $<TARGET_FILE:app>.bin
-        COMMAND ${CMAKE_COMMAND} -E echo "-- built: $<TARGET_FILE:app>.bin"
-        COMMAND ${ELF2BIN} --ihex $<TARGET_FILE:app> $<TARGET_FILE:app>.hex
-        COMMAND ${CMAKE_COMMAND} -E echo "-- built: $<TARGET_FILE:app>.hex"
-    )
 endif()
 
 
diff --git a/cmake/profiles/debug.cmake b/cmake/profiles/debug.cmake
index 735702b959..dd0a4792b1 100644
--- a/cmake/profiles/debug.cmake
+++ b/cmake/profiles/debug.cmake
@@ -103,21 +103,6 @@ set(DEBUG_DEFINITIONS ${DEBUG_DEFINITIONS}
     -D__MICROLIB
 )
 
-elseif(MBED_TOOLCHAIN STREQUAL "IAR")
-
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} \
-    --vla \
-    --diag_suppress=Pe546 \
-")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} \
-    --guard_calls \
-    --no_static_destruction \
-")
-set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} \
-    --skip_dynamic_initialization \
-    --threaded_lib \
-")
-
 endif()
 
 add_definitions(${DEBUG_DEFINITIONS})
diff --git a/cmake/profiles/develop.cmake b/cmake/profiles/develop.cmake
index 72ab6673ab..8bb174865b 100644
--- a/cmake/profiles/develop.cmake
+++ b/cmake/profiles/develop.cmake
@@ -54,22 +54,6 @@ set(DEVELOP_DEFINITIONS ${DEVELOP_DEFINITIONS}
     -D__ASSERT_MSG
 )
 
-elseif(MBED_TOOLCHAIN STREQUAL "IAR")
-
-set(CMAKE_C_FLAGS ${CMAKE_C_FLAGS}
-    --vla
-    --diag_suppress=Pe546
-)
-set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}
-    --guard_calls
-    --no_static_destruction
-)
-set(CMAKE_CXX_LINK_FLAGS ${CMAKE_CXX_LINK_FLAGS}
-    --skip_dynamic_initialization
-    --threaded_lib
-    --inline
-)
-
 endif()
 
 add_definitions(${DEVELOP_DEFINITIONS})
diff --git a/cmake/profiles/release.cmake b/cmake/profiles/release.cmake
index 9b774f682b..11a61901fe 100644
--- a/cmake/profiles/release.cmake
+++ b/cmake/profiles/release.cmake
@@ -100,22 +100,6 @@ set(RELEASE_DEFINITIONS ${RELEASE_DEFINITIONS}
     -D__ASSERT_MSG
 )
 
-elseif(MBED_TOOLCHAIN STREQUAL "IAR")
-
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} \
-    --vla \
-    --diag_suppress=Pe546 \
-")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} \
-    --guard_calls \
-    --no_static_destruction \
-")
-set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} \
-    --skip_dynamic_initialization \
-    --threaded_lib \
-    --inline \
-")
-
 endif()
 
 add_definitions(${RELEASE_DEFINITIONS})
diff --git a/cmake/toolchains/IAR.cmake b/cmake/toolchains/IAR.cmake
deleted file mode 100644
index 1316c45f2d..0000000000
--- a/cmake/toolchains/IAR.cmake
+++ /dev/null
@@ -1,22 +0,0 @@
-# Copyright (c) 2020 ARM Limited. All rights reserved.
-# SPDX-License-Identifier: Apache-2.0
-
-set(COMMON_FLAGS " \
-    --no_wrap_diagnostics \
-    -e \
-    --diag_suppress=Pa050,Pa084,Pa093,Pa082,Pe540 \
-    -Ohz \
-    --enable_restrict \
-")
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} \
-    ${COMMON_FLAGS} \
-")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} \
-    ${COMMON_FLAGS} \
-")
-set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} \
-    ${COMMON_FLAGS} \
-")
-set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} \
-    ${COMMON_FLAGS} \
-")